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1. Assessing main process mechanism and rates of sulfate reduction by granular biomass fed with glycerol under sulfidogenic conditions

Author:
X. Zhou; E. Fernández-Palacios; A.D. Dorado; X. Gamisans; D. Gabriel
Source:
Chemosphere 2022 v.286 pp. 131649
ISSN:
0045-6535
Subject:
Desulfobulbus; Desulfovibrio; Dysgonomonas; Propionispora; acetates; biomass; butanol; carbon; ethanol; fermentation; fermented foods; formates; glycerol; molecular weight; oxidation; propionic acid; sludge; sulfates; sulfides; sulfur; upflow anaerobic sludge blanket reactor
Abstract:
... Sulfate-reducing bioreactors for sulfide production are the initial stage of processes targeting elemental sulfur recovery from sulfate-rich effluents. In this work, the principal reactions involved in glycerol fermentation and sulfate reduction using glycerol and its fermentation products as electron donors were assessed together with their specific consumption/production rates. A battery of batc ...
DOI:
10.1016/j.chemosphere.2021.131649

2. Coupling of desorption of phenanthrene from marine sediments and biodegradation of the sediment washing solution in a novel biochar immobilized–cell reactor

Author:
Francesco Bianco; Marco Race; Stefano Papirio; Patryk Oleszczuk; Giovanni Esposito
Source:
Environmental pollution 2022 v.308 pp. 119621
ISSN:
0269-7491
Subject:
Brevundimonas; Chryseobacterium; Dysgonomonas; Nubsella; biochar; biodegradation; biological treatment; bioreactors; desorption; immobilized cells; liquids; phenanthrenes; pollution; surfactants
Abstract:
... The recurrent dredging of marine sediments needs the use of ex–situ technologies such as sediment washing (SW) to effectively remove polycyclic aromatic hydrocarbons. Notwithstanding, the large volumes of generated spent SW effluents require adequate treatment by employing highly–efficient, inexpensive and environmentally–friendly solutions. This study proposes the phenanthrene (PHE) desorption fr ...
DOI:
10.1016/j.envpol.2022.119621

3. Dietary arachidonic acid affects the innate immunity, antioxidant capacities, intestinal health and microbiota in Chinese mitten crab (Eriocheir sinensis)

Author:
Shuyan Miao; Wenlong Wan; Juntao Hu; Enhui Chang; Zihan Zhou; Yuchen Zhou; Longsheng Sun
Source:
Aquaculture 2022 v.548 pp. 737635
ISSN:
0044-8486
Subject:
Citrobacter; Dysgonomonas; Eriocheir sinensis; Shewanella; Vibrio; antioxidant activity; antioxidants; arachidonic acid; body weight; crustin; dietary supplements; gene expression; immune response; inflammation; intestinal microorganisms; intestines; lipid metabolism; lysozyme; phagocytosis; satiety
Abstract:
... Arachidonic acid (ARA) involves in lipid metabolism, biological processes and immune response of animals. The present study aimed to evaluate the effects of ARA on the antioxidant capacity, immune response and intestinal health of Eriocheir sinensis. A 84-day feeding experiment was conducted using six isonitrogenous and isoenergetic semi-purified diets containing 0.11% (control group, G1), 1.20% ( ...
DOI:
10.1016/j.aquaculture.2021.737635

4. Different plastics ingestion preferences and efficiencies of superworm (Zophobas atratus Fab.) and yellow mealworm (Tenebrio molitor Linn.) associated with distinct gut microbiome changes

Author:
Yumeng Wang; Liping Luo; Xin Li; Jiaming Wang; Hongxuan Wang; Chen Chen; Hongqin Guo; Tianfang Han; Aifen Zhou; Xin Zhao
Source:
Science of the total environment 2022 v.837 pp. 155719
ISSN:
0048-9697
Subject:
Dysgonomonas; Enterococcus; Hafnia; Klebsiella; Sphingobacterium; Tenebrio molitor; Zophobas atratus; biodegradation; bran; diet; environment; feedstocks; foams; frass; intestinal microorganisms; microbiome; oxidation; polystyrenes; polyurethanes
Abstract:
... Larvae of superworms (Zophobas atratus Fab.) and yellow mealworms (Tenebrio molitor Linn.) can survive on sole plastic diets. However, no side-by-side comparison of plastics degradation by both species is available yet. Here, superworms and yellow mealworms were fed with polystyrene (PS) or polyurethane (PU) foam plastics as sole diets for 35 days with bran as control. Superworms survived 100% on ...
DOI:
10.1016/j.scitotenv.2022.155719

5. Metagenomics study to compare the taxonomic composition and metabolism of a lignocellulolytic microbial consortium cultured in different carbon conditions

Author:
Qinggeer Borjigin; Bizhou Zhang; Xiaofang Yu; Julin Gao; Xin Zhang; Jiawei Qu; Daling Ma; Shuping Hu; Shengcai Han
Source:
World journal of microbiology & biotechnology 2022 v.38 no.5 pp. 78
ISSN:
0959-3993
Subject:
Cellvibrio; Dysgonomonas; Pseudomonas; Sphingobacterium; agricultural wastes; amino acids; biodegradation; biotechnology; carbon; corn stover; lignocellulases; lignocellulose; metabolism; metagenomics; species diversity; straw; synergism; taxonomy
Abstract:
... A lignocellulolytic microbial consortium holds promise for the in situ biodegradation of crop straw and the comprehensive and effective utilization of agricultural waste. In this study, we applied metagenomics technology to comprehensively explore the metabolic functional potential and taxonomic diversity of the microbial consortia CS (cultured on corn stover) and FP (cultured on filter paper). An ...
DOI:
10.1007/s11274-022-03260-1

6. Microorganisms in spent water-miscible metalworking fluids as a resource of strains for their disposal

Author:
Sergey N. Elansky; Elena M. Chudinova; Alexander S. Elansky; Masamba O. Kah; Delgir A. Sandzhieva; Bayana A. Mukabenova; Alexey G. Dedov
Source:
Journal of cleaner production 2022 v.350 pp. 131438
ISSN:
0959-6526
Subject:
Achromobacter; Aeromonas hydrophila; Alcaligenes; Alternaria; Aquamicrobium; Aspergillus; Bacteroides; Bjerkandera; Brevundimonas; Cadophora; Candida; Caulobacter; Chryseobacterium; Cladosporium; Desulfovibrio; Didymella; Dysgonomonas; Fusarium solani; Malassezia; Ochrobactrum; Penicillium; Pithomyces; Proteus; Pseudomonas aeruginosa; Pseudomonas pseudoalcaligenes; Ralstonia; Saccharomyces; Shewanella putrefaciens; Sphingomonas; Stenotrophomonas maltophilia; Talaromyces; Wickerhamomyces; Yarrowia lipolytica; bacteria; biocides; biodegradation; durability; fungi; industry; metagenomics; species diversity; toxicity; xenobiotics
Abstract:
... Metalworking fluids (MWFs) are essential components for modern metalworking technologies. The volume of world consumption of diluted working solutions exceeds 20 million tons annually. Water miscible MWFs accounts to 90% of the global MWFs demand. Spent MWFs contain toxic xenobiotics and residues of biocides. They are hazardous to the environment and require complex processing and detoxification. ...
DOI:
10.1016/j.jclepro.2022.131438

7. Performance and bacterial community of bio-electrochemical system treating simulated domestic wastewater containing low concentration of cephalosporin antibiotics

Author:
Ruijie Guo; Xin Xu; Zhirong Sun; Xiang Hu
Source:
Environmental technology 2022 v.43 no.6 pp. 893-906
ISSN:
1479-487X
Subject:
Dysgonomonas; Luteococcus; Nakamurella; Ottowia; acclimation; ammonium nitrogen; bacterial communities; biofilm; cefdinir; cefixime; ceftazidime; ceftriaxone; community structure; electric field; environmental technology; municipal wastewater; species diversity
Abstract:
... This study investigated the effects of five cephalosporin antibiotics (ceftazidime, ceftriaxone, cefdinir, cefixime and cefepime) on performance and bacterial community structure in bio-electrochemical systems (BES) and sequencing batch biofilm reactor (SBBR). The results showed that the external electric field had no significant effect on the removal of COD and ammonia nitrogen in water. The remo ...
DOI:
10.1080/09593330.2020.1811390

8. Phenanthrene biodegradation in a fed–batch reactor treating a spent sediment washing solution: Techno–economic implications for the recovery of ethanol as extracting agent

Author:
Francesco Bianco; Marco Race; Stefano Papirio; Giovanni Esposito
Source:
Chemosphere 2022 v.286 pp. 131361
ISSN:
0045-6535
Subject:
Achromobacter; Dysgonomonas; Sphingobacterium; biodegradation; bioreactors; cost effectiveness; dissolved oxygen; ethanol; half life; kinetics; pH; phenanthrenes; sediments
Abstract:
... The continuous dredging of sediments contaminated by polycyclic aromatic hydrocarbons such as phenanthrene (PHE) has required the employment of high–efficiency technologies, including sediment washing (SW). However, the large amount of generated spent SW effluents requires the development of effective, eco–friendly and cost–saving approaches, which can tackle the waste formation in favor of the re ...
DOI:
10.1016/j.chemosphere.2021.131361

9. Shift and interaction of intestinal bacterial community in juvenile Chinese mitten crab Eriocheir sinensis upon astaxanthin feeding

Author:
Shuangshuang Gao; Mingshu Yang; Kaijian Xu; Xiaodong Jiang; Xugan Wu; Yongjie Wang
Source:
Aquaculture 2022 v.555 pp. 738203
ISSN:
0044-8486
Subject:
Dysgonomonas; Eriocheir sinensis; antioxidant activity; aquaculture; astaxanthin; bacterial communities; biochemical pathways; community structure; crabs; dietary supplements; disease resistance; genes; hemolymph; immunity; intestines; juveniles; probiotics; xenobiotics
Abstract:
... Intestinal bacterial communities of juvenile Chinese mitten crab Eriocheir sinensis are investigated for the effects of dietary supplementation with different amounts of micro-algal astaxanthin (0, 30, 60, 90, and 120 mg/kg dry diet) and for the correlation to crab hemolymph antioxidant capacity and immunity. Comprehensively analyzing of bacterial 16S rRNA gene amplicons showed that astaxanthin su ...
DOI:
10.1016/j.aquaculture.2022.738203

10. Taxonomic diversity and predictive metabolic functions of a heavy metal tolerant multiple azo dye degrading bacterial consortium from textile effluents

Author:
Roselin Neihsial; Ningombam Anjana Singha; Arvind Kumar Singh
Source:
International biodeterioration & biodegradation 2022 v.171 pp. 105421
ISSN:
0964-8305
Subject:
Acinetobacter; Citrobacter; Comamonas; Dysgonomonas; Erwinia; Trichococcus; azo dyes; biodegradation; decolorization; fabrics; genes; heavy metals; metagenomics; metal tolerance; mineralization; species diversity; xenobiotics
Abstract:
... Direct disposal of industrial dye effluents is a serious environmental menace. The bacterial population selected in response to dye contamination prominently participate in the dye detoxification process. We report multiple azo dye degradation activity of a bacterial consortium developed in the azo dye Congo Red (CR) supplemented medium. Degradation activity was most effective under static conditi ...
DOI:
10.1016/j.ibiod.2022.105421

11. Biodegradation of foam plastics by Zophobas atratus larvae (Coleoptera: Tenebrionidae) associated with changes of gut digestive enzymes activities and microbiome

Author:
Liping Luo; Yumeng Wang; Hongqin Guo; Yuhang Yang; Nan Qi; Xin Zhao; Shuhong Gao; Aifen Zhou
Source:
Chemosphere 2021 v.282 pp. 131006
ISSN:
0045-6535
Subject:
Citrobacter; Dysgonomonas; Enterococcus; Fourier transform infrared spectroscopy; Sphingobacterium; Zophobas atratus; biodegradation; bran; calorimeters; digestive enzymes; feedstocks; foams; frass; intestinal microorganisms; microbiome; oxidation; polyethylene; polystyrenes; polyurethanes; proteinases; starvation; thermal stability; thermogravimetry
Abstract:
... In order to uncover the plastic types that superworm Zophobas atratus can degrade and the underlying changes associated with plastics consumption, three types of plastics including polystyrene (PS), polyethylene (PE) and polyurethane (PU) foam were used as sole feedstock to feed the superworm larvae for 35 days with bran as control. Compared to the control, PS- or PU-fed larvae showed 100% surviva ...
DOI:
10.1016/j.chemosphere.2021.131006

12. Biohydrogen Production Amended with Nitrogen-Doped Biochar

Author:
Jishi Zhang; Mengchen Yang; Wenqian Zhao; Junchu Zhang; Lihua Zang
Source:
Energy & fuels 2021 v.35 no.2 pp. 1476-1487
ISSN:
1520-5029
Subject:
Clostridium butyricum; Dysgonomonas; biochar; community structure; corn cobs; electrical conductivity; electron transfer; energy; fermentation; glucose; hydrogen; hydrogen production; microbial colonization; microbial communities; surface area
Abstract:
... Conductive materials play a vital role in electron transfer during the hydrogen (H₂) fermentation process. In this work, a novel nitrogen-doped biochar (NDBC) was produced from corncob to improve biohydrogen production at 37 °C. Material analysis revealed that the nitrogen-rich biochar (BC) had a specific surface area of 831.13 m²/g, which was slightly lower than that of the corncob-derived BC (94 ...
DOI:
10.1021/acs.energyfuels.0c03405

13. Chironomus ramosus Larval Microbiome Composition Provides Evidence for the Presence of Detoxifying Enzymes

Author:
Rotem Sela; Sivan Laviad-Shitrit; Leena Thorat; Bimalendu B. Nath; Malka Halpern
Source:
Microorganisms 2021 v.9 no.8 pp. -
ISSN:
2076-2607
Subject:
Aeromonas; Chironomus; Chryseobacterium; Desulfovibrio; Dysgonomonas; Firmicutes; Fusobacteria; Thiothrix; Vibrio; bacterial communities; community structure; freshwater; laboratory rearing; larvae; metagenomics; microbiome; microorganisms; rivers; toxicity; ultraviolet radiation; India
Abstract:
... Chironomids (Diptera; Chironomidae) are aquatic insects that are abundant in freshwater. We aimed to study the endogenous microbiota composition of Chironomus ramosus larvae that were sampled from the Mutha River and a laboratory culture in India. Furthermore, we performed a metagenomic analysis of the larval microbiome, sampled from the Mutha River. Significant differences were found between the ...
DOI:
10.3390/microorganisms9081571

14. Copper and chromium exposure affect chironomid larval microbiota composition

Author:
Sivan Laviad-Shitrit; Yehonatan Sharaby; Rotem Sela; Leena Thorat; Bimalendu B. Nath; Malka Halpern
Source:
Science of the total environment 2021 v.771 pp. 145330
ISSN:
0048-9697
Subject:
Acinetobacter; Chironomidae; Delftia; Dysgonomonas; Enterococcus; Yersinia; chromium; copper; microorganisms; pollution; toxicity
Abstract:
... Chironomids are aquatic insects that are known to be pollution tolerant. We have recently demonstrated that endogenous chironomid microbiota protects its host from toxic metals. Following these findings, we hypothesized that under different environmental conditions, a different bacterial consortium will evolve. Our aim was to explore the change in chironomid larval microbiota composition triggered ...
DOI:
10.1016/j.scitotenv.2021.145330

15. Corpse decomposition increases the diversity and abundance of antibiotic resistance genes in different soil types in a fish model

Author:
Tianshu Feng; Wanghong Su; Jianxiao Zhu; Jiawei Yang; Yijie Wang; Rui Zhou; Qiaoling Yu; Huan Li
Source:
Environmental pollution 2021 v.286 pp. 117560
ISSN:
0269-7491
Subject:
Dysgonomonas; Escherichia; Myroides; Neisseria; aminoglycosides; antibiotic resistance; cadaver; fish; human health; microbial communities; microbiome; multiple drug resistance; nitrogen; pH; pollution; quantitative polymerase chain reaction; soil microorganisms; species diversity
Abstract:
... As a common natural phenomenon, corpse decomposition may lead to serious environmental pollution such as nitrogen pollution. However, less is known about antibiotic resistance genes (ARGs), an emerging contaminant, during corpse degradation. Here, ARGs and microbiome in three soil types (black, red and yellow soil) have been investigated between experimental and control groups based on next-genera ...
DOI:
10.1016/j.envpol.2021.117560

16. Development and application of aerobic, chemically defined media for Dysgonomonas

Author:
Charles M. Bridges; Daniel J. Gage
Source:
Anaerobe 2021 v.67 pp. 102302
ISSN:
1075-9964
Subject:
Culicidae; Dysgonomonas; Isoptera; Nematoda; aerobiosis; anaerobic conditions; blood; degradation; fruit flies; fuel production; immunology; lignocellulose; meat extracts; microbial fuel cells; occurrence; patients; pests; prevalence; sampling; symbiosis; tryptones; vector control; yeasts
Abstract:
... Members of Dysgonomonas are Gram-stain-negative, non-motile, facultatively anaerobic coccobacilli originally described in relation to their isolation from stool and wounds of human patients (CDC group DF-3). More recently, Dysgonomonas have been found to be widely distributed in terrestrial environments and are particularly enriched in insect systems. Their prevalence in xylophagous insects such a ...
DOI:
10.1016/j.anaerobe.2020.102302

17. High-rate mesophilic hydrogen production from food waste using hybrid immobilized microbiome

Author:
Ju-Hyeong Jung; Young-Bo Sim; Jong-Hyun Baik; Jong-Hun Park; Sang-Hyoun Kim
Source:
Bioresource technology 2021 v.320 pp. 124279
ISSN:
0960-8524
Subject:
Bifidobacterium; Clostridium; Dialister; Dysgonomonas; Olsenella; feedstocks; food waste; hydrogen production; metabolic flux analysis; microbiome; propionic acid; technology
Abstract:
... This study examined the feasibility of dark fermentative biohydrogen production from food waste using hybrid immobilization in mesophilic condition. Among four different organic loading rates (OLRs), the highest average hydrogen production rate (HPR) of 9.82 ± 0.30 L/L-d was found at an OLR of 74.7 g hexose/L-d, which was higher than reported values from particulate feedstock in mesophilic conditi ...
DOI:
10.1016/j.biortech.2020.124279

18. Innovative air-cathode bioelectrochemical sensor for monitoring of total volatile fatty acids during anaerobic digestion

Author:
Hao Sun; Mingyi Xu; Shubiao Wu; Renjie Dong; Irini Angelidaki; Yifeng Zhang
Source:
Chemosphere 2021 v.273 pp. 129660
ISSN:
0045-6535
Subject:
Chryseobacterium; Dysgonomonas; Geobacter; Hydrogenophaga; Pelobacter; anaerobic digestion; bicarbonates; biofilm; biosensors; electric potential difference; gas chromatography; genes; microbial fuel cells; microbiome
Abstract:
... Bioelectrochemical sensors have proven attractive as simple and low-cost methods with high potential for online monitoring of volatile fatty acids (VFA) in the anaerobic digestion (AD) process. Herein, an innovative dual-chamber air-cathode microbial fuel cell was developed as biosensor for VFA monitoring. The response of the biosensor was nonlinear and increased along with the concentration of VF ...
DOI:
10.1016/j.chemosphere.2021.129660

19. New Insights on the Zeugodacus cucurbitae (Coquillett) Bacteriome

Author:
Elias Asimakis; Panagiota Stathopoulou; Apostolis Sapounas; Kanjana Khaeso; Costas Batargias; Mahfuza Khan; George Tsiamis
Source:
Microorganisms 2021 v.9 no.3 pp. -
ISSN:
2076-2607
Subject:
Bactrocera; Citrobacter; Dysgonomonas; Gilliamella; Zeugodacus cucurbitae; bacterial communities; bacteriome; diet; domestication; ecosystems; geography; insects; sterile insect technique; transcriptomics; Bangladesh
Abstract:
... Various factors, including the insect host, diet, and surrounding ecosystem can shape the structure of the bacterial communities of insects. We have employed next generation, high-throughput sequencing of the 16S rRNA to characterize the bacteriome of wild Zeugodacus (Bactrocera) cucurbitae (Coquillett) flies from three regions of Bangladesh. The tested populations developed distinct bacterial com ...
DOI:
10.3390/microorganisms9030659

20. Pretreatment is an important method for increasing the conversion efficiency of rice straw by black soldier fly larvae based on the function of gut microorganisms

Author:
Cuncheng Liu; Cunwen Wang; Huaiying Yao; Stephen J. Chapman
Source:
Science of the total environment 2021 v.762 pp. 144118
ISSN:
0048-9697
Subject:
Actinomyces; Devosia; Dysgonomonas; Hermetia illucens; bioenergy; cellulose; digestion; digestive system; environment; flora; hemicellulose; insects; intestinal microorganisms; lignin; metabolism; rice straw; saprophytes
Abstract:
... Rice straw is considered as a renewable biomass energy source and its efficient utilization is still a topic worthy of attention. Black soldier fly larvae, Hermetia illucens (L.), (Diptera: Stratiomydiae) is a kind of saprophytic insect, which can effectively digest organic wastes. Here we report that alkaline peroxide-pretreatment improves the digestion of rice straw by these larvae, especially t ...
DOI:
10.1016/j.scitotenv.2020.144118

21. Shifting microbiomes complement life stage transitions and diet of the bird parasite Philornis downsi from the Galapagos Islands

Author:
Polpass Arul Jose; Michael Ben‐Yosef; Paola Lahuatte; Charlotte E. Causton; George E. Heimpel; Edouard Jurkevitch; Boaz Yuval
Source:
Environmental microbiology 2021 v.23 no.9 pp. 5014-5029
ISSN:
1462-2912
Subject:
Dysgonomonas; Gilliamella; Klebsiella; Muscidae; Providencia; birds; coevolution; complement; diet; digestive system; domestication; females; laboratory rearing; larvae; males; microbial communities; microbiology; microbiome; nests; parasites
Abstract:
... Domestication disconnects an animal from its natural environment and diet, imposing changes in the attendant microbial community. We examine these changes in Philornis downsi (Muscidae), an invasive parasitic fly of land birds in the Galapagos Islands. Using a 16S rDNA profiling approach we studied the microbiome of larvae and adults of wild and laboratory‐reared populations. These populations div ...
DOI:
10.1111/1462-2920.15435

22. The effects of ammonia-N stress on immune parameters, antioxidant capacity, digestive function, and intestinal microflora of Chinese mitten crab, Eriocheir sinensis, and the protective effect of dietary supplement of melatonin

Author:
Xiaozhen Yang; Aoya Shi; Yameng Song; Chao Niu; Xiaowen Yu; Xingliang Shi; Yangyang Pang; Xueli Ma; Yongxu Cheng
Source:
Comparative biochemistry and physiology 2021 v.250 pp. 109127
ISSN:
1532-0456
Subject:
Citrobacter; Dysgonomonas; Eriocheir sinensis; ammonium nitrogen; antioxidant activity; dietary supplements; hemolymph; hepatopancreas; immune response; intestinal microorganisms; intestines; melatonin; physiology; pollution; probiotics; protective effect; trypsin
Abstract:
... Ammonia nitrogen pollution seriously affects the economic benefits of Chinese mitten crab (Eriocheir sinensis) farming. In this study, we first evaluated the protective effects of melatonin (MT) on immune parameters, antioxidant capacity, and digestive enzymes of E. sinensis under acute ammonia nitrogen stress. The results showed that ammonia-N stress significantly decreased the antibacterial abil ...
DOI:
10.1016/j.cbpc.2021.109127

23. (My Microbiome) Would Walk 10,000 miles: Maintenance and Turnover of Microbial Communities in Introduced Dung Beetles

Author:
Erik S. Parker; Irene L.G. Newton; Armin P. Moczek
Source:
Microbial ecology 2020 v.80 no.2 pp. 435-446
ISSN:
0095-3628
Subject:
Dysgonomonas; Onthophagus; Wolbachia; dung beetles; environmental factors; host-pathogen relationships; hosts; microbial communities; microbiome; microorganisms; symbiosis
Abstract:
... Host-associated microbes facilitate diverse biotic and abiotic interactions between hosts and their environments. Experimental alterations of host-associated microbial communities frequently decrease host fitness, yet much less is known about if and how host-microbiome interactions are altered by natural perturbations, such as introduction events. Here, we begin to assess this question in Onthopha ...
DOI:
10.1007/s00248-020-01514-9

24. Bacterial diversity in aqueous/sludge phases within diesel fuel storage tanks

Author:
Natalia González-Benítez; Luis Fernando Bautista; Raquel Simarro; Carolina Vargas; Armando Salmerón; Yolanda Murillo; María Carmen Molina
Source:
World journal of microbiology & biotechnology 2020 v.36 no.12 pp. 180
ISSN:
0959-3993
Subject:
Dysgonomonas; Flavobacterium; Geotoga; Propionispira arboris; Proteobacteria; Spirochaeta thermophila; Sporobacterium olearium; altitude; biochemical pathways; bioremediation; biotechnology; diesel fuel; energy; genes; industry; microbial growth; oils; organic carbon; phosphates; probability; sludge
Abstract:
... Diesel fuel storage tanks are not hostile environments for microorganisms and tend to form sludges in the water deposited at the bottom of the tanks. The lack of nutrient, carbon and energy limitations within these habitats boost the abundance and the metabolic activity of microorganisms providing microbial hotspots with high growing rates of diesel degradation (0.10 ± 0.021 d⁻¹). Five different P ...
DOI:
10.1007/s11274-020-02956-6

25. Changes in syntrophic microbial communities, EPS matrix, and gene-expression patterns in biofilm anode in response to silver nanoparticles exposure

Author:
Basem S. Zakaria; Bipro Ranjan Dhar
Source:
Science of the total environment 2020 v.734 pp. 139395
ISSN:
0048-9697
Subject:
Bacteroides; Dysgonomonas; Enterobacteriaceae; Geobacter; anodes; bioenergy; biofilm; electrochemistry; electron transfer; environment; excretion; fermentation; gene expression; genes; glucose; microbial communities; microbial electrolysis cells; nanosilver; polymers; toxicity; transmission electron microscopes; wastewater; wastewater treatment
Abstract:
... Understanding the toxic effect of silver nanoparticles (AgNPs) on various biological wastewater treatment systems is of significant interest to researchers. In recent years, microbial electrochemical technologies have opened up new opportunities for bioenergy and chemicals production from organic wastewater. However, the effects of AgNPs on microbial electrochemical systems are yet to be understoo ...
DOI:
10.1016/j.scitotenv.2020.139395

26. Characterization of Bacterial Communities Associated with Rhynchophorus ferrugineus Olivier (Coleoptera: Curculionidae) and its Host Phoenix sylvestris

Author:
Qiliao Liao; Yajie Guo; Jianshuang Zhou; Yi Wan; Rebeca Carballar-Lejarazú; Liangjing Sheng; Feiping Zhang; Songqing Wu; Shuangquan Zou
Source:
Current microbiology 2020 v.77 no.11 pp. 3321-3329
ISSN:
0343-8651
Subject:
Cyanobacteria; Dysgonomonas; Enterobacter; Entomoplasma; Firmicutes; Phoenix sylvestris; Rhodobacter; Rhynchophorus ferrugineus; Sphingobacterium; biopesticides; habitats; midgut; pests; quarantine; wood fibers
Abstract:
... This study measured the changes of microorganisms in the midgut and habitat niche of Rhynchophorus ferrugineus Olivier, an invasive quarantine pest, by Illumina sequencing. The bacterial diversity in the R. ferrugineus larvae midgut and their habitat niche was compared to the uninfected P. sylvestris. The Proteobacteria and Firmicutes occupied a dominant position in the R. ferrugineus midgut and i ...
DOI:
10.1007/s00284-020-02196-9

27. Effect of heterotrophic anodic denitrification on anolyte pH control and bioelectricity generation enhancement of bufferless microbial fuel cells

Author:
Yueping Ren; Ying Lv; Yue Wang; Xiufen Li
Source:
Chemosphere 2020 v.257 pp. 127251
ISSN:
0045-6535
Subject:
Acidovorax; Devosia; Dysgonomonas; bioelectricity; denitrification; denitrifying bacteria; electric power; electricity generation; hydrolysis; microbial fuel cells; nitrate nitrogen; nitrate reduction; nitrogen; pH; paper; protons
Abstract:
... Heterotrophic anodic denitrification (HAD) in the single-chamber microbial fuel cell (MFC) is a promising nitrogen removal technology. In this paper, the benefit (anolyte pH increase) and challenge (substrate consumption) brought by the heterotrophic anodic denitrification process for the electricity generation of bufferless MFCs were studied for the first time. Substrate anaerobic hydrolysis dram ...
DOI:
10.1016/j.chemosphere.2020.127251

28. Effects of Antibiotics on the Dynamic Balance of Bacteria and Fungi in the Gut of the German Cockroach

Author:
Yaru Li; Coby Schal; Xiaoyuan Pan; Yanhong Huang; Fan Zhang
Source:
Journal of economic entomology 2020 v.113 no.6 pp. 2666-2678
ISSN:
0022-0493
Subject:
Archaea; Blattella germanica; Blattidae; Dysgonomonas; Enterococcus; Protozoa; antibiotic resistance; bacterial communities; digestive tract; entomology; gentamicin; ingestion; insects; intestinal microorganisms; levofloxacin; paratransgenesis
Abstract:
... The German cockroach, Blattella germanica (L.) (Blattaria: Blattidae) harbored diverse microorganisms in the digestive tract, including bacteria, fungi, viruses, archaea, and protozoa. This diverse community maintains a relatively stable balance. Some bacteria have been confirmed to play crucial roles in the insect's physiology, biochemistry, and behavior. Antibiotics can effectively eliminate bac ...
DOI:
10.1093/jee/toaa205

29. Effects of dietary T-2 toxin on gut health and gut microbiota composition of the juvenile Chinese mitten crab (Eriocheir sinensis)

Author:
Chunling Wang; Xiaodan Wang; Yuxing Huang; Xianyong Bu; Shusheng Xiao; Chuanjie Qin; Fang Qiao; Jian G. Qin; Liqiao Chen
Source:
Fish & shellfish immunology 2020 v.106 pp. 574-582
ISSN:
1050-4648
Subject:
Chryseobacterium; Dysgonomonas; Eriocheir sinensis; Proteobacteria; Streptococcus; T-2 toxin; Tenericutes; Toll-like receptors; antimicrobial peptides; apoptosis; caspase-3; caspase-8; fish; gene expression; genes; glutathione peroxidase; immunosuppression; intestinal microorganisms; intestines; juveniles; malondialdehyde; mitogen-activated protein kinase; peritrophic membrane; shellfish
Abstract:
... The current study aims to investigate the effects of dietary T-2 toxin on the intestinal health and microflora in the juvenile Chinese mitten crab (Eriocheir sinensis) with an initial weight 2.00 ± 0.05 g. Juvenile crabs were fed with experimental diets supplemented with T-2 toxin at 0 (control), 0.6 (T1 group), 2.5 (T2 group) and 5.0 (T3 group) mg/kg diet for 8 weeks. Dietary T-2 toxin increased ...
DOI:
10.1016/j.fsi.2020.08.019

30. Microbiota comparison in the intestine of juvenile Chinese mitten crab Eriocheir sinensis fed different diets

Author:
Yunfei Sun; Wenfeng Han; Jian Liu; Feng Liu; Yongxu Cheng
Source:
Aquaculture 2020 v.515 pp. 734518
ISSN:
0044-8486
Subject:
Coprobacillus; Dysgonomonas; Eriocheir sinensis; Tenericutes; Vibrio; bacteria; bacterial communities; biodiversity; crabs; diet; ecosystems; females; high-throughput nucleotide sequencing; intestinal microorganisms; intestines; juveniles; males
Abstract:
... Intestinal microflora, as a component of the host bacteria ecosystem, can influence the healthy growth of crab. The aim of this study was to determine the intestinal microflora of the juvenile Chinese mitten crab Eriocheir sinensis with different feeding modes. We investigated the bacterial communities of crab intestine resulting from three different feeding modes using high-throughput sequencing ...
DOI:
10.1016/j.aquaculture.2019.734518

31. Screening and Bioprospecting of Anaerobic Consortia for Biofuel Production Enhancement from Sugarcane Bagasse

Author:
Laís Américo Soares; Camila Abreu B. Silva Rabelo; Isabel Kimiko Sakamoto; Edson Luís Silva; Maria Bernadete Amâncio Varesche
Source:
Applied biochemistry and biotechnology 2020 v.190 no.1 pp. 232-251
ISSN:
0273-2289
Subject:
Anaerobaculum; Archaea; Bacteroides; Caloramator; Clostridium; Coprococcus; Dysgonomonas; Legionella; Pseudomonas; Ruminococcus; Sporomusa; Syntrophus; composts; ethanol production; fuel production; gas production (biological); hydrogen production; inoculum; methane; screening; soil; sugarcane bagasse; yeast extract
Abstract:
... The genera Dysgonomonas, Coprococcus, Sporomusa, Bacteroides, Sedimentibacter, Pseudomonas, Ruminococcus, and Clostridium predominate in compost residue, and vadimCA02, Anaerobaculum, Tatlockia, Caloramator, and Syntrophus prevail in soil used as inoculum in batch rectors. This mixed consortium was used as inoculum for biogas production using different concentrations of sugarcane bagasse (SCB) (fr ...
DOI:
10.1007/s12010-019-03074-2

32. Sodium butyrate can improve intestinal integrity and immunity in juvenile Chinese mitten crab (Eriocheir sinensis) fed glycinin

Author:
Fenglu Han; Chang Xu; Changle Qi; Zhideng Lin; Erchao Li; Chunling Wang; Xiaodan Wang; Jian G. Qin; Liqiao Chen
Source:
Fish & shellfish immunology 2020 v.102 pp. 400-411
ISSN:
1050-4648
Subject:
Aeromonas; Bacillus (bacteria); Dysgonomonas; Eriocheir sinensis; Lactobacillus; Pseudomonas; Vibrio; antimicrobial peptides; byproducts; crabs; enzyme activity; experimental diets; fermentation; flora; gene expression; genes; glutathione; glutathione peroxidase; glycinin; growth retardation; histamine; immunity; inflammation; intestinal microorganisms; intestines; juveniles; lysozyme; malondialdehyde; messenger RNA; microbial communities; monophenol monooxygenase; oxidative stress; probiotics; sodium butyrate; tumor necrosis factor-alpha; virulent strains; weight gain
Abstract:
... Butyrate is a fermentation byproduct of gut microbiota and is susceptible to chronic oxidative stress. This study investigates the mitigative effects of sodium butyrate (SBT) on growth inhibition and intestinal damage induced by glycinin in juvenile Chinese mitten crab (Eriocheir sinensis). All four experimental diets containing 80 g/kg glycinin were formulated with 0, 10, 20 and 40 g/kg SBT respe ...
DOI:
10.1016/j.fsi.2020.04.058

33. Stabilizing lactate production through repeated batch fermentation of food waste and waste activated sludge

Author:
Xianbao Xu; Wenjuan Zhang; Xia Gu; Zhichao Guo; Jian Song; Daan Zhu; Yanbiao Liu; Yanan Liu; Gang Xue; Xiang Li; Jacek Makinia
Source:
Bioresource technology 2020 v.300 pp. 122709
ISSN:
0960-8524
Subject:
Alkaliphilus; Bifidobacterium; Dysgonomonas; Enterococcus; activated sludge; ammonia; bacteria; batch fermentation; biological treatment; chemical oxygen demand; enzyme activity; food waste; hydrolases; lactic acid; phosphorus; solubilization
Abstract:
... Bio-valorization of organic waste streams, such as food waste and waste activated sludge, to lactic acid (LA) has recently drawn much attention. It offers an opportunity for resource recovery, alleviates environmental issues and potentially turns a profit. In this study, both stable and high LA yield (0.72 ± 0.15 g/g total chemical oxygen demand) and productivity rate (0.53 g/L•h) were obtained th ...
DOI:
10.1016/j.biortech.2019.122709

34. Bacterial community structure and predicted function in an acidogenic sulfate-reducing reactor: Effect of organic carbon to sulfate ratios

Author:
Jun Li; Min-Hui Cai; Yu Miao; Gan Luo; Wen-Tao Li; Yan Li; Ai-Min Li
Source:
Bioresource technology 2019 v.293 pp. 122020
ISSN:
0960-8524
Subject:
Atopobium; Bifidobacterium; Desulfovibrio; Dysgonomonas; Streptococcus; bacteria; bacterial communities; chemical oxygen demand; community structure; nitrogen; organic carbon; sulfates; wastewater
Abstract:
... A lab-scale acidogenic sulfate-reducing reactor with N₂ stripping was continuously operated to uncover its microbial mechanism treating highly sulfate-containing organic wastewaters. Results showed that sulfate reduction efficiency decreased with the influent COD/sulfate ratios. Microbial community analysis showed that VFA accumulation mainly caused by the predominance of fermentative bacteria inc ...
DOI:
10.1016/j.biortech.2019.122020

35. Dysgonomonas massiliensis sp. nov., a new species isolated from the human gut and its taxonogenomic description

Author:
Melhem Bilen; Maxime Descartes Mbogning Fonkou; Grégory Dubourg; Enora Tomei; Magali Richez; Jérémy Delerce; Anthony Levasseur; Ziad Daoud; Didier Raoult; Frédéric Cadoret
Source:
Antonie van Leeuwenhoek 2019 v.112 no.6 pp. 935-945
ISSN:
0003-6072
Subject:
Dysgonomonas; catalase; digestive system; feces; genome; genomics; humans; intestinal microorganisms; males; new species; nucleotide sequences; phenotype; phylogeny; proteomics; ribosomal RNA; sequence homology
Abstract:
... Culturomics has allowed the isolation of a significant number of new bacterial species from the human gut microbiota and proved to be a valuable complement to culture-independent techniques. Using this culture-based approach, a new bacterial species has been isolated from a stool sample of a 39-year-old healthy Pygmy male and described using the taxonogenomic strategy. Cells of strain Marseille-P4 ...
DOI:
10.1007/s10482-019-01227-1

36. Effects of glycinin and β-conglycinin on growth performance and intestinal health in juvenile Chinese mitten crabs (Eriocheir sinensis)

Author:
Fenglu Han; Xiaodan Wang; Jianlin Guo; Changle Qi; Chang Xu; Yuan Luo; Erchao Li; Jian G. Qin; Liqiao Chen
Source:
Fish & shellfish immunology 2019 v.84 pp. 269-279
ISSN:
1050-4648
Subject:
Burkholderia; Dysgonomonas; Eriocheir sinensis; Ochrobactrum; Pseudomonas; Vibrio; amylases; antigens; beta-conglycinin; catalase; crabs; diet; enzyme activity; fish; gene expression; genes; glycinin; growth performance; immunity; inflammation; interleukin-2; intestinal microorganisms; intestines; juveniles; lignocellulose; malondialdehyde; microbial communities; peritrophic membrane; shellfish; soybeans; trypsin; tumor necrosis factor-alpha; virulent strains; weight gain
Abstract:
... This study investigates the effects of two soybean antigens (glycinin and β-conglycinin) as an antinutritional substance in the diet on the growth, digestive ability, intestinal health and microbiota of juvenile Chinese mitten crabs (Eriocheir sinensis). The isonitrogenous and isolipidic diets contained two soybean antigens at two levels each (70 and 140 g/kg β-conglycinin, 80 and 160 g/kg glycini ...
DOI:
10.1016/j.fsi.2018.10.013

37. Food waste fermentation in a leach bed reactor: Reactor performance, and microbial ecology and dynamics

Author:
Ziyi Xiong; Abid Hussain; Jangho Lee; Hyung-Sool Lee
Source:
Bioresource technology 2019 v.274 pp. 153-161
ISSN:
0960-8524
Subject:
Bacteroides; Bifidobacterium; Clostridium; Dysgonomonas; bacteria; bacterial communities; biodegradability; butyric acid; chemical oxygen demand; community structure; dietary fiber; food waste; leachates; mixing; pH; volatile fatty acids
Abstract:
... Food waste fermentation was investigated in a leach bed reactor operated at acidic, neutral and alkaline conditions. Highest solids reduction of 87% was obtained at pH 7 in 14 days of reaction time with minimum mixing. The concentration of volatile fatty acids increased to 28.6 g COD/L under pH 7, while the highest butyric acid of 16 g COD/L was obtained at pH 6. Bacterial community structure was ...
DOI:
10.1016/j.biortech.2018.11.066

38. Positive impact of biochar alone and combined with bacterial consortium amendment on improvement of bacterial community during cow manure composting

Author:
Yumin Duan; Sanjeev Kumar Awasthi; Tao Liu; Shivpal Verma; Quan Wang; Hongyu Chen; Xiuna Ren; Zengqiang Zhang; Mukesh Kumar Awasthi
Source:
Bioresource technology 2019 v.280 pp. 79-87
ISSN:
0960-8524
Subject:
Dysgonomonas; Marinimicrobium; Pseudomonas; Tissierella; bacterial communities; bacterial culture; biochar; cow manure; high-throughput nucleotide sequencing; statistical analysis; straw
Abstract:
... The present work studied to evaluate the effectiveness under the interaction of bacterial consortium and biochar applied to give impetus to bacterial community activities among cow manure composting. High-throughput sequencing technique and six treatments were carried out: T2, T3 and T6 were single apply of bacteria culture (C), 12%wood biochar (12%WB) and 12%wheat straw biochar (12%WSB), respecti ...
DOI:
10.1016/j.biortech.2019.02.026

39. Shift of biofilm and suspended bacterial communities with changes in anode potential in a microbial electrolysis cell treating primary sludge

Author:
Basem S. Zakaria; Long Lin; Bipro Ranjan Dhar
Source:
Science of the total environment 2019 v.689 pp. 691-699
ISSN:
0048-9697
Subject:
Bacteroides; Dysgonomonas; Geobacter; anodes; bacteria; bacterial communities; biofilm; chemical oxygen demand; fermentation; hydrogen production; hydrolysis; microbial electrolysis cells; silver; silver chloride; sludge; volatile fatty acids
Abstract:
... This study, for the first time, documented microbial community shifts in response to the changes in anode potential in a microbial electrolysis cell (MEC) operated with primary sludge. At an anode potential of −0.4 V vs. Ag/AgCl, the MEC showed COD and VSS removal efficiencies of 73 ± 1% and 75 ± 2%, respectively. The volumetric current density and specific hydrogen production rate were 23 ± 1.2 A ...
DOI:
10.1016/j.scitotenv.2019.06.519

40. Anaerobic biodegradation of pharmaceutical compounds: New insights into the pharmaceutical-degrading bacteria

Author:
Mónica Martins; Sandra Sanches; Inês A.C. Pereira
Source:
Journal of hazardous materials 2018 v.357 pp. 289-297
ISSN:
0304-3894
Subject:
Actinomyces; Arcobacter; Comamonas; Desulfovibrio; Dysgonomonas; Enterococcus; anaerobic conditions; antibiotics; bacteria; biodegradation; bioremediation; carbon; ciprofloxacin; drugs; estradiol; sulfamethoxazole
Abstract:
... Antibiotics and hormones are among the most concerning trace contaminants in the environment. Therefore, the present work aimed to identify anaerobic microorganisms with the ability to remove pharmaceutical products (PhPs) belonging to these two classes (ciprofloxacin, 17β-estradiol and sulfamethoxazole) under different anaerobic conditions, and to elucidate the bio-removal mechanisms involved. Ci ...
DOI:
10.1016/j.jhazmat.2018.06.001

41. Characterization of cellulolytic microbial consortium enriched on Napier grass using metagenomic approaches

Author:
Pattanop Kanokratana; Sarunyou Wongwilaiwalin; Wuttichai Mhuantong; Sithichoke Tangphatsornruang; Lily Eurwilaichitr; Verawat Champreda
Source:
Journal of bioscience and bioengineering 2018 v.125 no.4 pp. 439-447
ISSN:
1389-1723
Subject:
Cenchrus purpureus; Comamonas; Dysgonomonas; Firmicutes; aerobes; anaerobic conditions; anaerobic digestion; bacteria; beta-glucanase; bioenergy industry; biogas; cellulose; cellulosic wastes; composts; energy; enzyme activity; esterases; forests; genes; grasses; hemicellulose; lignocellulases; lignocellulose; mammals; metagenomics; microbial communities; ribosomal RNA; sequence analysis; soil biota; xylanases
Abstract:
... Energy grass is a promising substrate for production of biogas by anaerobic digestion. However, the conversion efficiency is limited by the enzymatically recalcitrant nature of cellulosic wastes. In this study, an active, structurally stable mesophilic lignocellulolytic degrading microbial consortium (Np-LMC) was constructed from forest compost soil microbiota by successive subcultivation on Napie ...
DOI:
10.1016/j.jbiosc.2017.10.014

42. Effects of dietary black soldier fly larvae on performance of broilers mediated or not through changes in microbiota

Author:
N. Moula; J.-L. Hornick; J.-F. Cabaraux; N. Korsak; G. Daube; E. Dawans; N. Antoine; B. Taminiau; J. Detilleux
Source:
Journal of insects as food and feed 2018 v.4 no.1 pp. 31-42
ISSN:
2352-4588
Subject:
Bacillaceae; Dysgonomonas; Hermetia illucens; Rhodobacteraceae; abdominal fat; average daily gain; bacteria; body weight; broiler chickens; cecum; chi-square distribution; diet; euthanasia; feed conversion; feed intake; fermentation; insect larvae; intestinal microorganisms; least squares; males; phenotype; tibia; villi
Abstract:
... A total of 40 one-day-old male Ross chickens were individually fed a commercial feed with either 0 or 8% of de-frosted larvae of black soldier flies (BSF; wet weight). We recorded daily body weights and feed intake of each chicken for a period of 13 days. After euthanasia, we visually scored masses of abdominal fat tissues, and lesions and quantity of fat in intestinal villi. We measured percentag ...
DOI:
10.3920/JIFF2017.0011

43. First case report of bacteremia caused by Dysgonomonas mossii

Author:
Yoko Buya; Toshiyuki Shigoka; Hiroki Tahara; Yuka Uehara; Reina Motomura; Shinji Sakurai; Koichi Tanimoto; Takehisa Matsumoto
Source:
Anaerobe 2018 v.54 pp. 111-114
ISSN:
1075-9964
Subject:
Dysgonomonas; bacteremia; blood; case studies; desorption; genes; hepatitis B; hepatoma; hospitals; human diseases; males; matrix-assisted laser desorption-ionization mass spectrometry; patients; ribosomal RNA; sequence analysis
Abstract:
... We here report a case of Dysgonomonas mossii bacteremia with cholangitis. An 85-year-old male patient with recurrent hepatitis B surface antigen-negative/anti-hepatitis C virus-negative hepatocellular carcinoma came to our hospital in poor physical condition. Two sets of blood cultures revealed a positive result for D. mossii. As matrix-assisted laser desorption/ionization time-of-flight mass spec ...
DOI:
10.1016/j.anaerobe.2018.08.011

44. High tolerance of and removal of cefazolin sodium in single-chamber microbial fuel cells operation

Author:
Enren Zhang; Qingling Yu; Wenjing Zhai; Feng Wang; Keith Scott
Source:
Bioresource technology 2018 v.249 pp. 76-81
ISSN:
0960-8524
Subject:
Acinetobacter; Dysgonomonas; Lysinibacillus; Stenotrophomonas; anodes; cefazolin; electricity; microbial fuel cells; sodium; wastewater treatment
Abstract:
... Single-chamber microbial fuel cells (MFCs) have been shown to be a promising approach for cefazolin sodium (CFZS)-contaminated wastewater treatment, in terms of electricity production, high CFZS tolerance and effective CFZS removal. MFCs exposed to CFZS loadings up to 100 mg L⁻¹, produced stable power of 18.2 ± 1.1 W m⁻³ and a maximum power of 30.4 ± 2.1 W m⁻³, similar to that of CFZS-free MFCs (s ...
DOI:
10.1016/j.biortech.2017.10.005

45. Impact of antimicrobial silver nanoparticles on anode respiring bacteria in a microbial electrolysis cell

Author:
Basem S. Zakaria; Sajib Barua; Ahmed Sharaf; Yang Liu; Bipro Ranjan Dhar
Source:
Chemosphere 2018 v.213 pp. 259-267
ISSN:
0045-6535
Subject:
Acinetobacter; Dysgonomonas; Geobacter; anodes; bacteria; bacterial communities; biofilm; electrochemistry; image analysis; microbial electrolysis cells; mixed culture; nanosilver; toxicity
Abstract:
... This study assessed the impact of antimicrobial AgNPs (50 mg L⁻¹, 30–50 nm) on the electrocatalytic activity of a mixed-culture anode biofilm enriched with Geobacter species. The current densities and electrochemical kinetics were maintained after exposure to AgNPs in consecutive fed-batch cycles, despite significant changes in morphological structures and bacterial communities. Bacterial communit ...
DOI:
10.1016/j.chemosphere.2018.09.060

46. Resveratrol Prevents the Development of Hypertension Programmed by Maternal Plus Post‐Weaning High‐Fructose Consumption through Modulation of Oxidative Stress, Nutrient‐Sensing Signals, and Gut Microbiota

Author:
You‐Lin Tain; Wei‐Chia Lee; Kay L. H. Wu; Steve Leu; Julie Y. H. Chan
Source:
Molecular nutrition & food research 2018 v.62 no.15 pp. e1800066
ISSN:
1613-4125
Subject:
Bacteroides; Dysgonomonas; Verrucomicrobia; adults; diet; drinking water; dysbiosis; females; fructose; gene expression; hypertension; intestinal microorganisms; laboratory animals; lactation; males; messenger RNA; oxidative stress; pregnancy; progeny; rats; resveratrol; therapeutics; weaning
Abstract:
... SCOPE: High‐fructose (HF) intake, oxidative stress, nutrient‐sensing signals, and gut microbiota dysbiosis are closely related to the development of hypertension. It was investigated whether resveratrol can prevent hypertension induced by maternal plus post‐weaning HF diets in adult offspring via the above‐mentioned mechanisms. METHODS AND RESULTS: Female Sprague‐Dawley rats received either a norm ...
DOI:
10.1002/mnfr.201800066

47. Surfactants selectively reallocated the bacterial distribution in soil bioelectrochemical remediation of petroleum hydrocarbons

Author:
Xiaojing Li; Qian Zhao; Xin Wang; Yongtao Li; Qixing Zhou
Source:
Journal of hazardous materials 2018 v.344 pp. 23-32
ISSN:
0304-3894
Subject:
Acidobacteria; Actinobacteria; Alcaligenes; Chloroflexi; Clostridium; Dysgonomonas; Phenylobacterium; Planctomycetes; anionic surfactants; beta-cyclodextrin; bioavailability; biochemical pathways; bioelectricity; bioremediation; biosurfactants; cetyltrimethylammonium bromide; electron transfer; gamma-Proteobacteria; hydrocarbons; microbial fuel cells; microorganisms; petroleum; polluted soils; sodium dodecyl sulfate; soil pollution; soil remediation
Abstract:
... Soil contaminated by aged petroleum hydrocarbons is faced with scarcity of electron acceptors, low activity of functional microbes and inefficient electron transfer, which hinder the bioremediation application. The soil microbial fuel cell (MFC) simultaneously solves these problems with bioelectricity production. In this study, five types of surfactants were introduced to enhance the bioavailabili ...
DOI:
10.1016/j.jhazmat.2017.09.050

48. Biodegradation of the veterinary antibiotics enrofloxacin and ceftiofur and associated microbial community dynamics

Author:
Diogo A.M. Alexandrino; Ana P. Mucha; C. Marisa R. Almeida; Wei Gao; Zhongjun Jia; Maria F. Carvalho
Source:
Science of the total environment 2017 v.581-582 pp. 359-368
ISSN:
0048-9697
Subject:
Achromobacter; Chryseobacterium; Dysgonomonas; Flavobacterium; Stenotrophomonas; Variovorax; acclimation; acetates; biodegradation; ceftiofur; ciprofloxacin; constructed wetlands; culture media; enrofloxacin; inoculum; livestock; microbial communities; norfloxacin; pollutants; rhizosphere; sediments; veterinary drugs; wastewater
Abstract:
... Fluoroquinolones and cephalosporins are two classes of veterinary antibiotics arising as pollutants of emerging concern. In this work, the microbial degradation of two representative antibiotics of both these classes, enrofloxacin (ENR) and ceftiofur (CEF), is reported. Biodegradation of the target antibiotics was investigated by supplementing the culture medium with ENR and CEF, individually and ...
DOI:
10.1016/j.scitotenv.2016.12.141

49. Cometabolic degradation of chloramphenicol via a meta-cleavage pathway in a microbial fuel cell and its microbial community

Author:
Qinghua Zhang; Yanyan Zhang; Daping Li
Source:
Bioresource technology 2017 v.229 pp. 104-110
ISSN:
0960-8524
Subject:
Azoarcus; Azonexus; Chryseobacterium; Comamonas; Dysgonomonas; Escherichia coli; Shewanella oneidensis; antibacterial properties; biofilm; chloramphenicol; electrodes; energy recovery; high-throughput nucleotide sequencing; microbial communities; microbial fuel cells; pH; temperature; wastewater
Abstract:
... The performance of a microbial fuel cell (MFC) in terms of degradation of chloramphenicol (CAP) was investigated. Approximately 84% of 50mg/L CAP was degraded within 12h in the MFC. A significant interaction of pH, temperature, and initial CAP concentration was found on removal of CAP, and a maximum degradation rate of 96.53% could theoretically be achieved at 31.48°C, a pH of 7.12, and an initial ...
DOI:
10.1016/j.biortech.2017.01.026

50. Microbial communities associated with stable fly (Diptera: Muscidae) larvae and their developmental substrates

Author:
Erin Scully; Kristina Friesen; Brian Wienhold; Lisa Durso
Source:
Annals of the Entomological Society of America 2017 v.110 no.1 pp. 61-72
ISSN:
1938-2901
Subject:
Brevundimonas; Campylobacter; Devosia; Dysgonomonas; Erysipelothrix; Miozoa; Paracoccus (Proteobacteria); Stomoxys calcitrans; adults; bacteria; bacterial communities; gamma-Proteobacteria; insect larvae; intestinal microorganisms; microscopy; rearing
Abstract:
... Bacteria are essential for stable fly (Stomoxys calcitrans (L.)) larval survival and development, but little is known about the innate microbial communities of stable flies, and it is not known if their varied dietary substrates influence their gut microbial communities. This investigation utilized 454 sequencing to characterize and compare the bacterial and eukaryotic microbial communities in sta ...
Handle:
10113/6723266
DOI:
10.1093/aesa/saw087