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1. Clostridium species diversity in gut microbiota of patients with renal failure

Author:
Siamak Amini Khiabani; Setareh Haghighat; Hamid Tayebi Khosroshahi; Mohammad Asgharzadeh; Hossein Samadi Kafil
Source:
Microbial pathogenesis 2022 v.169 pp. 105667
ISSN:
0882-4010
Subject:
Acidaminobacter; Caloramator; Clostridium celatum; digestive tract; hemostasis; intestinal microorganisms; intestines; kidneys; metabolites; pathogenesis; renal failure; species diversity
Abstract:
... The Pathology of digestive tract has long been known to be correlated with chronic kidney disease (CKD). The member of the major Firmicutes phylum especially Clostridium subcluster XIVa altered quantitatively and qualitatively in the gut microbiota of patients with End Stage Renal Disease (ESRD) and CKD. Therefore, in this study, the abundance of the species of Clostridium genus of Firmicutes phyl ...
DOI:
10.1016/j.micpath.2022.105667

2. Deep sequencing reveals changes in prokaryotic taxonomy and functional diversity of pit muds in different distilleries of China

Author:
Qiangchuan Hou; Yurong Wang; Hui Ni; Wenchao Cai; Wenhui Liu; Shaoyong Yang; Zhendong Zhang; Chunhui Shan; Zhuang Guo
Source:
Annals of microbiology 2022 v.72 no.1 pp. 12
ISSN:
1590-4261
Subject:
Aminobacterium; Caloramator; Clostridium; Lactobacillus; Methanobacteria; Methanoculleus; Methanosarcina; Ruminococcus; Syntrophomonas; community structure; fermentation; functional diversity; genes; methanogens; microbial communities; taxonomy; China
Abstract:
... PURPOSE: The microbial community in the pit mud correlated closely with the quality of the final product of Chinese strong-flavored Baijiu (CSFB). However, environmental conditions and brewing processes can vary by region and distilleries. This may lead to differences in microbial composition and function in pit mud. Therefore, revealing the features of the pit mud microbial community structure an ...
DOI:
10.1186/s13213-022-01671-x

3. Domination of pit mud microbes in the formation of diverse flavour compounds during Chinese strong aroma-type Baijiu fermentation

Author:
Jiangjing Gao; Guoying Liu; Anjun Li; Chenchen Liang; Cong Ren; Yan Xu
Source:
Lebensmittel-Wissenschaft + Technologie 2021 v.137 pp. 110442
ISSN:
0023-6438
Subject:
Caloramator; anaerobes; esterification; fermentation; flavor; pH; synergism
Abstract:
... The pit mud microbes are tightly correlated with the quality of Chinese strong aroma-type Baijiu. However, it is still unclear the explicit contributions of pit mud microbes to flavour formation. Through down-scaled fermentation with or without pit mud, we found that 85 genera from pit mud, dominating by Caproiciporducens, Caloramator, Sedimentibacter and Caldicoprobacter, migrated into fermented ...
DOI:
10.1016/j.lwt.2020.110442

4. Exploring prevalence of potential pathogens and fecal indicators in geographically distinct river systems through comparative metagenomics

Author:
Aparna Chakkamadathil Rajeev; Nishi Sahu; Kumar Arvind; Maushumi Deori; Tony Grace; Suma Arun Dev; Vijay Pal Yadav; Ilora Ghosh
Source:
Environmental pollution 2021 v.282 pp. 117003
ISSN:
0269-7491
Subject:
Acinetobacter; Arcobacter; Bacteroides; Caloramator; Clostridium; Flavobacterium; Opitutus; Pseudomonas; Streptomyces; metagenomics; microbiome; multivariate analysis; pH; pollution; public health; riparian areas; risk; river water; rivers; salinity; sewage; temperature; variance; India
Abstract:
... Microbial communities are considered as vital members to reflect the health of a riverine system. Among them, pathogenic and fecal indicators imply health risks involved with potability of river water. The present study explores the diverse microbial communities, distribution pattern of potential pathogens, and fecal indicators between the geographically distinct Himalayan and Peninsular river sys ...
DOI:
10.1016/j.envpol.2021.117003

5. Link between characteristics of Fe(III) oxides and critical role in enhancing anaerobic methanogenic degradation of complex organic compounds

Author:
Yapeng Tang; Yang Li; Mingqian Zhang; Pu Xiong; Lifen Liu; Yongming Bao; Zhiqiang Zhao
Source:
Environmental research 2021 v.194 pp. 110498
ISSN:
0013-9351
Subject:
Caloramator; Enterococcus; Syntrophus; Trichococcus; X-ray diffraction; X-ray photoelectron spectroscopy; acetates; electron transfer; ferrihydrite; hematite; magnetite; methane; methane production; microbial communities; phenol; research; sludge
Abstract:
... Fe(III) oxides have been investigated to accelerate anaerobic methanogenic degradation of complex organic compounds. However, the critical role linked to the characteristics of different types of Fe(III) oxides is still unclear. Study presented here performed a side-by-side comparison of four types of Fe(III) oxides including Fe(III)-citrate, ferrihydrite, hematite and magnetite to evaluate their ...
DOI:
10.1016/j.envres.2020.110498

6. Alkaline aided thermophiles pretreatment of waste activated sludge to increase short chain fatty acids production: Microbial community evolution by alkaline on hydrolysis and fermentation

Author:
Chun-Xue Yang; Shuai Zhao; Ze-Chong Guo; Wen-Zong Liu; Ling Wang; Shao-Peng Yu; Bao-Ling Liu; Xue Cong
Source:
Environmental research 2020 v.186 pp. 109503
ISSN:
0013-9351
Subject:
Acidobacteria; Caloramator; acidification; activated sludge; chemical oxygen demand; fermentation; heat tolerance; hydrolysis; microbial communities; proteins; proteolysis; short chain fatty acids; thermophilic bacteria
Abstract:
... Adding alkaline into an anaerobic waste activated sludge (WAS) fermentation with thermophilic bacteria pretreatment could efficiently improve short-chain fatty acids (SCFAs) accumulation to 3550 ± 120 mg COD/L. The acidification rate in combined test was 21.2%, while that was 15.6% and 10.7% in sole thermophilic bacteria pretreatment and control tests respectively. Four distinct groups of microbes ...
DOI:
10.1016/j.envres.2020.109503

7. Protist-enhanced survival of a plant growth promoting rhizobacteria, Azospirillum sp. B510, and the growth of rice (Oryza sativa L.) plants

Author:
Rasit Asiloglu; Keiko Shiroishi; Kazuki Suzuki; Oguz Can Turgay; Jun Murase; Naoki Harada
Source:
Applied soil ecology 2020 v.154 pp. 103599
ISSN:
0929-1393
Subject:
Agrobacterium; Azospirillum; Burkholderia; Caloramator; Massilia; Oryza sativa; Ralstonia; Rhodoferax; Sphingobacteriia; Sphingomonadales; bacterial communities; community structure; nitrogen; phytomass; plant growth; protists; rhizosphere bacteria; rice; soil ecology; soil sterilization; sustainable agriculture
Abstract:
... Application of plant growth promoting rhizo-bacteria (PGPR) is a promising method for sustainably increasing the plant growth; however, survival of PGPR is the most important factor limiting its efficiency. We studied the effects of heterotrophic protists on the survival of introduced PGPR, Azospirillum sp. B510, on indigenous bacterial community structure, and on the growth of the rice (Oryza sat ...
DOI:
10.1016/j.apsoil.2020.103599

8. 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

9. Exploration of the key functional strains from an azo dye degradation microbial community by DGGE and high-throughput sequencing technology

Author:
Yan Chen; Lizhen Zhang; Linlin Feng; Guotao Chen; Yuanxiu Wang; Zhijun Zhai; Qinghua Zhang
Source:
Environmental science and pollution research international 2019 v.26 no.24 pp. 24658-24671
ISSN:
0944-1344
Subject:
Anoxybacillus; Bacillus (bacteria); Caloramator; Clostridium; amino acids; azo dyes; bacteria; decolorization; denaturing gradient gel electrophoresis; high-throughput nucleotide sequencing; laccase; microbial communities; polymerase chain reaction; proteins; synergism
Abstract:
... This study investigated a previously developed thermophilic microbial community with the ability to effectively degrade azo dyes. To identify the key microbes of this microbial community, a dilution-to-extinction approach was combined with polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE) and Illumina high-throughput sequencing technology (HTST). Strains belonging to Tep ...
DOI:
10.1007/s11356-019-05781-z

10. Biotechnological products in batch reactors obtained from cellulose, glucose and xylose using thermophilic anaerobic consortium

Author:
V. Silva; R.P. Ratti; I.K. Sakamoto; M.V.F. Andrade; M.B.A. Varesche
Source:
Renewable energy 2018 v.125 pp. 537-545
ISSN:
0960-1481
Subject:
Caloramator; Clostridium; Fervidobacterium; Thermoanaerobacter ethanolicus; Thermoanaerobacterium; acetic acid; anaerobes; bacteria; biomass; cellulose; energy; enzymes; ethanol; ethanol production; fuel production; glucose; lignocellulose; methane; pH; pentoses; renewable energy sources; xylose
Abstract:
... Lignocellulosic residues used for biofuel production is an alternative source to increase the energy supply. However, the cellulose found in this biomass must be made available in fermentable sugars, requiring a complex enzymatic mechanism only found in specific microorganisms. Some thermophilic and anaerobic bacteria of the Clostridium species are able to produce cellulolytic enzymes and metaboli ...
DOI:
10.1016/j.renene.2018.02.124

11. Biochar increases arsenic release from an anaerobic paddy soil due to enhanced microbial reduction of iron and arsenic

Author:
Ning Wang; Xi-Mei Xue; Albert L. Juhasz; Zhi-Zhou Chang; Hong-Bo Li
Source:
Environmental pollution 2017 v.220 pp. 514-522
ISSN:
0269-7491
Subject:
Caloramator; aluminum; aluminum oxide; anaerobic conditions; arsenic; bacteria; biochar; community structure; fractionation; genes; iron; iron oxides; paddy soils; quantitative polymerase chain reaction; rice straw; slurries; soil microorganisms; soil solution
Abstract:
... Previous studies have shown that biochar enhances microbial reduction of iron (Fe) oxyhydroxide under anaerobic incubation. However, there is a lack of data on its influence on arsenic (As) release from As-contaminated paddy soils. In this study, paddy soil slurries (120 mg As kg⁻¹) were incubated under anaerobic conditions for 60 days with and without the addition of biochar (3%, w/w) prepared fr ...
DOI:
10.1016/j.envpol.2016.09.095

12. The role of conductive materials in the start-up period of thermophilic anaerobic system

Author:
Wangwang Yan; Nan Shen; Yeyuan Xiao; Yun Chen; Faqian Sun; Vinay Kumar Tyagi; Yan Zhou
Source:
Bioresource technology 2017 v.239 pp. 336-344
ISSN:
0960-8524
Subject:
Caloramator; Methanosaeta; Methanosarcina; anaerobic digestion; bacteria; carbon nanotubes; electron transfer; methane production; methanogens; microbial activity; microbial communities
Abstract:
... The major obstacle for thermophilic anaerobic digestion (TAD) is the inhibited microorganism activity and process instability during the start-up period. This study proposed a strategy to accelerate and stabilize the thermophilic reactors start-up via adding conductive materials. The results show that methane production rate in conductive materials supplemented (CMS) reactors was almost two times ...
DOI:
10.1016/j.biortech.2017.05.046

13. Spatial and Temporal Changes in the Broiler Chicken Cecal and Fecal Microbiomes and Correlations of Bacterial Taxa with Cytokine Gene Expression

Author:
Brian B. Oakley; Michael H. Kogut
Source:
Frontiers in veterinary science 2016 v.3 article no.11 pp. 1-12
ISSN:
2297-1769
Subject:
Bacteroides; Caloramator; Clostridium; Lactobacillus; Proteobacteria; analysis of variance; animal age; animal health; bacterial communities; broiler chickens; cecum; correlation; feces; gene expression; genes; hatching; immunomodulation; interleukin-10; interleukin-18; interleukin-1beta; interleukin-6; intestinal microorganisms; messenger RNA; microbiome; phylogeny; quantitative polymerase chain reaction; ribosomal RNA; sequence analysis; spatial variation; species diversity; species identification; t-test; temporal variation; transcription (genetics)
Abstract:
... To better understand the ecology of the poultry gastrointestinal (GI) microbiome and its interactions with the host, we compared GI bacterial communities by sample type (fecal or cecal), time (1, 3, and 6 weeks posthatch), and experimental pen (1, 2, 3, or 4), and measured cecal mRNA transcription of the cytokines IL18, IL1β, and IL6, IL10, and TGF-β4. The microbiome was characterized by sequencin ...
Handle:
10113/62561
DOI:
10.3389/fvets.2016.00011
PubMed:
26925404
PubMed Central:
PMC4759570

14. Community Analysis of Plant Biomass-Degrading Microorganisms from Obsidian Pool, Yellowstone National Park

Author:
Tatiana A. Vishnivetskaya; Scott D. Hamilton-Brehm; Mircea Podar; Jennifer J. Mosher; Anthony V. Palumbo; Tommy J. Phelps; Martin Keller; James G. Elkins
Source:
Microbial ecology 2015 v.69 no.2 pp. 333-345
ISSN:
0095-3628
Subject:
Anaerobacter; Caldicellulosiruptor; Caloramator; Clostridium; Juncus; Panicum virgatum; Populus; Thermoanaerobacter; biofuels; biomass; carbon; cellulolytic microorganisms; energy; enzymes; genes; heat tolerance; hot springs; lignocellulose; microbial activity; microbial communities; models; national parks; nucleotide sequences; ribosomal RNA; sediments; temperature; vegetation; xylan
Abstract:
... The conversion of lignocellulosic biomass into biofuels can potentially be improved by employing robust microorganisms and enzymes that efficiently deconstruct plant polysaccharides at elevated temperatures. Many of the geothermal features of Yellowstone National Park (YNP) are surrounded by vegetation providing a source of allochthonic material to support heterotrophic microbial communities adapt ...
DOI:
10.1007/s00248-014-0500-8

15. Effects of ultrasonic-assisted thermophilic bacteria pretreatment on hydrolysis, acidification, and microbial communities in waste-activated sludge fermentation process

Author:
Chunxue Yang; Aijuan Zhou; Zhangwei He; Lei Jiang; Zechong Guo; Aijie Wang; Wenzong Liu
Source:
Environmental science and pollution research international 2015 v.22 no.12 pp. 9100-9109
ISSN:
0944-1344
Subject:
Caloramator; Geobacillus; acidification; chemical oxygen demand; enzymes; fermentation; fluorescence; fluorescence emission spectroscopy; hydrolysis; microbial communities; pretreatment; sequence analysis; sludge; synergism; thermophilic bacteria; ultrasonics; volatile fatty acids
Abstract:
... A novel pretreatment method combining ultrasonic with thermophilic bacteria (Geobacillus sp. G1) was employed to pretreat waste-activated sludge (WAS) for enhancing the WAS hydrolysis and subsequent volatile fatty acids (VFAs) production. The soluble protein and carbohydrate were mostly released from intracellular ultrasonic-assisted Geobacillus sp. G1 pretreatment, and accumulated to 917 ± 70 and ...
DOI:
10.1007/s11356-014-3985-2

16. Freezing/thawing pretreatment coupled with biological process of thermophilic Geobacillus sp. G1: Acceleration on waste activated sludge hydrolysis and acidification

Author:
Chunxue Yang; Wenzong Liu; Zhangwei He; Sangeetha Thangavel; Ling Wang; Aijuan Zhou; Aijie Wang
Source:
Bioresource technology 2015 v.175 pp. 509-516
ISSN:
0960-8524
Subject:
Caloramator; Clostridium; Geobacillus; acidification; activated sludge; bacteria; chemical oxygen demand; fluorescence; fluorescence emission spectroscopy; freezing; hydrolysis; sequence analysis; short chain fatty acids; synergism; thawing
Abstract:
... A novel pretreatment method combining freezing/thawing with Geobacillus sp. G1 was employed to pretreat waste activated sludge (WAS) for enhancing the WAS hydrolysis and subsequent short-chain fatty acids (SCFAs) production. Results showed that freezing/thawing combined with Geobacillus sp. G1 pretreatment achieved the maximal concentrations of soluble protein from 40±6mg COD/L (non-pretreated) to ...
DOI:
10.1016/j.biortech.2014.10.154

17. High organic loading rate on thermophilic hydrogen production and metagenomic study at an anaerobic packed-bed reactor treating a residual liquid stream of a Brazilian biorefinery

Author:
Antônio Djalma Nunes Ferraz Júnior; Claudia Etchebehere; Marcelo Zaiat
Source:
Bioresource technology 2015 v.186 pp. 81-88
ISSN:
0960-8524
Subject:
Caloramator; Clostridium; Megasphaera; Oxobacter; Thermoanaerobacterium; biorefining; carbohydrates; hydrogen production; metagenomics; microbial communities; polyethylene
Abstract:
... This study evaluated the influence of a high organic loading rate (OLR) on thermophilic hydrogen production at an up-flow anaerobic packed-bed reactor (APBR) treating a residual liquid stream of a Brazilian biorefinery. The APBR, filled with low-density polyethylene, was operated at an OLR of 84.2kg-CODm−3d−1. This value was determined in a previous study. The maximum values of hydrogen production ...
DOI:
10.1016/j.biortech.2015.03.035

18. High temperature simultaneous saccharification and fermentation of starch from inedible wild cassava (Manihot glaziovii) to bioethanol using Caloramator boliviensis

Author:
Anselm P. Moshi; Ken M.M. Hosea; Emrode Elisante; G. Mamo; Bo Mattiasson
Source:
Bioresource technology 2015 v.180 pp. 128-136
ISSN:
0960-8524
Subject:
Caloramator; Manihot glaziovii; acclimation; alpha-amylase; batch fermentation; bioethanol; carbon dioxide; cassava; cassava flour; cassava starch; cyanides; ethanol; ethanol production; gases; glucose; hydrogen; hydrolysates; monitoring; saccharification; starch; temperature
Abstract:
... The thermoanaerobe, Caloramator boliviensis was used to ferment starch hydrolysate from inedible wild cassava to ethanol at 60°C. A raw starch degrading α-amylase was used to hydrolyse the cassava starch. During fermentation, the organism released CO2 and H2 gases, and Gas Endeavour System was successfully used for monitoring and recording formation of these gaseous products. The bioethanol produc ...
DOI:
10.1016/j.biortech.2014.12.087

19. Application of rumen microbes to enhance food waste hydrolysis in acidogenic leach-bed reactors

Author:
Bing Hua Yan; Ammaiyappan Selvam; Jonathan W.C. Wong
Source:
Bioresource technology 2014 v.168 pp. 64-71
ISSN:
0960-8524
Subject:
Bifidobacterium thermacidophilum; Caloramator; Enterobacter; biochemical pathways; butyrates; cattle manure; chemical oxygen demand; ethanol; food waste; hydrolysis; leaching; methane; methane production; nitrogen content; phylogeny; rumen microorganisms; sludge
Abstract:
... Effect of rumen microorganisms on hydrolysis of food waste in leach bed reactor (LBR) was investigated. LBRs were inoculated (20%, w/w) with cow manure and anaerobically digested sludge at different ratios, 0:1 (LBR-A), 1:3 (LBR-B), 1:1 (LBR-C), 3:1 (LBR-D) and 1:0 (LBR-E). High volatile solids (VS) conversion efficiency of 68% was achieved in LBR-E. Compared with LBR-A, chemical oxygen demand, to ...
DOI:
10.1016/j.biortech.2014.03.085

20. Electrochemical and phylogenetic analyses of current-generating microorganisms in a thermophilic microbial fuel cell

Author:
Qian Fu; Hajime Kobayashi; Hideo Kawaguchi; Javier Vilcaez; Tatsuki Wakayama; Haruo Maeda; Kozo Sato
Source:
Journal of bioscience and bioengineering 2013 v.115 pp. 268-271
ISSN:
1389-1723
Subject:
Caloramator; bacteria; electricity; electrochemistry; microbial fuel cells; phylogeny; thermophilic microorganisms
Abstract:
... To explore diversity of thermophilic exoelectrogens, a thermophilic microbial fuel cell was constructed. Population analysis of the anodic microorganisms suggested possible involvement of Caloramator-related bacteria in electricity generation. Pure culture of Caloramator australicus showed electricity-generating ability, indicating that the bacterium is a new thermophilic exoelectrogen. ...
DOI:
10.1016/j.jbiosc.2012.10.007