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1. A closer look on the variety and abundance of the faecal resistome of wild boar

Author:
Diana Dias; Carlos Fonseca; Sónia Mendo; Tânia Caetano
Source:
Environmental pollution 2022 v.292 pp. 118406
ISSN:
0269-7491
Subject:
Enterococcus; Escherichia coli; One Health initiative; aminoglycosides; animal health; antibiotic resistance; antibiotic resistance genes; game animals; humans; indicator species; livestock; metagenomics; microbiome; monitoring; omnivores; phenotype; pollution; wild boars; wildlife; Europe
Abstract:
... Antimicrobial resistance (AMR) is a serious problem for public and animal health, and also for the environment. Monitoring and reporting the occurrence of AMR determinants and bacteria with the potential to disseminate is a priority for health surveillance programs around the world and critical to the One Health concept. Wildlife is a reservoir of AMR, and human activities can strongly influence t ...
DOI:
10.1016/j.envpol.2021.118406

2. Alteration of gut bacteria composition among individuals with asymptomatic Blastocystis infection: A case-control study

Author:
Sahar Behboud; Kavous Solhjoo; Saiedeh Erfanian; Majid Pirestani; Amir Abdoli
Source:
Microbial pathogenesis 2022 v.169 pp. 105639
ISSN:
0882-4010
Subject:
Bacteroides fragilis; Bifidobacterium; Blastocystis; Enterococcus; Escherichia coli; Lactobacillus; Ruminococcus productus; case-control studies; cross-sectional studies; digestive tract; ecosystems; gastrointestinal system; humans; intestinal microorganisms; parasites; pathogenesis; quantitative polymerase chain reaction
Abstract:
... The gut microbiota consists a diverse and complex ecosystem that is involved in beneficial functions as well as potentially harmful conditions for human. Blastocystis sp. is a common parasite of the digestive tract of animals and humans; however, limited data is available concerning the association of asymptomatic Blastocystis infection and gut bacteria composition. Hence, in this cross-sectional ...
DOI:
10.1016/j.micpath.2022.105639

3. An insight into the changes in the microbial community of Kantuan‐sliced chicken during storage at different temperatures

Author:
Zhiqi Wang; Ping Li; Hui Zhou; Baocai Xu; Kezhou Cai; Peijun Li; Kai Zhou; Zhaoming Wang; Qingrong Han
Source:
Journal of food processing and preservation 2022 v.46 no.5 pp. e16614
ISSN:
0145-8892
Subject:
Brochothrix; Enterococcus; Fusobacterium; Lactococcus; Psychrobacter; Psychromonas; chickens; cold storage; food industry; microbial communities; pH; ready-to-eat foods; refrigeration; shelf life; spoilage; storage temperature; storage time; total volatile basic nitrogen
Abstract:
... This work investigated the microbial community in Kantuan‐sliced chicken during retail storage at different temperatures (4 ± 1°C and 25 ± 1°C). Compared with the samples stored at 25°C, a lower storage temperature (4°C) could prolong the shelf life of Kantuan‐sliced chicken, as revealed by a lower change rate in pH value, total volatile basic nitrogen, and total viable counts. For the freshly pre ...
DOI:
10.1111/jfpp.16614

4. Antibacterial activity potential of leaf extracts of Blepharis maderaspatensis and Ziziphus oenoplia against antibiotics resistant Pseudomonas strains isolated from pus specimens

Author:
Chokkalingam Mohanasundari; Sorimuthu Anbalagan; Kesavan Srinivasan; Mathiyazhagan Narayanan; Mythili Saravanan; Sulaiman Ali Alharbi; Saleh H. Salmen; Tran Cam Nhung; Arivalagan Pugazhendhi
Source:
Process biochemistry 2022 v.118 pp. 24-31
ISSN:
1359-5113
Subject:
Blepharis; Enterococcus; Klebsiella; Micrococcus; Staphylococcus; Ziziphus; antibacterial properties; antibiotic resistance; drug therapy; leaves; methanol; solvents
Abstract:
... Knowing the antibiotic resistance profile of pathogenic bacteria is essential to finding an appropriate remedy for these issues by sourcing antibacterial agents from plants. The present study exposes the bactericidal potential of different leaf extracts of Blepharis maderaspatensis and Ziziphus oenoplia against multi drug resistant bacterial strains enumerated from pus specimens at a secondary car ...
DOI:
10.1016/j.procbio.2022.04.008

5. Bacteria from bovine clinical mastitis showed multiple drug resistance

Author:
Sudhakar P. Awandkar; Mahesh B. Kulkarni; Narendra V. Khode
Source:
Veterinary research communications 2022 v.46 no.1 pp. 147-158
ISSN:
0165-7380
Subject:
Acinetobacter; Enterococcus; Holstein; Jersey; Pseudomonas; Streptococcus uberis; aminoglycosides; beta-lactamase; cephalosporins; chloramphenicol; cross-sectional studies; dairy industry; lactation; milk; monsoon season; multiple drug resistance; public health; quinolones; udders; vancomycin; veterinary medicine
Abstract:
... Mastitis, which often manifests as udder infection in dairy animals, is of great concern as it affects public health and results in heavy economic losses to the dairy industry. A hospital-based cross-sectional study was conducted to determine the cultivable bacterial species associated with bovine clinical mastitis and their resistance patterns towards different antimicrobials. The milk samples fr ...
DOI:
10.1007/s11259-021-09838-8

6. Bacterial community dynamics on bats and the implications for pathogen resistance

Author:
Aoqiang Li; Zhongle Li; Wentao Dai; Katy L. Parise; Haixia Leng; Longru Jin; Sen Liu; Keping Sun; Joseph R. Hoyt; Jiang Feng
Source:
Environmental microbiology 2022 v.24 no.3 pp. 1484-1498
ISSN:
1462-2912
Subject:
Burkholderia; Corynebacterium; Enterococcus; Flavobacterium; Pseudogymnoascus destructans; Pseudomonas; Rhinolophus ferrumequinum; bacterial communities; body condition; community structure; fungi; pathogens; temperature; white-nose syndrome
Abstract:
... The bats skin microbiota plays an important role in reducing pathogen infection, including the deadly fungal pathogen Pseudogymnoascus destructans, the causative agent of white‐nose syndrome. However, the dynamic of skin bacterial communities response to environmental perturbations remains poorly described. We characterized skin bacterial community over time and space in Rhinolophus ferrumequinum, ...
DOI:
10.1111/1462-2920.15754

7. Bioremediation of a Sewage-Contaminated Tropical Swamp Through Bioaugmentation with a Microalgae-Predominant Microbial Consortium

Author:
Jaime E. Gutiérrez; Nohora Gutiérrez-Hoyos; Juan Sebastián Gutiérrez; Martha J. Vives; V. Sivasubramanian
Source:
Indian journal of microbiology 2022 v.62 no.2 pp. 307-311
ISSN:
0046-8991
Subject:
Enterococcus; bioaugmentation; bioreactors; decontamination; microalgae; phytoplankton; sewage; swamps; water reservoirs; Colombia
Abstract:
... Bioaugmentation has many applications as a bioremediation technique. It is usually performed by bacteria but microalgal consortia also have great potential for bioremediation. This study evaluated the ability of a microbial consortium with predominance of microalgae (MCPM) to decontaminate the water of the Mallorquín tropical swamp. The Mallorquín Swamp is a natural water reservoir, essential for ...
DOI:
10.1007/s12088-021-00990-y

8. Black raspberry extract shifted gut microbe diversity and their metabolic landscape in a human colonic model

Author:
Shiqi Zhang; Mengyang Xu; Xiaowei Sun; Xuyu Liu; Fouad Choueiry; Rui Xu; Haifei Shi; Jiangjiang Zhu
Source:
Journal of chromatography 2022 v.1188 pp. 123027
ISSN:
1570-0232
Subject:
Enterococcus; Rubus occidentalis; anthocyanins; arginine; biosynthesis; colon; dysbiosis; human health; humans; intestinal microorganisms; irritable bowel syndrome; liquid chromatography; lysine; mass spectrometry; metabolites; metabolomics; models; obesity; pH; proline; ribosomal DNA; temperature
Abstract:
... Human gut microbiota is critical for human health, as their dysbiosis could lead to various diseases such as irritable bowel syndrome and obesity. Black raspberry (BRB) has been increasingly studied recently for its impact on gut microbiota as a rich source of phytochemicals (e.g., anthocyanin). To investigate the effect of BRB extract on the gut microbiota composition and their metabolism, an in- ...
DOI:
10.1016/j.jchromb.2021.123027

9. Charactering the spoilage mechanism of “three sticks” of Jinhua ham

Author:
Changyu Zhou; Guang Zhan; Daodong Pan; Guanghong Zhou; Ying Wang; Jun He; Jinxuan Cao
Source:
Food science and human wellness 2022 v.11 no.5 pp. 1322-1330
ISSN:
2213-4530
Subject:
Enterobacteriaceae; Enterococcus; ammonia; cadaverine; dimethyl disulfide; food science; ham; histamine; humans; methanethiol; off odors; putrescine; salt content; spoilage; total volatile basic nitrogen
Abstract:
... To investigate the spoilage characteristics of Jinhua ham, sensory scores, volatile compounds, biogenic amine, physicochemical parameters and microbial counts were evaluated between normal and spoiled hams. The results showed that off-odors of spoiled hams were dominated by rancid, sour, sulfide and ammonia odors derived from these compounds including butanoic acid, methanethiol and dimethyl disul ...
DOI:
10.1016/j.fshw.2022.04.021

10. Cheese ripening in nonconventional conditions: A multiparameter study applied to Protected Geographical Indication Canestrato di Moliterno cheese

Author:
Michele Faccia; Giuseppe Natrella; Giuseppe Gambacorta; Antonio Trani
Source:
Journal of dairy science 2022 v.105 no.1 pp. 140-153
ISSN:
0022-0302
Subject:
Enterococcus; Lactobacillus; Lactococcus; casein; cheeses; free fatty acids; liquid chromatography; mass spectrometry; molecular weight; peptides; principal component analysis; protected designation of origin; proteolysis; relative humidity; temperature; volatile organic compounds
Abstract:
... A multiparameter study was performed to evaluate the effect of fondaco, a traditional ripening cellar without any artificial temperature and relative humidity control, on the chemical, microbiological, and sensory characteristics of Protected Geographical Indication Canestrato di Moliterno cheese. Ripening in such a nonconventional environment was associated with lower counts of lactococci, lactob ...
DOI:
10.3168/jds.2021-20845

11. Consumer’s acceptability and health consciousness of probiotic and prebiotic of non-dairy products

Author:
Fernanda Cosme; António Inês; Alice Vilela
Source:
Food research international 2022 v.151 pp. 110842
ISSN:
0963-9969
Subject:
Bifidobacterium; Enterococcus; Lactobacillus; Lactococcus; Saccharomyces cerevisiae; Streptococcus; fermentation; food research; health behavior; herbal tea; humans; intestinal microorganisms; intestines; kombucha; lactose intolerance; prebiotics; probiotics; social welfare; yeasts
Abstract:
... Human gut microbiota is a protective agent of intestinal and systemic health, and its modulation is of great interest for human wellbeing. In the world of biotics, besides probiotics, prebiotics, and synbiotics, also appears the denomination of “postbiotics” and “psychobiotics”. Fermented dairy products are, traditionally, the major source of probiotics. Nevertheless, due to the increasing number ...
DOI:
10.1016/j.foodres.2021.110842

12. Delay of Feed Post-Hatch Causes Changes in Expression of Immune-Related Genes and Their Correlation with Components of Gut Microbiota, but Does Not Affect Protein Expression

Author:
Miska Katarzyna B.; Kahl Stanislaw; Schreier Lori L.; Russell Beverly; Kpodo Kouassi R.; Wegla Monika K.
Source:
Animals 2022 v.12 no.10 pp. -
ISSN:
2076-2615
Subject:
Clostridium perfringens; Enterococcus; chickens; ileum; immune response; immune system; intestinal microorganisms; poultry industry
Abstract:
... Newly hatched chicks do not have access to feed until 48-72 h post-hatch based on standard practices in the poultry industry. How these practices affect the chicken's immune system is not well understood. In this study, we investigated the effect of a 48-h delay in access to feed on the expression of specific immune-related genes in the gut (ileum) of newly hatched chicks. We also analyzed the cor ...
Handle:
10113/7788754
DOI:
10.3390/ani12101316

13. Development of a rapid qPCR method to quantify lactic acid bacteria in cold-smoked salmon

Author:
Marc Jérôme; Delphine Passerini; Frédérique Chevalier; Laetitia Marchand; Françoise Leroi; Sabrina Macé
Source:
International journal of food microbiology 2022 v.363 pp. 109504
ISSN:
0168-1605
Subject:
Aerococcus; Carnobacterium; Enterococcus; Lactobacillus; Lactococcus; Leuconostoc; Macrococcus; Streptococcus; Vagococcus; Weissella; biodiversity; food microbiology; genes; lactic acid; quantitative polymerase chain reaction; seafoods; smoked salmon
Abstract:
... Quantification of lactic acid bacteria (LAB) is essential to control quality of seafood products like cold-smoked salmon (CSS). In the present study, we report the design and optimization of a dual-labelled TaqMan ™ probe targeting the V7 region of 16S rRNA gene for the detection of LAB in CSS. This quantitative PCR (qPCR) assays is useful for the simultaneous detection of the ten LAB genera commu ...
DOI:
10.1016/j.ijfoodmicro.2021.109504

14. Do the differences in egg contamination, penetration, and resistance against microorganisms among the hen genotypes exist?

Author:
Adam Kraus; Lukáš Zita; Ondřej Krunt; Darina Chodová; Monika Okrouhlá; Józefa Krawczyk
Source:
Annals of animal science 2022 v.22 no.2 pp. 561-574
ISSN:
2300-8733
Subject:
Enterococcus; Escherichia coli; White Leghorn; egg contamination; egg shell quality; egg weight; eggs; genotype; microbial contamination; partridges; storage time; temperature; weight loss
Abstract:
... The aim of this study was to evaluate and compare the impact of genotype and storage conditions (temperature and time) on microbiological contamination and eggshell quality. There were four genotypes of laying hens used, Czech Golden Spotted (CGS), Greenleg Partridge (GP), White Leghorn (WL) and commercial hybrid (CH) hens were included. After collection, the eggs were divided equally into five gr ...
DOI:
10.2478/aoas-2021-0056

15. Dynamics and correlation of microbial communities and metabolic compounds in doenjang-meju, a Korean traditional soybean brick

Author:
Hyung Min Kim; Dong Min Han; Ju Hye Baek; Byung Hee Chun; Che Ok Jeon
Source:
Food research international 2022 v.155 pp. 111085
ISSN:
0963-9969
Subject:
Aspergillus; Enterococcus; acetates; acetic acid; acetoin; bricks; butanol; butyric acid; cadaverine; carbon; fermentation; flavonoids; food research; fructose; glucose; glycerol; histamine; lactic acid; metabolites; principal component analysis; putrescine; soybeans; tyramine; volatile compounds
Abstract:
... To investigate the general fermentation characteristics of doenjang-meju (a Korean traditional soybean brick), they were periodically collected from eight different manufacturers during all fermentation stages, and their microbial communities and metabolic compounds (metabolites and volatile compounds) were analyzed. Bacillus and/or lactic acid bacteria (LAB, mainly Enterococcus) and Aspergillus w ...
DOI:
10.1016/j.foodres.2022.111085

16. Dysbiosis of the Human Urinary Microbiome and its Association to Diseases Affecting the Urinary System

Author:
Shehani Jayalath; Dhammika Magana-Arachchi
Source:
Indian journal of microbiology 2022 v.62 no.2 pp. 153-166
ISSN:
0046-8991
Subject:
Enterococcus; Klebsiella; Lactobacillus; Prevotella; Staphylococcus; Streptococcus; diabetes mellitus; diagnostic techniques; dysbiosis; genes; humans; hypertension; infancy; kidney diseases; microbiome; microorganisms; pathophysiology; renal function; ribosomal RNA; species richness; therapeutics; urine
Abstract:
... The human urinary microbiome, also termed urobiome, has been overlooked due to the clinical dogma of sterile urine, as reported by routine culture. However, evolving sensitive tools such as expanded quantitative urine culture, 16S ribosomal RNA gene sequencing, and next-generation sequencing have discovered a vast number of microorganisms present in urine, even in healthy individuals. Microbiome d ...
DOI:
10.1007/s12088-021-00991-x

17. Effect of blending encapsulated essential oils and organic acids as an antibiotic growth promoter alternative on growth performance and intestinal health in broilers with necrotic enteritis

Author:
Van Hieu Pham; Waseem Abbas; Jinyu Huang; Qiang He; Wenrui Zhen; Yuming Guo; Zhong Wang
Source:
Poultry science 2022 v.101 no.1 pp. 101563
ISSN:
0032-5791
Subject:
Eimeria; Enterococcus; Lactobacillus; bacitracin; blood serum; broiler chickens; cecum; dextran; diet; encapsulation; feed conversion; fluorescein; gene expression; glucagon-like peptide 2; growth performance; growth promotion; immune system; insulin-like growth factor II; intestinal microorganisms; isothiocyanates; jejunum; liver; males; monensin; necrotic enteritis; occludins; tumor necrosis factors
Abstract:
... The effects of a blend of encapsulated organic acids with essential oils (EOA) as an alternative to antimicrobial growth promoter (AGP) on growth performance and gut health of Eimeria spp./Clostridium perfringens (C. perfringens) in chickens infected with necrotic enteritis (NE) broilers was investigated. A total of 432 male Arbor Acres broilers (1-day-old) were randomly distributed into 6 treatme ...
DOI:
10.1016/j.psj.2021.101563

18. Effect of inoculum pretreatment on the microbial and metabolic dynamics of food waste dark fermentation

Author:
Lijun Luo; Saranya Sriram; Davidraj Johnravindar; Thomas Louis Philippe Martin; Jonathan W.C. Wong; Nirakar Pradhan
Source:
Bioresource technology 2022 v.358 pp. 127404
ISSN:
0960-8524
Subject:
Clostridium; Enterococcus; Prevotella; Proteobacteria; Streptococcus; acetates; biotransformation; butyrates; fermentation; food waste; heat; hydrogen; inoculum; sludge
Abstract:
... This study systematically evaluated and compared different inoculum pretreatment methods to quickly select dark fermentative bacteria from anaerobic sludge for the bioconversion of food waste. The hydrogen (H₂) production rate was found to be highest for 'heat + CO₂′ treated inoculum at 140.75 ± 2.61 mL/L/h compared to control experiments (60.27 ± 2.61 mL/L/h). At the same time, H₂ yield was found ...
DOI:
10.1016/j.biortech.2022.127404

19. Effectiveness of two wastewater disinfection strategies for the removal of fecal indicator bacteria, bacteriophage, and enteric viral pathogens concentrated using dead-end hollow fiber ultrafiltration (D-HFUF)

Author:
Asja Korajkic; Julie Kelleher; Orin C. Shanks; Michael P. Herrmann; Brian R. McMinn
Source:
Science of the total environment 2022 v.831 pp. 154861
ISSN:
0048-9697
Subject:
Adenoviridae; Bacteroides; Enterococcus; Escherichia coli; Norovirus; Polyomaviridae; chlorination; chlorine; coliphages; disinfection; environment; humans; probability; spring; temperature; ultrafiltration; ultraviolet radiation; wastewater; wastewater treatment
Abstract:
... Primary influent and final effluent samples were collected from wastewater treatment plants using either chlorination or ultraviolet (UV) disinfection biweekly for one year. Paired measurements were determined for fecal indicator bacteria (Escherichia coli and enterococci), cultivated bacteriophages (somatic, F+, and CB-390 coliphage and GB-124 Bacteroides phage), human-associated viral markers (h ...
DOI:
10.1016/j.scitotenv.2022.154861

20. Effects of different amino acid levels and a carvacrol–thymol blend on growth performance and intestinal health of weaned pigs

Author:
Yanan Wang; Zhipeng Yang; Yuanfei Zhou; Jiajian Tan; Haiqing Sun; Defa Sun; Yuyun Mu; Jian Peng; Hongkui Wei
Source:
Journal of animal science and biotechnology 2022 v.13 no.1 pp. 22
ISSN:
2049-1891
Subject:
Enterococcus; Escherichia coli; Lactobacillus; amino acids; animal husbandry; antibiotic resistance; antibiotics; antioxidant activity; average daily gain; biotechnology; carvacrol; diarrhea; dietary supplements; endotoxins; feed conversion; growth performance; growth promotion; immunoglobulin A; interleukin-6; intestines; lactic acid; malondialdehyde; metabolism; mucins; thymol; urea nitrogen
Abstract:
... BACKGROUND: Over the past years, antibiotic growth promoter had been restricted in animal husbandry production in many countries because of antimicrobial resistance and foodborne antibiotic residues. However, the problems of poor intestinal health and low growth efficiency of piglets have not been solved completely in an antibiotic-free diet, and it is urgent to explore alternatives to antimicrobi ...
DOI:
10.1186/s40104-022-00674-7

21. Effects of osmotic and high pressure stress on expression of virulence factors among Enterococcus spp. isolated from food of animal origin

Author:
Urszula Zarzecka; Anna Zadernowska; Wioleta Chajęcka-Wierzchowska
Source:
Food microbiology 2022 v.102 pp. 103900
ISSN:
0740-0020
Subject:
Enterococcus; animal-based foods; biofilm; food microbiology; food preservation; food safety; hemolysis; public health; virulence
Abstract:
... The aim of study was to determine the occurrence of virulence factors and virulence-related genes among enterococci isolated from food of animal origin and effects of osmotic and high pressure stress on expression of virulence-related genes. The number of 78 isolates were analyzed. None of them showed a strong ability to form biofilm, 38.5% (n = 30) had the slime production ability, 41% (n = 32) h ...
DOI:
10.1016/j.fm.2021.103900

22. Enterococcal biofilm—A nidus for antibiotic resistance transfer?

Author:
Michael Conwell; James S. G. Dooley; Patrick J. Naughton
Source:
Journal of applied microbiology 2022 v.132 no.5 pp. 3444-3460
ISSN:
1364-5072
Subject:
Enterococcus; Neottia; antibiotic resistance; biofilm; horizontal gene transfer; hospitals; plasmids; pollution
Abstract:
... Enterococci, which are on the WHO list of priority pathogens, are commonly encountered in hospital acquired infection and are becoming increasing significant due to the development of strains resistant to multiple antibiotics. Enterococci are also important microorganisms in the environment, and their presence is frequently used as an indicator of faecal pollution. Their success is related to thei ...
DOI:
10.1111/jam.15441

23. Enterococcal symbionts of caterpillars facilitate the utilization of a suboptimal diet

Author:
Bosheng Chen; Charles J. Mason; Michelle Peiffer; Dayu Zhang; Yongqi Shao; Gary W. Felton
Source:
Journal of insect physiology 2022 v.138 pp. 104369
ISSN:
0022-1910
Subject:
Enterococcus; Spodoptera frugiperda; bacterial communities; bioassays; body weight; diet; digestive system; germ-free animals; insect physiology; phylogeny; pinto beans; symbionts; toxins; wheat; wheat germ
Abstract:
... Bacterial gut symbionts of insect herbivores can impact their host through different mechanisms. However, in most lepidopteran systems we lack experimental examples to explain how specific members of the gut bacterial community influence their host. We used fall armyworm (Spodoptera frugiperda) as a model system to address this objective. We implemented axenic and gnotobiotic techniques using two ...
DOI:
10.1016/j.jinsphys.2022.104369

24. Ferric chloride aiding nitrite pretreatment for the enhancement of the quantity and quality of short-chain fatty acids production in waste activated sludge

Author:
Yue Lu; Xunkuo Zhang; Xuran Liu; Qi Lu; Zijing Li; Jun Xiao; Yifu Li; Xingxin Hu; Qingqing Xie; Dongbo Wang
Source:
Water research 2022 v.219 pp. 118569
ISSN:
0043-1354
Subject:
Enterococcus; acetic acid; activated sludge; biodegradability; community structure; fermentation; ferric chloride; fluorescence; microbial communities; nitrites; nitrous acid; organic matter; propionic acid; research; sewage treatment; water
Abstract:
... The production of short-chain fatty acids (SCFAs) via anaerobic fermentation of waste activated sludge (WAS) is often limited with poor quality of SCFAs and long fermentation time. To overcome these issues, we provided an efficient strategy by using ferric chloride (FC) to aid nitrite pretreatment. Experimental results showed that the maximal SCFAs production of 211.3 ± 3.1 mg COD/g VS was achieve ...
DOI:
10.1016/j.watres.2022.118569

25. First report of gut bacterial dataset of a tribal Bhutia family from West Bengal, India

Author:
Souradip Basu; Kaustav Das; Mahashweta Mitra Ghosh; Rajat Banerjee; Subrata Sankar Bagchi; Sayak Ganguli
Source:
Data in Brief 2022 v.41 pp. 107859
ISSN:
2352-3409
Subject:
Bacteroides; Bifidobacterium; Eggerthella; Enterococcus; Ruminococcus; Streptococcus; Western diets; data collection; digestive system; feces; females; landscapes; livelihood; males; metagenomics; quality control; India
Abstract:
... The tribes of West Bengal are distributed in geographically distinct regions with distinctive features of their habitats and many of these tribes still practice a traditional livelihood avoiding the western diet. Hence, it is expected that their gut should remain pristine. In this study, we report the gut bacterial abundance of a Drukpa Bhutia tribal family of Lepchakha, inhabiting the hilly terra ...
DOI:
10.1016/j.dib.2022.107859

26. Ganoderma applanatum polysaccharides and ethanol extracts promote the recovery of colitis through intestinal barrier protection and gut microbiota modulations

Author:
Miaoyu Li; Leilei Yu; Qixiao Zhai; Bingshu Liu; Jianxin Zhao; Hao Zhang; Wei Chen; Fengwei Tian
Source:
Food & function 2022 v.13 no.2 pp. 688-701
ISSN:
2042-650X
Subject:
Enterococcus; Ganoderma applanatum; Staphylococcus; body weight; colitis; colon; dextran; dysbiosis; ethanol; histology; homeostasis; inflammation; intestinal microorganisms; mortality; protective effect; sodium sulfate; therapeutics
Abstract:
... Inflammatory bowel disease is associated with intestinal homeostasis dysregulation and gut microbiota dysbiosis. This study aimed to investigate the protective effect of Ganoderma applanatum extracts (G. applanatum polysaccharides (GAP) and 75% ethanol extracts (GAE)) on colon inflammation and elucidate the therapeutic mechanism. GAP and GAE showed considerable protective effects against dextran s ...
DOI:
10.1039/d1fo03677g

27. Glenthmycins A–M: Macrocyclic Spirotetronate Polyketide Antibacterials from the Australian Pasture Plant-Derived Streptomyces sp. CMB-PB041

Author:
Taizong Wu; Angela A. Salim; Zeinab G. Khalil; Paul V. Bernhardt; Robert J. Capon
Source:
Journal of natural products 2022 v.85 no.6 pp. 1641-1657
ISSN:
1520-6025
Subject:
Clostridium botulinum; Enterococcus; Rhodococcus equi; Streptomyces; X-radiation; anthrax; antibacterial properties; biosynthesis; botulism; carcinoma; chemical degradation; cytotoxicity; derivatization; fungi; humans; hydrolysis; livestock; methicillin-resistant Staphylococcus aureus; pastures; pharmacology; pneumonia; polyketides; spectral analysis; structure-activity relationships; sugars
Abstract:
... Chemical investigation of Australian pasture plant-derived Streptomyces sp. CMB-PB041, supported by miniaturized cultivation profiling and molecular network analysis, led to the isolation and characterization of 13 new macrocyclic spirotetronates, glenthmycins A–M (1–13), with structures assigned by detailed spectroscopic analysis, chemical degradation and derivatization, and mechanistic and biosy ...
DOI:
10.1021/acs.jnatprod.2c00444

28. Hermetia illucens meal inclusion in low-fishmeal diets for rainbow trout (Oncorhynchus mykiss): Effects on the growth performance, nutrient digestibility coefficients, selected gut health traits, and health status indices

Author:
I. Biasato; G. Chemello; S. Bellezza Oddon; I. Ferrocino; M.R. Corvaglia; C. Caimi; A. Resconi; A. Paul; M. van Spankeren; M.T. Capucchio; E. Colombino; L. Cocolin; F. Gai; A. Schiavone; L. Gasco
Source:
Animal feed science and technology 2022 v.290 pp. 115341
ISSN:
0377-8401
Subject:
Actinomyces; Bacteroidetes; Campylobacter; Clostridium; Enterococcus; Hermetia illucens; Lactobacillus; Lactococcus; Leuconostoc; Listeria; Oncorhynchus mykiss; Pediococcus; Staphylococcus; Vagococcus; Weissella; animal growth; condition factor; digestibility; feeds; fish; growth performance; health status; intestinal microorganisms; intestines; liver; spleen; stomach; technology
Abstract:
... The effects of including Hermetia illucens (HI) meal in rainbow trout diets have been widely characterized, but data related to its utilization in low-fishmeal (FM) diets are quite scarce. The current research investigated the impact of HI meal inclusion in low-FM diets for rainbow trout by assessing fish growth performance, nutrient digestibility, histomorphological traits of intestine and main o ...
DOI:
10.1016/j.anifeedsci.2022.115341

29. Infection microenvironment-related antibacterial nanotherapeutic strategies

Author:
Zhe Wang; Xingyun Liu; Yanwen Duan; Yong Huang
Source:
Biomaterials 2022 v.280 pp. 121249
ISSN:
0142-9612
Subject:
Enterococcus; antibacterial properties; antibiotic resistance; bacterial infections; biocompatible materials; biofilm; drug development; heat; magnetism; methicillin-resistant Staphylococcus aureus; multiple drug resistance; nanocarriers; phagosomes; photons; plankton; public health
Abstract:
... The emergence and spread of antibiotic resistance is one of the biggest challenges in public health. There is an urgent need to discover novel agents against the occurrence of multidrug-resistant bacteria, such as methicillin-resistant Staphylococcus aureus and vancomycin-resistant enterococci. The drug-resistant pathogens are able to grow and persist in infected sites, including biofilms, phagoso ...
DOI:
10.1016/j.biomaterials.2021.121249

30. Insight into the correlation between microbial diversity and flavor profiles of traditional dry-cured duck from the metabolomic perspective

Author:
Xiao-min Li; Jie-ying Deng; Ying Wu; Wen Nie; Zhao-ming Wang; Hui Zhou; Bao-cai Xu
Source:
Food research international 2022 v.156 pp. 111349
ISSN:
0963-9969
Subject:
Aspergillus; Blumeria; Cladosporium; Debaryomyces; Enterococcus; Macrococcus; Psychrobacter; Staphylococcus; Starmerella; Trichophyton; amino acids; cured meats; ducks; flavor; food research; fungi; furans; isoflavones; metabolites; metabolomics; modernization; polyols; polypeptides
Abstract:
... The purpose of this work was to reveal the relationship between the microbial diversity and flavor profiles of traditional dry-cured duck from a metabolomic perspective. Enterococcus, Psychrobacter, Macrococcus, Salinivbrio, and Staphylococcus were the dominant bacterial genera, while Trichophyton, Kurtzmaniella, Blumeria, Cladosporium, Lysurus, Aspergillus, Starmerella and Debaryomyces were the d ...
DOI:
10.1016/j.foodres.2022.111349

31. Insights into the mode of action of the two-peptide lantibiotic lichenicidin

Author:
Joana C. Barbosa; Sónia Gonçalves; Marcin Makowski; Ítala C. Silva; Tânia Caetano; Tanja Schneider; Eva Mösker; Roderich D. Süssmuth; Nuno C. Santos; Sónia Mendo
Source:
Colloids and surfaces 2022 v.211 pp. 112308
ISSN:
0927-7765
Subject:
Enterococcus; Gram-positive bacteria; antibiotic resistance; atomic force microscopy; lantibiotics; lipids; mechanism of action; methicillin-resistant Staphylococcus aureus; peptides; synergism; zeta potential
Abstract:
... Lantibiotics are promising candidates to address the worldwide problem of antibiotic resistance. They belong to a class of natural compounds exhibiting strong activity against clinically relevant Gram-positive bacterial strains, including methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococci (VRE). Lichenicidin is a class II two-peptide lantibiotic. The presence o ...
DOI:
10.1016/j.colsurfb.2021.112308

32. Isolation of Hermetia illucens larvae core gut microbiota by two different cultivation strategies

Author:
Yina Cifuentes; Andreas Vilcinskas; Peter Kämpfer; Stefanie P. Glaeser
Source:
Antonie van Leeuwenhoek 2022 v.115 no.6 pp. 821-837
ISSN:
0003-6072
Subject:
Actinobacteria; Enterococcus; Hermetia illucens; Morganella; Proteus; Providencia; biomass; chickens; digestive system; genes; genetic variation; genomics; genotyping; intestinal microorganisms; nucleotide sequences; organic wastes; phylogeny
Abstract:
... Hermetia illucens larvae (black soldier fly larvae, BSFL) convert efficiently organic waste to high quality biomass. To gain knowledge on the specific functions of gut microbes in this process it is a prerequisite to culture members of the core gut microbiota. Two different cultivation strategies were applied here for this purpose, a dilution-to-extinction cultivation and direct plating using six ...
DOI:
10.1007/s10482-022-01735-7

33. Microbial Diversity and Metabolites Dynamic of Light-Flavor Baijiu with Stacking Process

Author:
Zhaojie Li; Yi Fan; Xiaoning Huang; Beizhong Han
Source:
Fermentation 2022 v.8 no.2 pp. -
ISSN:
2311-5637
Subject:
Enterococcus; Lactobacillus; Pichia; acetates; community structure; fermentation; flavor; glucose; metabolites; microbial communities
Abstract:
... Stacking is a widely used method of microbial enrichment in the field of fermentation and is traditionally used to promote flavor in Chinese sauce-flavor Baijiu; however, its precise mechanism is unknown. This study assessed the fermentation process of light-flavor Baijiu with the simplest microbial source. After comparing differences in the microbial composition of different kinds of Daqu, a high ...
DOI:
10.3390/fermentation8020067

34. Microbial Quality and Growth Dynamics in Shameta: A Traditional Ethiopian Cereal-Based Fermented Porridge

Author:
Daniel A. Kitessa; Ketema Bacha; Yetenayet B. Tola; Mary Murimi; Soressa Gershe; Meseret Guta
Source:
Fermentation 2022 v.8 no.3 pp. -
ISSN:
2311-5637
Subject:
Enterococcus; Lactobacillus; barley; corn; fermentation; lactic acid; microbiological quality; porridge
Abstract:
... Shameta is a traditional, Ethiopian, cereal-based fermented porridge exclusively prepared for lactating mothers. The aim of this study was to determine the microbial quality of Shameta samples collected from households of lactating mothers and to determine microbial dynamics and physicochemical changes during laboratory fermentation of Shameta. Isolation and characterization of the dominant microb ...
DOI:
10.3390/fermentation8030124

35. Microbiological and Physicochemical Characterization of Irrigation Water in Market Gardening in Korhogo

Author:
Ollo Kambire; Konan Mathurin Yao; Natchia Aka; Karidja Emilie Bamba; Rose Koffi-Nevry
Source:
The scientific world journal 2022 v.2022 pp. -
ISSN:
1537-744X
Subject:
Aspergillus; Clostridia; Enterococcus; Escherichia coli; agar; ammonium; electrical conductivity; gardens; irrigation; irrigation water; markets; microfiltration; pH; temperature
Abstract:
... Several sources of water are used by farmers without concern for quality, which can have consequences on the health of the consumer of market garden products. The aim of this study is to evaluate the microbiological and physicochemical qualities of irrigation water. Microorganisms were counted using the membrane filtration and incorporation into the agar methods. The physicochemical parameters wer ...
DOI:
10.1155/2022/3167581

36. Molecular Epidemiology of Vancomycin-Resistant Enterococci Bloodstream Infections in Germany: A Population-Based Prospective Longitudinal Study

Author:
Carlos L. Correa-Martínez; Annette Jurke; Janne Schmitz; Frieder Schaumburg; Stefanie Kampmeier; Alexander Mellmann
Source:
Microorganisms 2022 v.10 no.1 pp. -
ISSN:
2076-2607
Subject:
Enterococcus; blood flow; epidemiological studies; females; geographical distribution; glycopeptides; longitudinal studies; males; molecular epidemiology; multilocus sequence typing; public health; Central European region; Germany
Abstract:
... Vancomycin-resistant enterococci (VRE) pose a public health challenge worldwide. While VRE bloodstream infections (VREBI) increase in Germany and Europe, population-based molecular data are scarce. We aimed to analyze the molecular epidemiology, demographic aspects, and geographical distribution of VREBI in the German Federal State of North-Rhine–Westphalia (NRW), located in the German–Dutch–Belgi ...
DOI:
10.3390/microorganisms10010130

37. New insights into metabolomics profile generation in fermented tea: the relevance of bacteria and metabolites in Fuzhuan brick tea

Author:
Fei Xia; Song Hu; Xue Zheng; Meng‐Wen Wang; Chu‐Chu Zhang; Zi‐Ning Wu; Yu‐Jiao Sun
Source:
Journal of the science of food and agriculture 2022 v.102 no.1 pp. 350-359
ISSN:
0022-5142
Subject:
Carnobacterium; Enterococcus; Eurotium; Lactococcus; agriculture; biochemical pathways; cell growth; fermentation; fungal communities; fungi; liquid chromatography; mass spectrometry; metabolites; metabolomics; saprotrophs; tea
Abstract:
... BACKGROUND: The contribution of bacteria to fermented tea is not clear and the associated research is relatively limited. To reveal the role of microorganisms in fermented tea processing, the microbial community and metabolites of Fuzhuan brick tea (FBT), a Chinese traditional fermented tea, were revealed via high‐throughput sequencing and liquid chromatography‐mass spectrometry (LC‐MS). RESULTS: ...
DOI:
10.1002/jsfa.11365

38. Novel insight into the formation mechanism of umami peptides based on microbial metabolism in Chouguiyu, a traditional Chinese fermented fish

Author:
Daqiao Yang; Chunsheng Li; Laihao Li; Yueqi Wang; Yanyan Wu; Shengjun Chen; Yongqiang Zhao; Ya Wei; Di Wang
Source:
Food research international 2022 v.157 pp. 111211
ISSN:
0963-9969
Subject:
Acinetobacter; Enterococcus; Peptostreptococcus; Psychrobacter; Vagococcus; fermentation; fermented fish; fish; food research; hydrolysis; lactic acid; metagenomics; myosin; peptides; peptidomics; proteinases; taste; umami
Abstract:
... Umami peptides formed by microbial metabolism play an important role in the umami taste of Chouguiyu. In this study, 138 umami peptides and 6 kinds of proteases in two categories from 35 microbial genera were identified from Chouguiyu during the fermentation process by peptidomics and metagenomics analysis, respectively. The interaction network maps between the umami peptides and protease-producin ...
DOI:
10.1016/j.foodres.2022.111211

39. Occurrence of antibiotic resistance genes and multidrug-resistant bacteria during wastewater treatment processes

Author:
Mingyeong Kang; Jihye Yang; Suhyun Kim; Jaeeun Park; Misung Kim; Woojun Park
Source:
Science of the total environment 2022 v.811 pp. 152331
ISSN:
0048-9697
Subject:
Chryseobacterium; Enterococcus; Escherichia; aeration; aminoglycosides; anaerobic digestion; antibiotic resistance; antibiotic resistance genes; bacterial communities; drugs; environment; genomics; horizontal gene transfer; multiple drug resistance; sludge; wastewater treatment
Abstract:
... Wastewater treatment plants (WWTPs) constantly receive a wide variety of contaminants, including pharmaceuticals, and are potential reservoirs of antibiotic resistance genes (ARGs). This favors the development of multidrug-resistant bacteria (MRB) through horizontal gene transfer. Samples from five different WWTP processes were collected in September 2020 and January 2021 to monitor ARG resistomes ...
DOI:
10.1016/j.scitotenv.2021.152331

40. Occurrence of emerging multiresistant pathogens in the production chain of artisanal goat coalho cheese in Brazil

Author:
Breno Bezerra Aragão; Sabrina Cândido Trajano; Raylson Pereira de Oliveira; Maria da Conceição Carvalho; Rafaella Grenfell de Carvalho; Maria Aparecida Juliano; José Wilton Pinheiro Junior; Rinaldo Aparecido Mota
Source:
Comparative immunology, microbiology, and infectious diseases 2022 v.84 pp. 101785
ISSN:
0147-9571
Subject:
Aerococcus viridans; Aureobasidium pullulans; Bacillus (bacteria); Corynebacterium; Enterobacter; Enterococcus; Filifactor villosus; Kocuria kristinae; Macrococcus caseolyticus; Staphylococcus; goat cheese; goats; human health; immunology; phenotype; polymerase chain reaction; traditional technology; Brazil
Abstract:
... Sanitary-hygienic failures in cheese making can pose health risks to consumers. This study aimed to identify multiresistant pathogens in different production stages of artisanal goat coalho cheese in Brazil and characterize their phenotypic and genotypic resistance. Eleven properties in the state of Pernambuco, Brazil, participated in the study. Samples were obtained from different stages of produ ...
DOI:
10.1016/j.cimid.2022.101785

41. Occurrence of toxic metals and their selective pressure for antibiotic-resistant clinically relevant bacteria and antibiotic-resistant genes in river receiving systems under tropical conditions

Author:
Dhafer Mohammed M. Al Salah; Amandine Laffite; Periyasamy Sivalingam; John Poté
Source:
Environmental science and pollution research 2022 v.29 no.14 pp. 20530-20541
ISSN:
0944-1344
Subject:
Enterococcus; Escherichia coli; antibiotic resistance; hospitals; humans; organic matter; pollution; research; rivers; sediments; toxicity; wastewater; Democratic Republic of the Congo
Abstract:
... The co-occurrence of heavy metals, antibiotic-resistant bacteria (ARB) and antibiotic-resistance genes (ARGs) from hospital effluents spreading into the river receiving systems and evaluating associated risks are topics of scientific interest and still under-studied in developing countries under tropical conditions. To understand the selectors of the ARGs, we examined the occurrence of heavy metal ...
DOI:
10.1007/s11356-021-17115-z

42. Prevalence and characterization of antibiotic resistant bacteria in raw community sewage from diverse urban communities

Author:
Francis Rathinam Charles; Jit Xin Lim; Hongjie Chen; Shin Giek Goh; Yiliang He; Karina Yew-Hoong Gin
Source:
Science of the total environment 2022 v.825 pp. 153926
ISSN:
0048-9697
Subject:
Enterococcus; Escherichia coli; Klebsiella pneumoniae; Pseudomonas aeruginosa; Singapore; antibiotic resistance; carbapenems; clindamycin; demographic statistics; environment; gentamicin; monitoring; multiple drug resistance; nitrofurans; opportunistic pathogens; penicillins; quinolones; sewage; vancomycin; wastewater
Abstract:
... Community sewage is a useful medium for antimicrobial resistance (AMR) surveillance of populations residing in urban dwellings as it provides the resolution of tracking sources of AMR from different waste streams within a community. Antibiotic resistance profiles of 4 opportunistic pathogens were compared from 3 sewage sources: raw community sewage from 2 housing estates, a foreign workers dormito ...
DOI:
10.1016/j.scitotenv.2022.153926

43. Prevalence of enteric opportunistic pathogens and extended-spectrum cephalosporin- and carbapenem-resistant coliforms and genes in wastewater from municipal wastewater treatment plants in Croatia

Author:
Ana Puljko; Milena Milaković; Stela Križanović; Josipa Kosić-Vukšić; Ivana Babić; Ines Petrić; Ana Maravić; Marko Jelić; Nikolina Udiković-Kolić
Source:
Journal of hazardous materials 2022 v.427 pp. 128155
ISSN:
0304-3894
Subject:
Enterococcus; Escherichia coli; beta-lactamase; coliform bacteria; municipal wastewater; public health; quantitative polymerase chain reaction; risk; wastewater treatment; watersheds; Croatia
Abstract:
... Extended-spectrum β-lactamase (ESBL)- and carbapenemase-producing Enterobacterales are a critical global health problem and wastewater treatment plants (WWTPs) can promote their spread into the environment; yet their efficacy is not well characterized. Here, we have used conventional culturing to monitor coliform bacteria and quantitative PCR to monitor 2 ESBL and 5 carbapenemase (CP) genes and 4 ...
DOI:
10.1016/j.jhazmat.2021.128155

44. Probiotics analysis by high-throughput sequencing revealed multiple mismatches at bacteria genus level with the declared and actual composition

Author:
Mikhail Syromyatnikov; Ekaterina Nesterova; Maria Gladkikh; Vasily Popov
Source:
Lebensmittel-Wissenschaft + Technologie 2022 v.156 pp. 113055
ISSN:
0023-6438
Subject:
Bifidobacterium; Enterococcus; Lactobacillus; Propionibacterium; markets; probiotics; quality control; taste; transportation
Abstract:
... The unregulated probiotic market can lead to serious health consequences. The aim of this study was to analyze commercially available probiotics using high-throughput sequencing. Nine out of seventeen probiotics contained all the bacterial genera declared by the manufacturer, however, in addition to them, extraneous genera of bacteria were found. The most common genus of bacteria in the studied sa ...
DOI:
10.1016/j.lwt.2021.113055

45. Quantitative microbial risk assessment associated with ready-to-eat salads following the application of farmyard manure and slurry or anaerobic digestate to arable lands

Author:
Rajat Nag; Lauren Russell; Stephen Nolan; Agathe Auer; Bryan K. Markey; Paul Whyte; Vincent O'Flaherty; Declan Bolton; Owen Fenton; Karl G. Richards; Enda Cummins
Source:
Science of the total environment 2022 v.806 pp. 151227
ISSN:
0048-9697
Subject:
Clostridium perfringens; Cryptosporidium parvum; Enterococcus; Escherichia coli; Listeria monocytogenes; Mycobacterium avium; Norovirus; Salmonella Newport; agricultural land; anaerobic digestion; animal manures; environment; farm to fork; humans; industry; microbiological risk assessment; pasteurization; plant development; probabilistic models; ready-to-eat foods; refrigeration; risk; risk estimate; safety assessment; slurries
Abstract:
... Farmyard manure and slurry (FYM&S) and anaerobic digestate are potentially valuable soil conditioners providing important nutrients for plant development and growth. However, these organic fertilisers may pose a microbial health risk to humans. A quantitative microbial risk assessment (QMRA) model was developed to investigate the potential human exposure to pathogens following the application of F ...
DOI:
10.1016/j.scitotenv.2021.151227

46. Removal of protozoan (oo)cysts and bacteria during microalgae harvesting: Outcomes from a lab-scale experiment

Author:
Gabriela Laila de Oliveira; Ana Paula Erbetta Sueitt; Priscila Ribeiro dos Santos; Luan de Souza Leite; Luiz Antonio Daniel
Source:
Chemosphere 2022 v.286 pp. 131767
ISSN:
0045-6535
Subject:
Chlorella sorokiniana; Clostridium; Cryptosporidium; Enterococcus; Escherichia coli; Giardia; air; coagulants; coagulation; flocculation; microalgae; oocysts; pH; photobioreactors
Abstract:
... The efficiency of microalgae harvesting on the removal of Giardia spp. cysts, Cryptosporidium spp. oocysts, total coliforms, Escherichia coli, Enterococcus spp. and Clostridium spp. was assessed in lab-scale experiments (Jartest and Flotatest) using effluent from a flat panel photobioreactor used for Chlorella sorokiniana cultivation. Three harvesting methods were evaluated: (1) flocculation induc ...
DOI:
10.1016/j.chemosphere.2021.131767

47. Repeated hydrogen peroxide dosing briefly reduces cyanobacterial blooms and microcystin while increasing fecal bacteria indicators in a eutrophic pond

Author:
Mark W. Lusty; Christopher J. Gobler
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 522-543
ISSN:
1001-0742
Subject:
Actinobacteria; Enterococcus; Escherichia coli; Microcystis; Planctomycetes; biomass; eutrophication; fecal bacteria; flow cytometry; fluorometry; genes; hydrogen peroxide; microcystins; microscopy; surface water; China
Abstract:
... This study explored the effects of H₂O₂ on Cyanobacteria and non-target microbes using fluorometry, microscopy, flow cytometry, and high throughput DNA sequencing of the 16S rRNA gene during a series of mesocosm and whole-ecosystem experiments in a eutrophic pond in NY, USA. The addition of H₂O₂ (8 mg/L) significantly reduced Cyanobacteria concentrations during a majority of experiments (66%; 6 of ...
DOI:
10.1016/j.jes.2021.11.031

48. Responses of human gut microbiota abundance and amino acid metabolism in vitro to berberine

Author:
Yousi Fu; Yali Wang; Xingguo Wang; Yidan Sun; Jianlin Ren; Baishan Fang
Source:
Food & function 2022 v.13 no.11 pp. 6329-6337
ISSN:
2042-650X
Subject:
Bifidobacterium; Enterococcus; Streptococcus; acetic acid; amino acid metabolism; berberine; butyric acid; fermentation; glutamic acid; humans; intestinal microorganisms; intestines; metabolomics; propionic acid; serine; therapeutics; tyrosine
Abstract:
... The intestine is a potential location for berberine (BBR) to exert its therapeutic effects, but the understanding of the influences of BBR on the gut microbiota is limited. Through in vitro fermentation of human intestinal microbiota, we investigated the effects of BBR on microbiota composition and metabolism. The result indicated that BBR reduced the production of acetic acid and propionic acid a ...
DOI:
10.1039/d1fo04003k

49. Revealing the bacterial abundance and diversity in brines from started Spanish-style green table olives

Author:
D. Correa-Galeote; I. Ghomari; A. Asehraou; J. González-López
Source:
Lebensmittel-Wissenschaft + Technologie 2022 v.160 pp. 113212
ISSN:
0023-6438
Subject:
Alkalibacterium; Amphibacillus; Enterococcus; Marinilactibacillus; Pediococcus; Vibrio; Weissella; fermentation; inoculum; olives
Abstract:
... The influence of the inoculum on bacterial communities of Spanish-style green table olive brinesis very limited. This work assessed the size and structure of the bacterial communities in olive brines inoculated with Lactiplantibacillus plantarum. Also, a new qPCR assay was developed to determine the specific abundance of this genus. Absolute abundances of total Bacteria and L.plantarum decrease st ...
DOI:
10.1016/j.lwt.2022.113212

50. Screening and characterization of lipase producing bacteria isolated from the gut of a lepidopteran larvae, Samia ricini

Author:
Kondwani MsangoSoko; Sakshi Gandotra; Ramcharan Bhattacharya; Balasubramanian Ramakrishnan; Kirti Sharma; Sabtharishi Subramanian
Source:
Journal of Asia-Pacific entomology 2022 v.25 no.1 pp. 101856
ISSN:
1226-8615
Subject:
Acinetobacter; Enterobacter; Enterococcus; Pseudomonas; Samia ricini; biotechnology; butyrates; carboxylic ester hydrolases; entomology; foregut; industrial applications; lipolysis; midgut; pH; phylogeny; probiotics; rhodamines; ribosomal RNA; silk; silkworms; temperature
Abstract:
... Lipolytic enzymes are an important group of hydrolases that have found immense industrial application in biotechnology. In this study, the ability of gut bacteria isolated from the gut of the Eri silkworm, Samia ricini, to produce lipolytic enzymes was evaluated through qualitative and quantitative assays. The results of lipase screening showed that 28 isolates had lipolytic activity. The results ...
DOI:
10.1016/j.aspen.2021.101856