U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PubAg

Main content area

You searched for: Subject "Clostridium" Remove constraint Subject: "Clostridium"
Start Over

Search

9,691  Search Results

« Previous | 1 - 20 of 9,691 |
Number of results to display per page

Search Results

1. Renewable biohydrogen production from Clostridium sp. LQ25 using different forms of ferric as electron acceptor

Author:
Shan Zhang; Xiaodan Zhang; Yuan Yuan; Kaiqiang Li; Hongyan Liu
Source:
Science of the total environment 2023 v.855 pp. 158911
ISSN:
0048-9697
Subject:
Clostridium,   etc   ; butyrates; citrates; environment; fermentation; ferric hydroxide; gene expression regulation; glucose; hydrogen production;     Show all 9 Subjects
Abstract:
... Clostridium sp. LQ25 was cultured in different forms of ferric (ferric citrate and ferric hydroxide) as electron acceptors to investigate growth, ferric reduction, hydrogen production, fermentation products and fermentation process. The growth of the strain LQ25 detected by protein was 82.8 ± 2.1 mg/L and 73.5 ± 1.7 mg/L using ferric citrate and ferric hydroxide as electron acceptors, which was 33 ...
DOI:
10.1016/j.scitotenv.2022.158911

2. Directional immobilization of D-allulose 3-epimerase using SpyTag/SpyCatcher strategy as a robust biocatalyst for synthesizing D-allulose

Author:
Xin Gao; Cancan Wei; Hongbin Qi; Chao Li; Fuping Lu; Hui-Min Qin
Source:
Food chemistry 2023 v.401 pp. 134199
ISSN:
0308-8146
Subject:
Clostridium cellulolyticum,   etc   ; biocatalysts; biosynthesis; catalytic activity; food chemistry; foods; fructose; fruits; pH; psicose;     Show all 10 Subjects
Abstract:
... D-Allulose, as low-calorie rare sugar, possessed several notable biological activities and was biosynthesized by D-allulose 3-epimerase (DAEase). Here, CcDAE from Clostridium cellulolyticum was successfully immobilization via covalent attachment (RI-CcDAE), and Resin-SpyCatcher/SpyTag-CcDAE modular (DI-CcDAE). Both immobilized CcDAEs exhibited higher thermal and pH stabilities than the free form, ...
DOI:
10.1016/j.foodchem.2022.134199

3. The positive correlation of antioxidant activity and prebiotic effect about oat phenolic compounds

Author:
Yunzhen Zhang; Yueqin Li; Xiaxia Ren; Xin Zhang; Zufang Wu; Lianliang Liu
Source:
Food chemistry 2023 v.402 pp. 134231
ISSN:
0308-8146
Subject:
Clostridium,   etc   ; Avena nuda; Bacteroides; Bifidobacterium; Enterococcus; Lactobacillus; antioxidant activity; antioxidants; butanol; ethyl acetate; fermentation; fluorescence; food chemistry; hybridization; intestinal microorganisms; oats; phenolic compounds; prebiotics;     Show all 18 Subjects
Abstract:
... The correlation of antioxidant activity and prebiotic effect about oat phenolic compounds was invested, while there exists limited studies. Free and bound phenolic compounds were separated from ethyl acetate, n-butanol and aqueous fractions. Fluorescence in situ hybridization was used to investigate gut microbiota of in vitro fermentation samples. The results showed that ethyl acetate fraction pos ...
DOI:
10.1016/j.foodchem.2022.134231

4. Co-occurrence of genes for antibiotic resistance and arsenic biotransformation in paddy soils

Author:
Huiling Cui; Dong Zhu; Longjun Ding; Yifei Wang; Jianqiang Su; Guilan Duan; Yongguan Zhu
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 701-711
ISSN:
1001-0742
Subject:
Clostridium,   etc   ; antibiotic resistance; biotransformation; food safety; manure amendments; manure spreading; methylation; multiple drug resistance; paddies; paddy soils; pollution; quantitative polymerase chain reaction; risk; China;     Show all 14 Subjects
Abstract:
... Paddy soils are potential hotspots of combined contamination with arsenic (As) and antibiotics, which may induce co-selection of antibiotic resistance genes (ARGs) and As biotransformation genes (ABGs), resulting in dissemination of antimicrobial resistance and modification in As biogeochemical cycling. So far, little information is available for these co-selection processes and specific patterns ...
DOI:
10.1016/j.jes.2022.02.027

5. Synergistic effect of hydrogen and nanoscale zero-valent iron on ex-situ biogas upgrading and acetate recovery

Author:
Kai-Kai Wu; Lei Zhao; Zhong-Fang Sun; Zi-Han Wang; Chuan Chen; Hong-Yu Ren; Shan-Shan Yang; Nan-Qi Ren
Source:
Science of the total environment 2023 v.856 pp. 159100
ISSN:
0048-9697
Subject:
Clostridium,   etc   ; Acidaminococcus; acetates; anaerobic digestion; biogas; biotransformation; carbon dioxide; energy; environment; gas production (biological); hydrogen; iron; liquids; markets; microbial activity; microbial communities; microbiome; polymers; synergism;     Show all 19 Subjects
Abstract:
... Hydrogen (H₂) assisted ex-situ biogas upgrading and liquid chemicals production can augment the fossil fuel-dominated energy market, and alleviate CO₂-induced global warming. Recent investigations confirmed that nanoscale zero-valent iron (nZVI) enabled the enhancement of anaerobic digestion for biogas production. However, little is known about the effect of nZVI on the downstream ex-situ biogas u ...
DOI:
10.1016/j.scitotenv.2022.159100

6. The potential of Clostridium autoethanogenum, a new single cell protein, in substituting fish meal in the diet of largemouth bass (Micropterus salmoides): Growth, feed utilization and intestinal histology

Author:
Pinxian Yang; Xiaoqin Li; Bowen Song; Ming He; Chaoyi Wu; Xiangjun Leng
Source:
Aquaculture and fisheries 2023 v.8 no.1 pp. 67-75
ISSN:
2468-550X
Subject:
Clostridium autoethanogenum,   etc   ; Micropterus salmoides; aquaculture; blood serum; crude protein; diet; digestible protein; enzyme activity; feed conversion; fish meal; histology; intestines; malondialdehyde; single cell protein; villi; weight gain;     Show all 16 Subjects
Abstract:
... This study investigated the effects of replacing fishmeal with Clostridium autoethanogenum protein (CAP) on growth, feed utilization and intestinal histology of largemouth bass (Micropterus salmoides). The control diet contained 350 g/kg fishmeal, and then dietary fishmeal was decreased to 300 g/kg, 250 g/kg, 200 g/kg, 150 g/kg and 100 g/kg by CAP inclusion, respectively (FM-30, FM-25, FM-20, FM-1 ...
DOI:
10.1016/j.aaf.2021.03.003

7. Clostridium butyricum-fermented Chinese herbal medicine enhances the immunity by modulating the intestinal microflora of largemouth bass (Micropterus salmoides)

Author:
Xiaolin Meng; Huimin Cai; Heng Li; Fu You; Aixia Jiang; Wenpan Hu; Keke Li; Xindang Zhang; Yanmin Zhang; Xulu Chang; Guokun Yang; Zhigang Zhou
Source:
Aquaculture 2023 v.562 pp. 738768
ISSN:
0044-8486
Subject:
Clostridium butyricum,   etc   ; Astragalus membranaceus; Eleutherococcus senticosus; Micropterus salmoides; alkaline phosphatase; apoptosis; aquaculture; caspase-3; feed supplements; fermented foods; fish; flora; herbal medicines; immunity; intestinal microorganisms; intestines; licorice; lysozyme; malondialdehyde; midgut; solid state fermentation; spleen; villi; weight gain;     Show all 24 Subjects
Abstract:
... Probiotic-fermented Chinese herbal medicine has been shown to stimulate immunity and modulate gut microbiota. It has been considered to be an ideal alternative to antibiotics in a variety of species. In this study, Clostridium butyricum was used as a fermentation strain, while a mixture of licorice root, Astragalus membranaceus and Acanthopanax senticosus was used as a substrate for solid-state fe ...
DOI:
10.1016/j.aquaculture.2022.738768

8. Effects of BDE-209 exposure on growth performance, intestinal digestive enzymes, and intestinal microbiome in common carp (Cyprinus carpio L.)

Author:
Xulu Chang; Meiru Kang; Junchang Feng; Jianxin Zhang; Xianfeng Wang
Source:
Aquaculture and fisheries 2023 v.8 no.1 pp. 33-41
ISSN:
2468-550X
Subject:
Clostridium,   etc   ; Bacteroides; Cyprinus carpio; Fusobacteria; Lactobacillus; Rhodopseudomonas; Shewanella; amylases; aquaculture; bacteria; carboxylic ester hydrolases; decabromodiphenyl ether; endocrine system; fish; fish health; growth performance; intestinal microorganisms; intestines; metagenomics; oxidative stress; pollutants; probiotics; proteinases; short chain fatty acids; species diversity; wildlife;     Show all 26 Subjects
Abstract:
... Polybrominated diphenyl ether has become a widespread environmental pollutant in aquatic environments. BDE-209, a prominent PBDEs found in the environment and wildlife, has been proven to cause oxidative stress, immune damage and endocrine system disorders in fish. However, the effects of BDE-209 on the intestinal health of fish remain unclear. This research aimed to determine the effects of BDE-2 ...
DOI:
10.1016/j.aaf.2021.05.005

9. Development of a new multiplex quantitative real-time polymerase chain reaction method for Clostridium butyricum, Clostridium sporogenes and Clostridium tyrobutyricum detection in cheese

Author:
Aslı Şahiner; Sennur Çalışkan; Ece Halat
Source:
Lebensmittel-Wissenschaft + Technologie 2022 v.155 pp. 112914
ISSN:
0023-6438
Subject:
Clostridium butyricum; Clostridium sporogenes; Clostridium tyrobutyricum,   etc   ; cheeses; gene dosage; odors; quantitative polymerase chain reaction; raw milk; spoilage; taste; texture;     Show all 11 Subjects
Abstract:
... Late blowing is a type of microbiological spoilage that causes unwanted changes in the taste, odour and texture of cheese due to the metabolic activities of Clostridium contaminating raw milk. This study aimed to develop a multiplex quantitative real-time polymerase chain reaction (PCR) analysis method for the rapid and simultaneous detection of Clostridium butyricum, Clostridium sporogenes and Cl ...
DOI:
10.1016/j.lwt.2021.112914

10. Influence of gas-release strategies on the production of biohydrogen and biobutanol in ABE fermentation

Author:
Ullrich Heinz Stein; M. Abbasi-Hosseini; J. Kain; W. Fuchs; G. Bochmann
Source:
Biofuels 2022 v.13 no.1 pp. 9-15
ISSN:
1759-7277
Subject:
Clostridium acetobutylicum; Clostridium beijerinckii,   etc   ; ambient pressure; biobutanol; biohydrogen; butanol; fermentation; hydrogen production;     Show all 8 Subjects
Abstract:
... This research reports on the effect of three gas release strategies in acetone–butanol–ethanol fermentations using two Clostridium acetobutylicum (DSMZ 792, DSMZ 1731) and one Clostridium beijerinckii strain (DSMZ 6422). The influences of three different gas release strategies (constant gas release, interval gas release and no gas release) on the simultaneous production and yield of biohydrogen an ...
DOI:
10.1080/17597269.2019.1619246

11. High contamination rates of shoes of veterinarians, veterinary support staff and veterinary students with Clostridioides difficile spores

Author:
Joanna Wojtacka; Beata Wysok; Aleksander Kocuvan; Maja Rupnik
Source:
Transboundary and emerging diseases 2022 v.69 no.2 pp. 685-693
ISSN:
1865-1674
Subject:
Clostridium difficile,   etc   ; hospitals; ribotypes; spores;     Show all 4 Subjects
Abstract:
... Clostridioides difficile is often found in animals and their environment. However, not much has been reported on veterinary clinics environment in terms of the spore load, prevalence and PCR ribotype diversity. The aim of this study was to assess the prevalence of C. difficile on shoe soles of veterinarians, veterinary support staff and veterinary students at the Veterinary Faculty campus. Altoget ...
DOI:
10.1111/tbed.14034

12. Clostridioides difficile spore germination: initiation to DPA release

Author:
Marko Baloh; Joseph A Sorg
Source:
Current opinion in microbiology 2022 v.65 pp. 101-107
ISSN:
1369-5274
Subject:
Clostridium difficile,   etc   ; cortex; pathogenesis; spore germination;     Show all 4 Subjects
Abstract:
... Germination by Clostridioides difficile spores is an essential step in pathogenesis. Spores are metabolically dormant forms of bacteria that resist severe conditions. Work over the last 10 years has elucidated that C. difficile spores germinate thorough a novel pathway. This review summarizes our understanding of C. difficile spore germination and the factors involved in germinant recognition, cor ...
DOI:
10.1016/j.mib.2021.11.001

13. Detection of Clostridioides difficile in hospital environment by using C diff Banana Broth™

Author:
Monika Kabała; Zygmunt Gofron; Małgorzata Aptekorz; Krzysztof Burdynowski; Celine Harmanus; Ed Kuijper; Gayane Martirosian
Source:
Anaerobe 2022 v.73 pp. 102408
ISSN:
1075-9964
Subject:
Clostridium difficile,   etc   ; antibiotic resistance; bananas; hospitals;     Show all 4 Subjects
Abstract:
... 116 environmental samples from a 504 bed clinical hospital obtained in 2017/19 were inoculated into C diff Banana Broth™. Six C. difficile and 12 C. pefringens strains were isolated. Antibiotic-resistant Clostridium spp. dominated in hospital environment. To determine Clostridium spp. in hospital environment suitable medium like C diff Banana Broth™ should be used. ...
DOI:
10.1016/j.anaerobe.2021.102408

14. Comparative Genomics of Clostridium baratii Reveals Strain-Level Diversity in Toxin Abundance

Author:
Claudia Silva-Andrade; Alberto J. Martin; Daniel Garrido
Source:
Microorganisms 2022 v.10 no.2 pp. -
ISSN:
2076-2607
Subject:
Clostridium baratii; Clostridium botulinum,   etc   ; active sites; botulism; eukaryotic cells; horizontal gene transfer; metagenomics; phospholipase C; phylogeny; poisoning; soil; virulence;     Show all 12 Subjects
Abstract:
... Clostridium baratii strains are rare opportunistic pathogens associated with botulism intoxication. They have been isolated from foods, soil and be carried asymptomatically or cause botulism outbreaks. Is not taxonomically related to Clostridium botulinum, but some strains are equipped with BoNT/F7 cluster. Despite their relationship with diseases, our knowledge regarding the genomic features and ...
DOI:
10.3390/microorganisms10020213

15. Pulsatilla decoction improves DSS-induced colitis via modulation of fecal-bacteria-related short-chain fatty acids and intestinal barrier integrity

Author:
Chun Niu; Xiao-li Hu; Zi-wen Yuan; Ying Xiao; Peng Ji; Yan-ming Wei; Yong-li Hua
Source:
Journal of ethnopharmacology 2023 v.300 pp. 115741
ISSN:
0378-8741
Subject:
Clostridium,   etc   ; Bacteroides; Escherichia; Lachnospiraceae; Pulsatilla; acetates; blood serum; body weight; dextran; enzyme-linked immunosorbent assay; gas chromatography-mass spectrometry; genes; homeostasis; interleukin-10; interleukin-17; intestinal microorganisms; intestines; males; mechanism of action; metabolism; models; occludins; propionic acid; short chain fatty acids; sodium sulfate; therapeutics; tight junctions; traditional medicine; tumor necrosis factor-alpha; ulcerative colitis;     Show all 30 Subjects
Abstract:
... Pulsatilla decoction (PD), is an herbal formula commonly used for the treatment of ulcerative colitis (UC) in clinical practice, but the mechanism of PD alters the colitis remains elusive. To evaluate the intervention effect of PD on Dextran Sodium Sulfate (DSS)-induced UC based on gut microbiota and intestinal short-chain fatty acid (SCFAs) metabolism, and to investigate the mechanism of action o ...
DOI:
10.1016/j.jep.2022.115741

16. Fecal PCR testing for detection of Clostridium perfringens and Clostridioides difficile toxin genes and other pathogens in foals with diarrhea: 28 cases

Author:
K. Gary Magdesian; Samantha Barnum; Nicola Pusterla
Source:
Journal of veterinary diagnostic investigation 2022 v.34 no.3 pp. 396-401
ISSN:
1943-4936
Subject:
Clostridium difficile; Clostridium perfringens,   etc   ; diarrhea; erythrocytes; feces; foals; gastrointestinal system; genes; hematocrit; hemoglobin; hospitals; morbidity; mortality; neutrophils; protein content; toxins;     Show all 16 Subjects
Abstract:
... Clostridium perfringens and Clostridioides difficile cause significant morbidity and mortality in foals. Antemortem diagnosis of C. perfringens infection has been complicated by a paucity of tests available for toxin detection. Fecal PCR panels have assays for a variety of C. perfringens toxin gene sequences as well as for several other foal gastrointestinal pathogens. We evaluated results of a co ...
DOI:
10.1177/10406387211047529

17. Risk factors of first recurrence of Clostridioides difficile infection

Author:
Yuki Yokoyama; Arufumi Shiota; Nobuhiro Asai; Yusuke Koizumi; Yuka Yamagishi; Daisuke Sakanashi; Akiko Nakamura; Hiroyuki Suematsu; Masafumi Ohnishi; Hiroshige Mikamo
Source:
Anaerobe 2022 v.75 pp. 102556
ISSN:
1075-9964
Subject:
Clostridium difficile,   etc   ; patients; probiotics; regression analysis; surveys;     Show all 5 Subjects
Abstract:
... Clostridioides difficile infection (CDI) often recurs. Approximately 25% of patients have recurrences after the initial treatment, and patients who have relapsed once are more likely to relapse. We aimed to identify the risk factors for initial CDI recurrence. We performed a retrospective survey of patient backgrounds and treatment-related factors. Risk factors were analyzed using single and multi ...
DOI:
10.1016/j.anaerobe.2022.102556

18. Low Clostridioides difficile positivity rate in wild animal shelter in Slovenia

Author:
Tanja Zlender; Zlatko Golob; Maja Rupnik
Source:
Anaerobe 2022 v.77 pp. 102643
ISSN:
1075-9964
Subject:
Clostridium difficile,   etc   ; birds; ribotypes; wild animals; Slovenia;     Show all 5 Subjects
Abstract:
... Here we review literature on Clostridioides difficile in captive wild animals and describe results from a single wild animal shelter in Slovenia. C. difficile was found in four out of 22 samples from animals of 15 different species (mammals n = 3; birds n = 12). Isolates were cultured only from bird samples and typed as RT 078, 002, 014 and additional unknown type. All three known ribotypes are co ...
DOI:
10.1016/j.anaerobe.2022.102643

19. Airborne spores’ dissemination of a swine associated Clostridioides difficile clone

Author:
Frederico Alves; Manuela Cano; Greice Brondani; Alexandra Nunes; Mónica Oleastro
Source:
Anaerobe 2022 v.78 pp. 102651
ISSN:
1075-9964
Subject:
Clostridium difficile,   etc   ; airborne transmission; swine; swine production;     Show all 4 Subjects
Abstract:
... This study supports the airborne dissemination of Clostridioides difficile spores. Of the sieve impaction samples collected at a swine production unit, 66.7% were positive and all belonged to the predominantly established clone. Spores’ density varied according to the characteristics of the animal population, suggesting the possibility of airborne transmission. ...
DOI:
10.1016/j.anaerobe.2022.102651

20. Evolution of FMT – From early clinical to standardized treatments

Author:
Stephanie L. Servetas; Phillip J. Daschner; Cyril Guyard; Vincent Thomas; Herve Affagard; Chrysi Sergaki; Harry Sokol; Jennifer A. Wargo; Gary D. Wu; Philippe Sabot
Source:
Biologicals 2022 v.76 pp. 31-35
ISSN:
1045-1056
Subject:
Clostridium difficile,   etc   ; governance; inflammatory bowel disease; microorganisms; therapeutics;     Show all 5 Subjects
Abstract:
... Faecal microbiota transplantation (FMT) is widely reported to be an effective treatment against recurrent Clostridioides difficile infections. Recent clinical studies support the therapeutic use of FMT for several other pathologies including inflammatory bowel disease, several types of cancer, and other functional or metabolic disorders. Initial guidelines are now available to overcome some of the ...
DOI:
10.1016/j.biologicals.2022.01.004