toxin production
RstA Is a Major Regulator of Clostridioides difficile Toxin Production and Motility
... induce toxin production through the production of a cyclic autoinducer peptide (AIP) that is sensed extracellularly (52, 64, 65); however, it is highly unlikely that the extracellular AIP molecule ...
21
Geographically Distinct Escherichia coli O157 Isolates Differ by Lineage, Shiga Toxin Genotype, and Total Shiga Toxin Production
... Shiga toxin production. Total Stx production was assessed using a method adapted from the work of Shringi et ...periplasmic toxin as previously described (7, ...
8
Interference of the Developing and Toxin Production of Clostridium Botulinum by Lactobacillus Paracasei Subspecies Paracasei
... BoNT production assays in co-cultures of ...of toxin in the co-cultures were compared with the corresponding ...of toxin (LD 50 ) were performed according to method ...
7
Pomegranate extract specifically inhibits <em>Clostridium difficile</em> growth and toxin production without disturbing the beneficial bacteria in vitro
... We hypothesized that pomegranate juice may reduce toxin production and also provide antibacterial effect against mul- tidrug-resistant C. difficile hypervirulent strain NAP1/027/ BI, without inhibiting the ...
6
Prevalence of Cytolethal Distending Toxin Production in Periodontopathogenic Bacteria
... distending toxin (CDT) is a newly identified virulence factor produced by several pathogenic bacteria implicated in chronic ...the production of CDT by a HeLa cell bioassay and for the presence of the cdt ...
8
Mango Malformation: I Toxin Production Associated with Fusarium Pathogens
... tested for the production of fumonisin B1 in culture. None of the cultures of F. subglutinans, F. annulatum, F. succisae, or F. beomiforme produced fumonisin B1 in culture. Strains of F. proliferatum produced ...
6
Close association of verotoxin (Shiga like toxin) production with enterohemolysin production in strains of Escherichia coli
... coli strains of O group 26 were positive for enterohemolysin than for verotoxin production 4; unpublished data and by the finding that VT+ strains of O groups 113 and 114 were hemolysin [r] ...
6
Rapid screening assay for toxic shock syndrome toxin production by Staphylococcus aureus
... A rapid immunoblot assay TST-blot was developed and used to screen Staphylococcus aureus isolates for toxic shock syndrome toxin TST production.. Growth from an 18-h stab inoculum of S.[r] ...
5
Clinical and biochemical significance of toxin production by Aeromonas hydrophila
... Our goals were to determine the frequency of cytotoxin and enterotoxin production by Aeromonas strains obtained from children in different geographic locations; to determine whether cyto[r] ...
6
The Impact of Organic Acids and pH on the Virulence Factor Expression of E. coli O157:H7.
... In vitro data have demonstrated that ciprofloxacin or subinhibitory concentrations of trimethoprim-sulfamethoxazole induced Shiga toxin production by E. coli O157:H7. Whether this occurs in vivo or has any ...
138
Phenotypic characterization of epidemic versus sporadic strains of methicillin resistant Staphylococcus aureus
... Logistic regression analysis. To evaluate if the epidemic or sporadic character of strains could be predicted on the basis of a combination of phenotypic characteristics, logistic regression analysis was performed with ...
6
Genetic Relatedness of Clostridium difficile Isolates from Various Origins Determined by Triple Locus Sequence Analysis Based on Toxin Regulatory Genes tcdC, tcdR, and cdtR
... increased production of toxins TcdA and TcdB by PCR ribotype 027 strains in humans (33, 47, ...The production of cytotoxins was rather variable among 027 isolates and was not significantly different from ...
11
Metal Ion Binding of The Corynebacterium pseudotuberculosis Diphtheria Toxin Repressor
... diphtheriae toxin repressor from ...diphtheriae toxin production and the production of siderophores and is a global regulator of the cell ...diphtheriae toxin and DtxR genes, but ...
5
Circular DNA Plasmid in the Phytopathogenic Fungus Alternaria alternata: Its Temperature-Dependent Curing and Association with Pathogenicity
... The above results suggest that the presence of pAAT56 causes reduced pathogenicity in isolates harboring the plasmid via suppression of AK-toxin production.. DISCUSSION.[r] ...
10
Assay of heat labile enterotoxins by their ADP ribosyltransferase activities
... A comparative study of enterotoxin gene probes and tests for toxin production to detect enterotoxigenic Escherichia coli.. Comparative study of synthetic oligonucleotide and cloned polyn[r] ...
6
Effects of Protoplast Fusion on δ-endotoxin Production in Bacillus thuringiensis Spp. (H14)
... on toxin production. A semi quantitative assay of toxin production in two strains was determined by pre-culturing in BHIB at 37° C for 24 ...
5
Dynamics of Cylindrospermopsin Production and Toxin Gene Expression in Aphanizomenon ovalisporum
... the toxin. In general, nutrients seem to modulate CYN production, since nitrogen depletion [15] [16], phosphate and sulphate starvations cause significant changes in the toxin production ...
10
Clinical Update on the Use of Moxifloxacin in the Treatment of Community Acquired Complicated Intraabdominal Infections
... increased toxin production and a demonstrated resistance to fluoroquinolone therapy, this risk has been shown to be mitigated with appropriate infection control practices, including optimal hand hygiene, ...
8
Optimizing Dothistroma septosporum infection of Pinus radiata and the development of red band disease : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Genetics at Massey University, Palmerston North, New Zealand
... between toxin mutants and wild type ...PL production, showed the mutants were capable of causing lesions on canola similar in size to the wild type, with the exception that the mutants colonised canola stem ...
146
Variation and adaptation of Pseudomonas aeruginosa toxicity to HeLa cells and fibroblasts
... aeruginosa directly cultivated from specimens showed a reversibility of toxin production from staphylolytic substances to HeLa cell toxin each time it was suspended in 0.9% sodium chlori[r] ...
7