نتایج جستجو برای: heat stable enterotoxin
تعداد نتایج: 458965 فیلتر نتایج به سال:
Since the heat-stable enterotoxin (ST) produced by yersinia enterocolitica is similar to enterotoxin production by E. coli, it is probably classified among toxinogenic bacteria. The culture filtrate of ST-producing strains of Y. enterocolitica is able to activate Guanylate cyclase and to increase fluid accumulation action of cylic Guanosin 3', 5' - monophosphate (cGMP) in sucking mouse intestin...
Two of 49 cytolethal distending toxin-producing strains of Escherichia coli isolated from human stools contained the gene coding for heat-stable enterotoxin b (STb), as detected by a colony hybridization assay. The STb gene was found to be on a 70-kb plasmid also coding for heat-labile enterotoxin (pLT-I). Restriction endonuclease analysis showed the STb gene from human isolates to be similar t...
Bacterial diarrheagenic heat-stable enterotoxins induce colon cancer cell cytostasis by targeting guanylyl cyclase C (GCC) signaling. Anticancer actions of these toxins are mediated by cyclic guanosine 3',5'-monophosphate (cGMP)-dependent influx of Ca2+ through cyclic nucleotide-gated channels. However, prolonged stimulation of GCC produces resistance in tumor cells to heat-stable enterotoxin-i...
A collection of Vibrio cholerae non-O1 isolated from the aquatic environs of Calcutta, a cholera-hyperendemic area, were examined for the production of cholera toxin (CT), Shiga-like toxins (Vero toxins), heat-stable enterotoxin, and hemolysins. Two (0.5%) V. cholerae non-O1 isolates produced CT. The DNA from both these isolates also hybridized with a DNA probe containing sequences encoding the...
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