Hybridization on bovine enterotoxigenic Escherichia coli with two heat-stable enterotoxin gene probes.
Hybridizations were done on bovine enterotoxigenic Escherichia coli with 2 heat-stable (ST) enterotoxin gene probes from porcine and human origin (STp and STh). Of the baby mouse-positive isolates, 56 (53%) hybridized the STp probe and 50 (47%) did not. There was no isolate that hybridized the STh probe. Hybridization with the Stp probe was more frequent (P less than 0.005) for E coli isolated from calves that died before 2 weeks of age (49 STp-positive isolates of 77 [64%] isolates) than for E coli isolated from calves that died after 2 weeks of age (2 STp-positive of 21 [10%] isolates).
D000818:Animals; D000831:Animals, Newborn; D001427:Bacterial Toxins / Q000235:genetics*; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology; D004269:DNA, Bacterial / Q000235:genetics; D004768:Enterotoxins / Q000235:genetics*; D004926:Escherichia coli / Q000235:genetics*; D004927:Escherichia coli Infections / Q000382:microbiology / Q000662:veterinary; D029968:Escherichia coli Proteins; D005798:Genes, Bacterial; D006801:Humans; D051379:Mice; D009693:Nucleic Acid Hybridization; D013552:Swine
D001427:Bacterial Toxins; D004269:DNA, Bacterial; D004768:Enterotoxins; D029968:Escherichia coli Proteins; C034151:heat stable toxin (E coli)