While foodborne Escherichia coli (E. coli) and viral gastroenteritis (the stomach bug or stomach flu) have similar symptoms, including diarrhea, cramps, and nausea, they are not spread in the same way.

E. coli is a type of bacteria that normally lives in the intestines, where it helps the body break down and digest food.Some types (or strains) of E. coli, though, are infectious (causing infections that can spread to others). They spread through contaminated food or water, or from other infected people or animals.

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Escherichia coli, commonly referred to as E. coli, is a type of bacteria that is commonly found in t

E.coli, short for Escherichia coli, is a type of bacteria that is commonly found in the intestines o

Florfenicol, a veterinary fluorinated analog of thiamphenicol, is approved for treatment of bovine respiratory pathogens in the United States. However, florfenicol resistance has recently emerged among veterinary Escherichia coli isolates incriminated in bovine diarrhea. The flo gene, which confers resistance to florfenicol and chloramphenicol, has previously been identified in Photobacterium piscicida and Salmonella enterica serovar Typhimurium DT104. The flo gene product is closely related to the CmlA protein identified in Pseudomonas aeruginosa. The cmlA gene confers nonenzymatic chloramphenicol resistance via an efflux mechanism. Forty-eight E. coli isolates recovered from calves with diarrhea, including 41 that were both chloramphenicol and florfenicol resistant, were assayed for the presence of both flo and cmlA genes. Forty-two of the 44 isolates for which florfenicol MICs were ≥16 μg/ml were positive via PCR for the flo gene. All E. coli isolates for which florfenicol MICs were ≤8 μg/ml were negative for the flo gene (n = 4). Twelve E. coli isolates were positive for cmlA, and chloramphenicol MICs for all 12 were ≥32 μg/ml. Additionally, eight isolates were positive for both flo and cmlA, and both florfenicol and chloramphenicol MICs for these isolates were ≥64 μg/ml. DNA sequence analysis of the E. coli flo gene demonstrated 98% identity to the published GenBank sequences of both serovar Typhimurium floSt and P. piscicida pp-flo. The flo gene was identified on high-molecular-weight plasmids of approximately 225 kb among the majority of florfenicol-resistant E. coli isolates. However, not all of the florfenicol-resistant E. coli isolates tested contained the large flo-positive plasmids. This suggests that several of the E. coli isolates may possess a chromosomal flo gene. The E. coli flo gene specifies nonenzymatic cross-resistance to both florfenicol and chloramphenicol, and its presence among bovine E. coli isolates of diverse genetic backgrounds indicates a distribution much wider than previously thought.

Escherichia coli, commonly known as E. coli, is a type of bacteria that is found in the intestines o

Escherichia coli, also known as E. coli, is a type of bacteria that is commonly found in the inte

Escherichia coli, commonly known as E. coli, is a type of bacteria that can be found in the intes

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