نتایج جستجو برای: verotoxin

تعداد نتایج: 354  

Journal: :Applied and environmental microbiology 1996
G Wang T Zhao M P Doyle

Dairy cattle have been identified as a principal reservoir of Escherichia coli O157:H7. The fate of this pathogen in bovine feces at 5, 22, and 37 degrees C was determined. Two levels of inocula (10(3) and 10(5) CFU/g) of a mixture of five nalidixic acid-resistant E. coli O157:H7 strains were used. E. coli O157:H7 survived at 37 degrees C for 42 and 49 days with low and high inocula, respective...

2016
Singh Parul Basanti Bist Barkha Sharma Udit Jain Janardan K. Yadav

AIM The present study was conducted to find the association among virulence determinants of verotoxic Escherichia coli (VTEC) isolated from cattle calf feces. MATERIALS AND METHODS A total of 216 cattle calf fecal samples were collected aseptically and processed under required conditions for the isolation of E. coli. The isolates were further subjected to multiplex polymerase chain reaction (...

Journal: :Journal of the Japanese Association for Infectious Diseases 1993

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