TY - JOUR AU - LeJeune, Jeffrey T. AU - Abedon, Stephen T. AU - Takemura, Kaori AU - Christie, Nicholas P. AU - Sreevatsan, Srinand T1 - Human Escherichia coli O157:H7 Genetic Marker in Isolates of Bovine Origin T2 - Emerging Infectious Disease journal PY - 2004 VL - 10 IS - 8 SP - 1482 SN - 1080-6059 AB - The antiterminator Q gene of bacteriophage 933W (Q933) was identified upstream of the stx2 gene in 90% of human disease–origin Escherichia coli O157:H7 isolates and in 44.5% of bovine isolates. Shiga toxin production was higher in Q933-positive isolates than Q933-negative isolates. This genetic marker may provide a useful molecular tool for epidemiologic studies. KW - E. coli O157 KW - Shiga-toxin production KW - stx2-encoding phages KW - dispatch DO - 10.3201/eid1008.030784 UR - https://wwwnc.cdc.gov/eid/article/10/8/03-0784_article ER - End of Reference