| isolation and characterization of shiga toxin-producing escherichia coli o157:h7 from beef, pork and cattle fecal samples in changchun, china. | meat samples and fecal specimens from adult cattle were collected in changchun, china and were examined for presence of shiga toxin-producing escherichia coli (stec) serogroup o157. stec o157 strains were isolated from 2 (5%) of 40 beef, 1 (3.3%) of 30 pork, and 3 (1.7%) of 176 adult cattle fecal samples. the strains belonged to phage types (pt) 4, 8, or 47. two beef strains and a strain previously isolated from a patient in shandong, china, were pt-4 and showed a similar pfge pattern, suggestin ... | 2002 | 12499691 |
| identification and molecular characterization of antimicrobial-resistant shiga toxin-producing escherichia coli isolated from retail meat products. | ten (2.7%) shiga toxin-producing escherichia coli (stec) were isolated from 370 samples of raw minced beef, mutton, pork, and chicken from the jilin region of china; and additional 10 e. coli o157:h7 isolates were previously isolated from different jilin regions. seventeen of the isolates were multiresistant, exhibiting resistance to ampicillin, ciprofloxacin, tetracycline, sulfamethoxazole-trimethoprim, gentamycin, and streptomycin. class 1 integrons were detected in nine (45.0%) of the stec is ... | 2011 | 21453117 |