BioMed Research International / 2016 / Article / Tab 2 / Research Article
Dissemination of Extended-Spectrum β -Lactamase- and AmpC β -Lactamase-Producing Escherichia coli within the Food Distribution System of Ho Chi Minh City, Vietnam Table 2 Distribution of
-lactamase genes in ESBL/AmpC-producing
E. coli isolates (
) from food.
Food Sampling place Number of isolates ESBL genes pAmpC genes CTX-M-9 group CTX-M-1 group SHV12 CIT group DHA − +TEM − +TEM +CIT group − +TEM − +TEM − +TEM Chicken 185 44 (23.8%) 62 (33.5%) 1 (0.5%) 77 (41.6%) 1 (0.5%) Slaughterhouse 111 6 19 0 22 0 0 1 11 52 1 0 Supermarkets 73 5 14 8 30 2 0 0 1 13 0 0 Pork 75 41 (54.7%) 15 (20.0%) 0 (0%) 19 (25.3%) 0 (0%) Slaughterhouse 31 11 11 3 0 0 0 0 0 6 0 0 Supermarkets 44 14 5 2 10 0 0 0 3 10 0 0 Beef 38 12 (31.6%) 10 (26.3%) 2 (3.4%) 14 (36.8%) 0 (0%) Slaughterhouse 0 0 0 0 0 0 0 0 0 0 0 0 Supermarkets 38 9 3 4 6 0 2 0 5 9 0 0 Fish 44 13 (29.5%) 15 (34.1%) 0 (0%) 8 (18.2%) 8 (18.2%) Wholesale market 24 3 2 7 5 0 0 0 2 2 2 1 Supermarkets 20 5 3 0 3 0 0 0 1 3 2 3 Total (number of isolates) 342 110 (31.2%) 102 (29.8%) 3 (0.9%) 118 (34.5%) 9 (2.6%)
