川西北高原牦牛和藏猪源大肠杆菌生物被膜表型、耐药基因、整合酶基因和毒力基因检测

陈朝喜,李宇涵,谭敏,汪露,黄志宏

Biofilm-Forming Phenotype, Antibacterial Resistance Genes, Integrase Genes and Virulence Genes Detection of Escherichia coli Isolated from Yaks and Tibetan Pigs in Northwest Sichuan Plateau

CHEN ChaoXi,LI YuHan,TAN Min,WANG Lu,HUANG ZhiHong

表5 整合酶基因阳性菌株的耐药基因携带情况信息表

Table 5 ARGs carriage information of integrase genes positive E.coli strains

抗菌药物类别 Classes of antibacterial agents 基因名称 Gene name 动物来源 Animal origin 耐药基因阳性菌株数 Strain number of ARGs positive 整合酶阳性 Integrase genes positive 整合酶阴性 Integrase genes negative 四环素类 Tetracyclines tetA 牦牛 Yaks 8 7 藏猪Tibetan pigs 24 15 tetB 牦牛 Yaks 3 4 藏猪Tibetan pigs 10 13 tetD 牦牛 Yaks 7 7 藏猪Tibetan pigs 12 11 tetM 牦牛 Yaks 0 3 藏猪Tibetan pigs 1 1 磺胺类 Sulfonamides Sul1 牦牛 Yaks 13 79 藏猪Tibetan pigs 7 15 Sul2 牦牛 Yaks 20 19 藏猪Tibetan pig 16 25 Sul3 牦牛 Yak 3 17 藏猪Tibetan pig 16 25 喹诺酮类 Quinolones qnrA 牦牛 Yak 0 2 藏猪Tibetan pigs 4 2 qnrB 牦牛 Yaks 1 9 藏猪Tibetan pigs 10 14 qnrS 牦牛 Yaks 8 18 藏猪Tibetan pigs 40 20 qepA 牦牛 Yaks 0 2 藏猪Tibetan pigs 0 0 β-内酰胺类 β-lactams blaTEM 牦牛 Yaks 10 3 藏猪Tibetan pigs 22 6 blaDHA 牦牛 Yaks 28 16 藏猪Tibetan pigs 10 13 酰氨醇类 Amphenicols floR 牦牛 Yaks 16 34 藏猪Tibetan pigs 40 20 cmlA 牦牛 Yaks 1 12 藏猪Tibetan pigs 21 5 cmlB 牦牛 Yaks 1 3 藏猪Tibetan pigs 5 5 氨基糖苷类 Aminoglycosides aac(3’)-Ⅳ 牦牛 Yaks 4 18 藏猪Tibetan pigs 9 17 rmtB 牦牛 Yaks 4 20 藏猪Tibetan pigs 10 16 aadA2 牦牛 Yaks 2 35 藏猪Tibetan pigs 18 13 aac(6’)-Ib 牦牛 Yaks 16 64 藏猪Tibetan pigs 18 18 aph(3’)-Ⅶ 牦牛 Yaks 14 31 藏猪Tibetan pigs 21 18