Table 2.
Antimicrobial resistance genes detected in the variable region of class 1 integrons among Salmonella Senftenberg isolates from the USA.
| Source | Isolate ID | Integrase | Gene cassettes in the variable region | 3’ CS | IntFinder 1.0 | Integron name | Identity (%) | Query/template length (bp) | Accession number | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Swine | 18–006979-062 | Intl1 | aadA2 | qacEΔ1, sul1 | In128 | 99.9 | 1,009/1,009 | AF221903 | ||||||||
| Swine | 18–006979-143 | Intl1 | - | qacEΔ1, sul1 | - | |||||||||||
| Swine | 18–006979-166 | Intl1 | ant(2″)-Ia, cmlA5 | qacEΔ1, sul1 | In571 | 98.3 | 3,016/2,999 | AB285479 | ||||||||
| Swine | 18–006979-167 | Intl1 | aadA1 | qacEΔ1, sul1 | - | |||||||||||
| Swine | 18–006979-173 | Intl1 | - | qacEΔ1, sul1 | - | |||||||||||
| Swine | 18–012180-030 | Intl1 | dfrA15, aadA1, aac(3)-VIa | - | - | |||||||||||
| Swine | 18–012180-145 | Intl1 | dfrA19 | qacEΔ1, sul1 | - | |||||||||||
| Swine | 18–012180-261 | Intl1 | aadA7 | qacEΔ1, sul1 | In142 | 99.29 | 981/981 | AF234167 | ||||||||
| Swine | 18–012180-267 | Intl1 | - | qacEΔ1, sul1 | - | |||||||||||
| Swine | 18–012180-282 | Intl1 | ant(2″)-Ia, aadA2, aac(3)-VIa | qacEΔ1, sul1 | In293 | 100 | 1,531/1,531 | DQ520939 | ||||||||
| Swine | 18–012180-381 | Intl1 | - | qacEΔ1, sul1 | - | |||||||||||
| Swine | 18–012180-398 | Intl1 | - | - | - | |||||||||||
| Swine | 18–012180-578 | Intl1 | dfrA1 | qacEΔ1, sul1 | In363 | 99.57 | 1,173/1,172 | DQ402098 | ||||||||
| Swine | 18–024125-014 | Intl1 | aadA24, aac(3)-VIa | qacEΔ1, sul1 | In288 | 99.65 | 10,493/10,484 | FJ621588 | ||||||||
| Swine | 18–024125-062 | Intl1 | aac(6′)-Ib-cr, arr-3, dfrA27, aadA16 | qacEΔ1, sul1 | In1333 | 99.74 | 5,296/5,289 | CP017059 | ||||||||
| Swine | 18–024127-046 | Intl1 | dfrA12, aadA2 | qacEΔ1, sul1 | - | |||||||||||
| Swine | 18–024131-069 | Intl1 | dfrA12, aadA2 | qacEΔ1, sul1 | - | |||||||||||
| Swine | 18–038875-061 | Intl1 | ant(2″)-Ia, cmlA5 | qacEΔ1, sul1 | In571 | 99.97 | 2,999/2,999 | AB285479 | ||||||||
| Swine | 18–038876-010 | Intl1 | - | qacEΔ1, sul1 | - | |||||||||||
| Swine | 19–020610-021 | Intl1 | ant(2″)-Ia, aadA2 | qacEΔ1, sul1 | In293 | 100 | 1,531/1,531 | DQ520939 | ||||||||
| Swine | 19–020610-022 | Intl1 | aadA1 | qacEΔ1, sul1 | - | |||||||||||
| Swine | 19–020610-039 | Intl1 | - | qacEΔ1, sul1 | - | |||||||||||
| Cattle | 18–006979-079 | Intl1 | aadA6, aac(3)-VIa | qacEΔ1, sul1 | - | |||||||||||
| Cattle | 18–006979-295 | Intl1 | aadA12, ant(2″)-Ia, cmlA5 | qacEΔ1, sul1 | - | |||||||||||
| Cattle | 18–012180-049 | Intl1 | aac(6′)-Ib4, aadA1 | - | In48 | 98.83 | 1,032/1,029 | AF439785 | ||||||||
| Cattle | 18–038877-071 | Intl1 | - | qacEΔ1, sul1 | - | |||||||||||
| Poultry | 18–006979-061 | Intl1 | aac(6′)-Ib4, aadA1 | - | In48 | 98.83 | 1,032/1,029 | AF439785 | ||||||||
| Poultry | 18–012180-524 | Intl1 | aac(6′)-Ib4, aadA1 | - | In48 | 98.83 | 1,032/1,029 | AF439785 | ||||||||
| Poultry | 18–024128-087 | Intl1 | ant(2″)-Ia, aadA2 | qacEΔ1, sul1 | In293 | 100 | 1,531/1,531 | DQ520939 | ||||||||
| Poultry | 18–038310-008 | Intl1 | aadA1, aac(3)-VIa | - | In790 | 99.9 | 1917/1917 | JQ326986 | ||||||||
| Poultry | 18–038310-026 | Intl1 | aac(6′)-Ib4, aadA1 | - | In48 | 98.83 | 1,032/1,029 | AF439785 | ||||||||
| Poultry | 18–038873-015 | Intl1 | aac(6′)-Ib4, aadA1 | - | In48 | 98.83 | 1,032/1,029 | AF439785 | ||||||||
| Poultry | 18–038873-077 | Intl1 | aadA2 | - | In532 | 99.57 | 2,568/2,567 | AB121039 | ||||||||
| Poultry | 18–038876-062 | Intl1 | aac(6′)-Ib4, aadA1 | - | In48 | 98.83 | 1,032/1,029 | AF439785 | ||||||||
| Poultry | 18–038877-021 | Intl1 | aac(6′)-Ib4, aadA1 | - | In48 | 98.83 | 1,032/1,029 | AF439785 | ||||||||
| Poultry | 19–020610-061 | Intl1 | aac(6′)-Ib4, aadA1 | - | In48 | 98.83 | 1,032/1,029 | AF439785 | ||||||||
| Poultry | 19–021046-006 | Intl1 | aac(6′)-Ib4, aadA1 | - | In48 | 98.83 | 1,032/1,029 | AF439785 | ||||||||
(-) = not detected