TABLE 1.
Resistance plasmids identified in silico in the studied Salmonella Infantis isolatesa
| Incompatibility group |
Best BlastN hit(s) | Mobility group | No. of isolates (% prevalence)b |
ARGsc |
|---|---|---|---|---|
| IncFIB (pESI) | CP047882.1 | Conjugative | 148 (91.9) | tet(A) (144/148), aadA1 (143/148), aph(3′)-Ia (1/148), sul1 (144/148), dfrA14 (2/148), floR (1/148), blaTEM-1C (8/148) |
| IncX1 | CP023660.1, CP088733.1, CP024467.1, KF362122.2, MH121702.1 | Conjugative | 8 (5.0) | qnrS1 (5/8), blaTEM-1D (2/8), blaTEM-1B (6/8) |
| NA | CP054381.1, CP035844.1, MN915013.1, CP038299.1 | Nonmobilizable | 3 (1.9) | tet(A) (1/3), aadA2b (1/3), ant(2′′)-Ia (1/3), sul3 (1/3), dfrA1 (1/3), dfrA8 (1/3), cmlA1 (2/3), blaTEM-1B (2/3) |
| IncIγ/K1 | MK070495.1 | Conjugative | 1 (0.6) | aadA1 (1/1), sul2 (1/1), dfrA1 (1/1), blaTEM-1B (1/1) |
| IncN | CP025233.1 | Conjugative | 1 (0.6) | aph(6)-Id (1/1), aph(3′′)-Ib (1/1), sul2 (1/1) |
| IncX4 | MW390518.1 | Conjugative | 1 (0.6) | blaTEM-1C (1/1) |
a
For a detailed description of the genetic background of each ARG, see Table S4. NA, not assigned.
b
n = 161.
c
Values in parentheses are numbers of ARG-positive isolates/plasmid-positive isolates.