Table 1.
Antimicrobial Resistance Determinants in Multidrug-Resistant 4.3.1 Salmonella Typhi
| Name | Year of Isolation | Phenotypic Susceptibility by Disk Diffusion | Identified Based on WGS | |||
|---|---|---|---|---|---|---|
| AMP | CHL | SXT | AMR Genes | Plasmids | ||
| B6951 | 1991 | R | … | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B2033 | 1991 | R | S | R | … | IncHI1 |
| B3309 | 1991 | R | R | R | cat, dfrA_1, Sul1 | IncHI1 |
| B4016 | 1991 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B3474 | 1991 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B4812 | 1991 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B4636 | 1991 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | … |
| B4760 | 1991 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B8880 | 1992 | R | S | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B8794 | 1992 | R | S | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B3848 | 1992 | R | S | R | TEM, cat, dfrA_1, Sul1, Sul2 | … |
| B6892 | 1993 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | … |
| B8746 | 1995 | R | S | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B8927 | 1996 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B6327 | 1998 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B8340 | 1999 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B95 | 2000 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B1781 | 2001 | I | I | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B3273 | 2001 | R | R | R | … | … |
| B8541 | 2005 | S | S | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B4595 | 2006 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B12730 | 2007 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | … |
| B5606 | 2009 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | IncHI1 |
| B6855 | 2009 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | … |
| B32375 | 2011 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | … |
| B39348 | 2012 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | … |
| B24112 | 2012 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | … |
| B4129 | 2014 | R | S | S | TEM, Sul1 | … |
| B4878 | 2014 | R | S | S | TEM, Sul1 | … |
| B5087 | 2015 | R | R | R | TEM, cat, dfrA_1, Sul1, Sul2 | … |
Abbreviations: AMP, ampicillin; AMR, antimicrobial resistance; CHL, chloramphenicol; I, intermediate; R, resistance; S, susceptible; SXT, trimethoprim/sulfamethoxazole; WGS, whole-genome sequencing.