Table 2.
Characteristics of endophytic and clinical K. variicola isolates
| Isolate | Hospital a | Isolation date | Origin of the sample | PFGE pattern | ESBL production | ESBL | Antimicrobial susceptibility b | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AMX | CF | FOX | CXM | PIP | TZP | ATM | CTX | CAZ | GM | AMK | TIC | TET | NAL | CIP | LUX | |||||||
| 1109 | 1 | 1996 | Blood | NR | - | Negative | R | S | S | S | S | S | R | R | R | R | R | I | S | S | S | S |
| 801 | 2 | 1996 | Blood | A | + | SHV-2a | R | R | S | S | R | S | S | R | R | R | R | R | S | S | S | S |
| 803 | 2 | 1996 | Blood | A | + | SHV-2a | R | R | S | I | R | S | S | R | I | S | R | R | S | S | S | S |
| 804 | 2 | 1996 | Blood | A | + | SHV-2a | R | R | S | S | R | S | S | R | I | S | R | R | S | S | S | S |
| 805 | 2 | 1996 | Blood | A | + | SHV-2a | R | R | S | S | R | S | S | R | I | S | R | R | S | S | S | S |
| 806 | 2 | 1996 | Blood | A | + | SHV-2 | R | R | S | S | R | S | S | R | I | S | R | R | S | S | S | S |
| 807 | 2 | 1996 | Blood | A | + | SHV-2a | R | R | S | S | R | S | S | R | R | S | R | R | S | S | S | S |
| 808 | 2 | 1996 | Blood | A | + | SHV-2a | R | R | R | S | R | S | S | R | I | I | R | R | S | S | S | S |
| 809 | 2 | 1996 | Blood | A | + | SHV-2a | R | R | R | S | R | S | I | R | R | R | R | R | S | S | S | S |
| 811 | 2 | 1996 | Blood | A | + | SHV-2a | R | R | R | S | R | S | S | R | R | I | R | R | S | S | S | S |
| 812 | 2 | 1996 | Blood | A | + | SHV-2a | R | R | R | S | R | S | S | R | R | I | R | R | S | S | S | S |
| 1171 | 1 | 1998 | Catheter | NR | - | Negative | R | S | S | S | S | S | S | S | S | S | S | I | S | S | S | S |
| 1258 | 3 | 1999 | Blood | NR | + | SHV-5 | R | R | R | I | R | S | R | S | S | R | R | R | S | S | S | S |
| 06-268 | 4 | 2007 | Abscess | NR | + | CTX M- 15 | R | R | S | S | S | S | R | R | R | S | S | I | S | S | S | S |
| 8917 | 5 | 2011 | sputum | NR | - | Negative | R | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| 9635 | 6 | 2011 | Catheter | NR | - | Negative | R | S | S | S | S | S | S | R | R | S | S | I | S | S | S | S |
| 9351 | 6 | 2012 | Secretion | NR | - | Negative | R | S | S | S | S | S | S | S | S | S | S | I | S | I | S | S |
| 9352 | 6 | 2012 | Secretion | NR | - | Negative | R | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| 9353 | 6 | 2012 | Biliary liquids | NR | - | Negative | R | S | S | S | S | S | S | S | S | S | S | I | S | S | S | S |
| 4880 | 6 | 2013 | Blood | NR | - | Negative | R | S | S | S | S | S | S | S | S | S | S | I | S | I | S | S |
| 9326 | 6 | 2013 | Secretion | NR | - | Negative | R | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| 9387 | 6 | 2013 | Secretion | NR | - | Negative | R | S | S | S | S | S | S | S | S | S | S | I | S | S | S | S |
| 9388 | 6 | 2013 | Urine | NR | - | Negative | R | S | S | S | S | S | S | S | S | S | S | I | S | S | S | S |
| 9925 | 7 | 2013 | Abscess | NR | - | Negative | R | S | S | S | S | S | S | S | S | S | S | I | S | S | S | S |
| F2R9 | NA | 2003 | Banana root | NR | - | Negative | R | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| T29A | NA | 2003 | Sugar cane stem | NR | - | Negative | R | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| 6A2 | NA | 2003 | Banana leaves | NR | - | Negative | R | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| VI | NA | 2003 | Banana stem | B | - | Negative | R | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| 3 | NA | 2003 | Maize shoots | B | - | Negative | R | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| CFNE-2006 | NA | 2003 | Rice roots | NR | - | Negative | R | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
aHospitlas: 1, Hospital de Niño y del Adolesente Morelense (HNAM); 2, Hospital del Niño de Tabasco (HNT);; 3, Hospital Infantil de Mexico (HIM); 4, Centro Regional de Control de Enfermedades Infecciosas (CRCEI); 5, Clinica del ISSSTE-Morelos (CHM); 6, Hospital Civil de Guadalajara (HCG); 7, Hospital Manuel Gea Gonzalez (HMGG).
bR = Resistant; I = Intermediate; S = Susceptible, according to CLSI15.
Abbreviations: Amoxicillin, AMX; Cephalothin, CF; Cefoxitin, FOX; Cefuroxime, CXM; Piperaciline, PIP; Piperaciline/Tazobactam, TZP; Aztreonam, ATM; Cefotaxime, CTX; Ceftazidime, CAZ, Gentamicin, GM; Amikacin, AMK; Ticarcillin, TIC; Tetracycline, TET; Nalidixic Acid, NAL; Ciprofloxacine, CIP; Levofloxacin, LUX.