Table 5 Characterization of ESBL producers among 58 strains isolated from outpatients and student volunteers in faecal flora
No. of ESBL producers (%) | Positive genes detected by multiplex and simplex PCR assays (no. of isolates) | ESBL (no. of isolates) | Other ß-lactamase genes | |
|---|---|---|---|---|
Outpatients | ||||
Citrobacter freundii | 5 (10.4) | TEM, OXA-1-like, CTX-M (3) | CTX-M-15 (3) | TEM-1, OXA-1 |
TEM, CTX-M (1) | CTX-M-15 (1) | TEM-1 | ||
TEM, SHV(1) | SHV-12 (1) | TEM-1 | ||
Enterobacter cloacae | 9 (18.8) | TEM, OXA-1-like, CTX-M (9) | CTX-M-15 (9) | TEM-1, OXA-1 |
Escherichia coli | 32 (66.7) | CTX-M (10) | CTX-M-15 (10) | None |
TEM, CTX-M (8) | CTX-M-15 (7) | TEM-1 | ||
CTX-M-1 (1) | TEM-1 | |||
OXA-1-like, CTX-M (7) | CTX-M-15 (7) | OXA-1 | ||
TEM, OXA-1-like, CTX-M (6) | CTX-M-15 (6) | TEM-1, OXA-1 | ||
SHV (1) | SHV-12 (1) | None | ||
Klebsiella pneumoniae | 2 (4.2) | CTX-M (1) | CTX-M-15 (1) | None |
TEM, SHV, CTX-M (1) | CTX-M-15 (1) | TEM-1, SHV-1 | ||
Student volunteers | ||||
Escherichia coli | 9 (90) | TEM, OXA-1-like, CTX-M (7) | CTX-M-15 (7) | TEM-1, OXA-1 |
TEM, CTX-M (2) | CTX-M-15 (2) | TEM-1 | ||
Klebsiella pneumoniae | 1 (10) | TEM, SHV, CTX-M (1) | CTX-M-15 (1) | TEM-1, SHV-1 |