Table 1 Additional β-lactamase genes in carbapenemase-producing K. pneumoniae isolates. Counts are given in exact numbers and in percentages. Genes were extracted from NGS data using ResFinder software
KPC-2 | KPC-3 | OXA-48 | NDM-1 | Total | |
|---|---|---|---|---|---|
n = 34 | n = 26 | n = 42 | n = 5 | n = 107 | |
Chromosomal β-lactamase genes | |||||
blaSHV-1 | 2 (6%) | – | 16 (38%) | 1 (20%) | 19 (18%) |
blaSHV-11 | 25 (74%) | 25 (96%) | 21 (50%) | 2 (40%) | 73 (68%) |
blaSHV-12 | 6 (18%) | – | – | – | 6 (6%) |
blaSHV-28 | – | – | 3 (7%) | 2 (40%) | 5 (5%) |
blaSHV-77 | – | – | 1 (2%) | – | 1 (1%) |
blaLEN-16 | – | – | 1 (2%) | – | 1 (1%) |
blaLEN-27 | 1 (3%) | – | – | – | 1 (1%) |
Acquired β-lactamase genes | |||||
blaTEM-1 | 25 (74%) | 23 (88%) | 34 (81%) | 3 (60%) | 85 (80%) |
blaOXA-1 | – | 1 (4%) | 27 (64%) | 2 (40%) | 30 (28%) |
blaOXA-9 | 1 (3%) | – | 10 (24%) | 1 (20%) | 12 (11%) |
blaCTX-M-14 | – | – | 4 (10%) | – | 4 (4%) |
blaCTX-M-15 | 1 (3%) | 1 (4%) | 15 (36%) | 5 (100%) | 22 (21%) |
blaCMY-2 | – | – | 1 (2%) | – | 1 (1%) |
blaVEB-1 | 1 (3%) | – | – | – | 1 (1%) |