Table 1. Mutations Found in the ramR gene in Tigecycline Resistant K. pneumoniae Isolates.
Strain | Sample | ESBL | tet | ramR |
---|---|---|---|---|
1639 | 38 | CTX-M-15 | A | Stop codon |
11 | 14 | A | Stop codon | |
11 | 21 | Frameshift mutation | ||
11 | 30 | Stop codon | ||
11 | 33 | CTX-M-15 | ISKpn18 fragment insertion | |
11 | 34 | CTX-M-3 | ISKpn18 fragment insertion | |
11 | 59 | Stop codon | ||
15 | 17 | A | Alanine to Valine | |
36 | 45 | A | Stop codon | |
37 | 32 | A | Alanine to Valine | |
65 | 4 | Isoleucine to threonine | ||
252 | 56 | Aspartic acid to Histidine | ||
270 | 48 | Stop codon | ||
273 | 36 | CTX-M-15 | A | Stop codon |
273 | 58 | CTX-M-15 | C insertion; frameshift | |
307 | 44 | A | Tyrosine to Histidine | |
307 | 47 | A | Isoleucine to Leucine | |
307 | 54 | CTX-M-15 | A | Threonine to Isoleucine |
375 | 42 | Isoleucine to threonine | ||
564 | 20 | Lysine to Glutamine | ||
581 | 31 | A | Glycine to Glutamic acid, Aspartic acid to Histidine | |
789 | 11 | CTX-M-15 | Large fragment deletion | |
789 | 26 | CTX-M-15 | Plasmid fragment insertion | |
789 | 27 | Stop codon | ||
789 | 28 | CTX-M-15 | Stop codon | |
789 | 29 | CTX-M-15 | Stop codon | |
793 | 46 | C insertion; frameshift |
ESBL, extended-spectrum beta-lactamase.