TABLE 3.
Mutations identified in the lipid A biosynthesis genes of colistin-resistant A. baumannii ATCC 19606 derivatives
Strain | Gene | Nucleotide change | Effect |
---|---|---|---|
AL1833 | lpxC | C → T substitution at nt 89 | Amino acid change P30L |
AL1834 | lpxC | Single base deletion at nt 135 | Frameshift after D45 |
AL1842 | lpxC | 84-bp deletion at nt 858 | Frameshift after T285 |
AL1843 | lpxC | C → T substitution at nt 89 | Amino acid change P30L |
AL1844 | lpxA | C → G substitution at nt 475 | Amino acid change H159D |
AL1845 | lpxA | C → T substitution at nt 700 | Truncation after D233 |
AL1846 | lpxA | G → A substitution at nt 203 | Amino acid change G68D |
AL1847 | lpxA | 30-bp deletion at nt 391 | Frameshift after D130 |
AL1848 | lpxA | C → A substitution at nt 214 | Amino acid change Q72K |
AL1849 | lpxA | 2-bp deletion at nt 76 | Frameshift after I25 |
AL1851 | lpxA | 445-bp deletion at nt 364 | Frameshift after H121 |
AL1852 | lpxD | Single base deletion at nt 952 | Frameshift after K317 |