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Table 2 SNPs in the alkA region

From: A non-sense mutation in the putative anti-mutator gene ada/alkA of Mycobacterium tuberculosis and M. bovis isolates suggests convergent evolution

 

Downstream region

ada/alkAb

Upstream region

SNP positiona

SNP1 1471.218

SNP2 1471.659

SNP3 1477.028

Codon 337 1478.108

Codon 269 1478.312

Codon 79 1478.883

Codon 12 1479.085

Codon 11 1479.088

SNPs 4, 5, 6 1480.972, 1482.627, 1484.708

Strains

In CAR strains

M.tb alkA 79+337 c

wt

C→T

wt

AC T→AA T

wt

TG G→TA G

wt

wt

T→C, T→C, A→C

M.tb alkA 337 d

wt

C→T

wt

AC T→AA T

wt

wt

wt

wt

T→C, T→C, A→C

M.bv CAR e

C→T

C→T

wt

wt

wt

wt

A TC→G TC

wt

T→C, T→C, A→C

 

in other strains

M.bv AF2122

C→T

C→T

C→-

wt

CTG→CTA

TG G→TA G

A TC→G TC

wt

T→C, T→C, A→C

M. bv BCG

C→T

C→T

wt

wt

CTG→CTA

wt

A TC→G TC

wt

T→C, T→C, A→C

M.tb 210

wt

C→T

wt

wt

wt

wt

A TC→G TC

G CG→A CG

T→C, T→C, A→C

M.tb CDC1551

wt

C→T

wt

wt

wt

wt

wt

wt

T→C, T→C, A→C

M.tb H37Rv

wt

wt

wt

wt

wt

wt

wt

wt

wt

  1. a SNP position = base position according to the numbering of the H37Rv genome [18]
  2. b ada/alkA coding sequence is on the minus strand
  3. c isolates from CAR that harbour variations at codon 79 and 337 in ada/alkA, 8/8 isolates sequenced
  4. d isolates from CAR that harbour variations at codon 337 in ada/alkA, 5/25 isolates sequenced
  5. e M. bovis isolate from CAR sequenced (one isolate)
  6. CAR, Central African Republic ; M.bv, Mycobacterium bovis ; M.tb, Mycobacterium tuberculosis ; wt, wild type (H37Rv).