From: Tuberculosis vaccine strain Mycobacterium bovis BCG Russia is a natural recA mutant
BCG substrain | no. of HygR colonies | no. of analyzed HygR | transformants | spontaneously HygR | |
---|---|---|---|---|---|
homologous recombinants | illegitimate recombinants | ||||
recA+ substrains | |||||
Pasteur | 54 | 11 | 2 | 3 | 6 |
Frappier | 90 | 9 | 2 | 1 | 6 |
Denmark | 377 | 21 | 10 | 2 | 9 |
Σ recA+ | 521 | 41 | 14 | 6 | 21 |
recA- substrain | |||||
Russia | 72 | 23 | 0 | 16 | 7 |