the cytotoxicity of mv was greater in dna repair-deficient e. coli , bs-1 ( exra uvrb ) , ng30 ( reca ) and r15 ( pola ) , than in dna-repair-proficient strains ( b/r and h/r30 ) and hs30 ( uvrb ) .
C1419240
reca
C0012899
dna-repair