compounds of various chemical classes were comparatively assayed in the ames reversion test with his- s. typhimurium strains ta1535 , ta157 , ta1538 , ta98 , ta100 , and , in part , ta97 , and in a dna-repair test with trp- e. coli strains wp2 ( repair-proficient ) , wp67 ( uvra- pola- ) and cm871 ( uvra- reca- lexa- ) .
C0012899
dna-repair
C1419240
reca