Strain designation

Relevant Genetic Markers

Source

Ames Tester Strains

TA97a

uvrB, hisD661, bio, rfa, R-factor plasmid-pkM101, frame shift mutation at G-C site

T. Nohmi, National Institute of Hygienic Sciences, Division of Genetics and Mutagenesis, Tokyo, Japan

TA98

uvrB, hisD3052, bio, rfa, R-factor plasmid-pkM101 frame shift mutation at G-C site

TA100

uvrB, hisG46, bio, rfa, R-factor plasmid-pkM101, base pair substitution mutation at G-C site

TA102

rfa, R-factor plasmid-pkM101, multicopy plasmid paQ1 containing hisG428 auxotrophic marker and Tet^r, transition mutation at A-T site

TA104

uvrB, hisG428, rfa, R-factor plasmid-pkM101, transition mutation at A-T site