Allele

Strains

DNA target

Revertion event

Reference

hisG46

TA100

-G-G-G-

Base-pair substitution

[22]

hisG46

TA1535

-G-G-G-

Base-pair substitution

[22]

trpE95

wp2 uraA

A:T

Base-pair substitution

hisD3052

TA98

-C-G-C-G-C-G-C-G-

Frameshift

[23]

HisC3076

TA1537

-C-C-C-C-C-C-(+1 cytosine at run of C’s)

Frameshift

[24]