Mutation spectrum of gpt gene from livers of gpt/Ogg1+/− and gpt/Ogg1−/− mice which had undergone partial hepatectomy after treatment with KBrO3 for 12 weeks
The number of colonies with independent mutations are shown. The number of total colonies are in parenthesis.
Control | KBrO3 | |||||||
---|---|---|---|---|---|---|---|---|
Ogg1 | Ogg1 | Ogg1 | Ogg1 | |||||
Before | After | Before | After | Before | After | Before | After | |
Base substitution | ||||||||
Transversions | ||||||||
GC→TA | 5 | 4 | 8 | 8 | 7 | 3 | 11 | 31 (38) |
GC→CG | 1 | 2 | 2 | 0 | 2 | 0 | 2 (3) | 1 |
AT→TA | 1 | 0 | 0 | 1 | 2 | 2 | 2 | 0 |
AT→CG | 2 (3) | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
Transitions | ||||||||
GC→AT | 4 | 2 | 3 | 3 | 4 | 3 (18) | 3 | 2 |
AT→GC | 0 | 1 | 0 | 0 | 1 (7) | 1 | 1 | 0 |
Deletion | ||||||||
Single bp | 0 | 1 | 0 | 1 | 3 | 2 | 0 | 2 |
≥2 bp | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
Insertion | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
Complex | 1 (3) | 2 (3) | 1 | 0 | 0 | 2 | 1 | 2 |
Total | 14 (17) | 12 (13) | 16 | 14 | 21 (27) | 14 (29) | 20 (21) | 38 (45) |