A novel pathway for transversion mutation induced by dCTP misincorporation in a mutator strain of CHO cells.
AUTOR(ES)
Phear, G
RESUMO
Intracellular imbalances of dCTP produce both T----C transitions and an unusual class of transversions (A----C) at the aprt locus of CHO cells. Our data suggest that this transversion pathway is the consequence of dCTP:T mispairs which are not efficiently proofread during DNA replication.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=362603Documentos Relacionados
- PCR with 5-methyl-dCTP replacing dCTP.
- Pseudouridine synthases: four families of enzymes containing a putative uridine-binding motif also conserved in dUTPases and dCTP deaminases.
- G-->A hypermutation of the human immunodeficiency virus type 1 genome: evidence for dCTP pool imbalance during reverse transcription.
- De novo synthesis of thymidylate via deoxycytidine in dcd (dCTP deaminase) mutants of Escherichia coli.
- Effect of 3' flanking neighbors on kinetics of pairing of dCTP or dTTP opposite O6-methylguanine in a defined primed oligonucleotide when Escherichia coli DNA polymerase I is used.