Methylation-dependent DNA synthesis in Escherichia coli mediated by DNA polymerase I.
AUTOR(ES)
Lark, C
RESUMO
An in vitro system was used to study DNA synthesis in lysates of Escherichia coli cells which had been grown in the presence of ethionine. Such lysates showed a reduced capacity to incorporate [3H]TTP into high-molecular-weight material. Activity could be restored by incubation with S-adenosyl methionine and ATP. S-adenosyl methionine-reactivated TTP incorporation required the presence of DNA polymerase I, ATP, and all four deoxyribonucleotide triphosphates. DNA polymerase III was not required.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=218416Documentos Relacionados
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