期刊名称：Proceedings of the National Academy of Sciences
印刷版ISSN：0027-8424
电子版ISSN：1091-6490
出版年度：1974
卷号：71
期号：5
页码：2048-2051
DOI：10.1073/pnas.71.5.2048
语种：English
出版社：The National Academy of Sciences of the United States of America
摘要：A mutant strain of E. coli, initially identified by an abnormally high frequency of recombination, has been found to be defective in the 5' [->] 3' exonuclease associated with DNA polymerase I, but not in the polymerase activity. This defect is tolerated at 30{degrees
