质粒脱氧核糖核酸在大肠杆菌无染色体分离菌中的分离与复制。
Segregation into and replication of plasmid deoxyribonucleic acid in chromosomeless segregants of Escherichia coli.
作者信息
Inselburg J
出版信息
J Bacteriol. 1970 Jun;102(3):642-7. doi: 10.1128/jb.102.3.642-647.1970.
Abstract
The progeny cells of Escherichia coli strain P678-54, which normally do not contain deoxyribonucleic acid (DNA), were found to carry DNA when the parental cell carried colicin factor E1 (Col E1). The DNA found in the normally DNA-less segregants was shown to be Col E1 DNA, which is present primarily as a covalently closed circular molecule that can undergo more than one complete cycle of replication.
摘要
通常不含脱氧核糖核酸（DNA）的大肠杆菌菌株P678 - 54的子代细胞，当亲代细胞携带大肠杆菌素因子E1（Col E1）时，被发现携带DNA。在通常不含DNA的分离菌中发现的DNA被证明是Col E1 DNA，它主要以共价闭合环状分子的形式存在，能够进行不止一个完整的复制周期。
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