从天蓝色链霉菌A3(2)中分离共价闭合环状脱氧核糖核酸。
Isolation of covalently closed circular deoxyribonucleic acid from Streptomyces coelicolor A3(2).
作者信息
Schrempf H, Bujard H, Hopwood D A, Goebel W
出版信息
J Bacteriol. 1975 Feb;121(2):416-21. doi: 10.1128/jb.121.2.416-421.1975.
Abstract
Covalently closed circular deoxyribonucleic acid (DNA) was isolated from two strains of Streptomyces coelicolor A3(2), representing two of the known fertility types. In each of the two strains circular DNA of about 20 times 10-6 daltons could be detected, amounting to about 1.5% of the total cellular DNA. The possible function of this DNA is discussed.
摘要
从两株天蓝色链霉菌A3(2)中分离出共价闭合环状脱氧核糖核酸（DNA），这两株菌代表了已知的两种育性类型。在这两株菌中，均能检测到约20×10⁻⁶道尔顿的环状DNA，其含量约占细胞总DNA的1.5%。本文讨论了这种DNA可能的功能。
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