[肌动噬菌体F448和天蓝色链霉菌66的DNA中嘧啶等长片段的频率分布]
[Frequency distribution of pyrimidine isopliths in the DNA of actinophage F448 and Actinomyces coelicolor 66].
作者信息
Karag'ozov L K, Lysenko A M, Belousova A A
出版信息
Biokhimiia. 1976 Sep;41(9):1651-5.
PMID:974180
Abstract
Base composition distribution of pyrimidine isopliths with general formula PyrnPn+1 in DNA of Actinomyces coelicolor 66 Kras. and in DNK of its actinophage F448 were investigater. These DNAs differ both pyrimidine isoplith distribution and in composition. The quality of shorter pyrimidine tracts in Actinomyces coelicolor DNA is higher compared with that in actinophage F448 DNA. The possibility of exogenic origin of actinophage F448 is discussed.
摘要
对天蓝色链霉菌66 Kras. 的DNA以及其肌动噬菌体F448的DNA中具有通式PyrnPn + 1的嘧啶等长片段的碱基组成分布进行了研究。这些DNA在嘧啶等长片段分布和组成上均有所不同。与肌动噬菌体F448 DNA相比，天蓝色链霉菌DNA中较短嘧啶序列的质量更高。文中讨论了肌动噬菌体F448外源起源的可能性。
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