荚膜红假单胞菌中的基因重组
Genetic recombination in Rhodopseudomonas capsulata.
作者信息
Marrs B
出版信息
Proc Natl Acad Sci U S A. 1974 Mar;71(3):971-3. doi: 10.1073/pnas.71.3.971.
Abstract
A system for genetic exchange in Rhodopseudomonas capsulata has been discovered. Each genetic marker thus far examined can be transferred, and many strains of Rps. capsulata can participate in genetic exchange. The mechanism of gene transfer seems unlike that of any previously described bacterial system, since genes can be transferred by cell-free filtrates, but the vector is resistant to deoxyribonuclease and has a sedimentation constant of about 70 S.
摘要
已发现一种用于荚膜红假单胞菌基因交换的系统。到目前为止所检测的每个遗传标记都可以转移，并且许多荚膜红假单胞菌菌株都能参与基因交换。基因转移机制似乎与之前描述的任何细菌系统都不同，因为基因可以通过无细胞滤液转移，但载体对脱氧核糖核酸酶具有抗性，沉降常数约为70S。
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