INTRACELLULAR LOCATION AND NUMBER OF REPLICATING PARENTAL DNA MOLECULES OF BACTERIOPHAGES LAMBDA AND PHIX174

被引:73
作者
SALIVAR, WO
SINSHEIMER, RL
机构
[1] Division of Biology, California Institute of Technology Pasadena
关键词
D O I
10.1016/0022-2836(69)90124-7
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The parental DNA of bacteriophages λ and φX174 becomes associated with a host cell component after infection. This host cell component has the properties of a lipoprotein and is probably the cell membrane. There is a minimum of 60 to 80 sites on the membrane for attachment of parental λ and φX DNA, but the sites are not homologous for the two phages. Replication of parental λ and φX DNA occurs on the membrane, but, at high multiplicity, parental DNA of each is released into the cytoplasm. The semiconservative replication of φX parental replicative form DNA is limited to one or a few genomes per cell, whereas more than 60 parental λ genomes per cell can be replicated during the infective process. © 1969.
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页码:39 / +
页数:1
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