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噬菌体T7与T7 DNA克隆片段之间的基因重组和互补作用。

Genetic recombination and complementation between bacteriophage T7 and cloned fragments of T7 DNA.

作者信息

Campbell J L, Richardson C C, Studier F W

出版信息

Proc Natl Acad Sci U S A. 1978 May;75(5):2276-80. doi: 10.1073/pnas.75.5.2276.

Abstract

Frafments of phage T7 DNA have been cloned in Escherichia coli by using the plasmid pMB9. Such cloned fragments are able to recombine with infecting phages, thus providing a means to integrate the physical and genetic maps of T7 DNA. Approximately 65% of the T7 DNA molecule has been found in clones so far, and analysis of these clones has mapped genes 12-17 with an accuracy of about 1% the total length of T7 DNA. At least some cloned segments can supply T7 functions to infecting phages.

摘要

利用质粒pMB9已将噬菌体T7 DNA片段克隆到大肠杆菌中。这种克隆片段能够与感染性噬菌体发生重组,从而提供了一种整合T7 DNA物理图谱和遗传图谱的方法。到目前为止,在克隆中已发现约65%的T7 DNA分子,对这些克隆的分析已将基因12 - 17定位,其精度约为T7 DNA全长的1%。至少一些克隆片段能为感染性噬菌体提供T7功能。

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Enzymatic end-to end joining of DNA molecules.DNA分子的酶促端对端连接
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Physical mapping of the early region of bacteriophage T7 DNA.噬菌体T7 DNA早期区域的物理图谱
J Mol Biol. 1973 Sep 15;79(2):249-65. doi: 10.1016/0022-2836(73)90004-1.
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