Single burst study of rec- and red-mediated recombination in bacteriophage lambda.

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Single burst study of rec- and red-mediated recombination in bacteriophage lambda.

Single bursts from three-point crosses of bacteriophage lambda were analyzed for recombination of markers several thousand nucleotide pairs apart. Single recombination, mediated by the rec system of Escherichia coli, is usually reciprocal. Double recombinants are also significantly correlated in single bursts, although the correlation is weaker than for reciprocal singles. Reciprocity is not fo...

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Genetic recombination in bacteriophage lambda

© The Author 2012. Published by Oxford University Press. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.5), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. Genetic recombination in bacteriop...

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Effects of nonhomology on bacteriophage lambda recombination.

When crosses are performed under conditions severely restricting DNA synthesis, the presence of DNA sequence nonhomologies in the lac region of lambda plac5 limits the parental material contribution to and the yield of phage recombinant in a region bracketed by the nonhomologies. These observations are consistent with the expectation of a role for branch migration in the formation of heterodupl...

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Mutation and recombination of bacteriophage lambda: effect of ultraviolet radiation.

Defects in the bacterial recB or recC or phage red or int gene did not impair ultraviolet light-induced clear mutations of lambda phage. Clear mutants of cI and cII genes were not enriched among RecA-promoted UV-induced recombinants between the N and O genes which closely encompass the c genes. No correlation was observed between UV-induced mutation and genetic recombination.

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Integrative recombination of bacteriophage lambda DNA in vitro.

An in vitro system for the production of integrative recombinant DNA of bacteriophage lambda is described. The in vitro recombination mimics the in vivo integration of viral DNA into host DNA in its requirement for int gene product, for the presence of a thermolabile component, and for the limitation of the recombination to a pair of specialized sites (attachment sites) on the DNA. The enzymes ...

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ژورنال

عنوان ژورنال: Proceedings of the National Academy of Sciences

سال: 1976

ISSN: 0027-8424,1091-6490

DOI: 10.1073/pnas.73.12.4613