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PMID: 1070013 Published · ppublish English Journal Article Research Support, U.S. Gov't, Non-P.H.S.

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

Sarthy PV, Meselson M

Abstract

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 found in crosses mediated by the lambda red system. With respect to certain other paraments of recombination, the two systems appear to be alike. Double recombinants usually result from one event, not from two independent single recombinations, and their average clone size is about half that of single recombinants. The results are discussed in terms of current molecular models of recombination.

MeSH Terms
Base Sequence Chromosome Mapping Coliphages/physiology Genes Genes, Regulator Recombination, Genetic
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Sarthy P V
Meselson M
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23 references, click to expand
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Article Info
Journal
Proceedings of the National Academy of Sciences of the United States of America
Abbr.
Proc Natl Acad Sci U S A
ISSN
0027-8424
Published
1976-12-00
Pages
4613-7
Language
English
Region
United States
NLM ID
7505876
PMCID
PMC431566
Subset
IM
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