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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
6137
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pubmed:dateCreated |
1987-10-22
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pubmed:abstractText |
General recombination shows a dependence on large regions of homology between the two participating segments of DNA. Many site-specific recombination systems also exhibit a dependence on homology, although in these systems the requirement is limited to a short region (less than 10 base pairs (bp]. We have used the in vitro phage lambda integration reaction to study the role of homology in this model site-specific recombination system. We find that certain non-homologous pairings which are strongly blocked for complete recombination, nevertheless make one pair of strand-exchanges to generate a joint molecule of the Holliday structure type. This result rules out recombination models in which the only homology-dependent step is synapsis (the juxtaposing of the two recombination sites). Our results also reveal a functional asymmetry in the recombination sites. We present models for bacteriophage lambda integrative recombination which accommodate these findings.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:issn |
0028-0836
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
329
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
346-8
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:2957599-Bacteriophage lambda,
pubmed-meshheading:2957599-Base Sequence,
pubmed-meshheading:2957599-DNA, Bacterial,
pubmed-meshheading:2957599-DNA, Viral,
pubmed-meshheading:2957599-Escherichia coli,
pubmed-meshheading:2957599-Models, Biological,
pubmed-meshheading:2957599-Mutation,
pubmed-meshheading:2957599-Nucleic Acid Heteroduplexes,
pubmed-meshheading:2957599-Plasmids,
pubmed-meshheading:2957599-Recombination, Genetic,
pubmed-meshheading:2957599-Sequence Homology, Nucleic Acid
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pubmed:articleTitle |
Homology-dependent interactions in phage lambda site-specific recombination.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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