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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2-4
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pubmed:dateCreated |
1983-12-17
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pubmed:abstractText |
Eighty temperature-sensitive (ts) mutants of vaccinia virus were examined for defects in synthesis of DNA. Nine ts mutants were incapable of synthesizing DNA at the restrictive temperature of 39.5 degrees C (DNA- mutants). Biochemical and genetic data indicate that all 9 DNA- mutants carry mutations in different genes. Temperature shift-up experiments have shown that 6 ts mutants with the DNA- phenotype have mutations in the genes coding for the proteins directly associated with vaccinia DNA synthesis. Temperature shift-down experiments in the presence of cytosine arabinoside revealed 5 ts mutants capable of synthesizing DNA at the elevated temperature, but this DNA failed to form infectious virions. These ts mutants were designated as DNAf- mutants. Pulse-chase experiments for the DNAf- mutant 1877 revealed that viral DNA produced at 39.5 degrees C was incapable of entering into mature virions or any subviral particles. Based on the data for recombination among ts mutants with the DNA- and DNAf- phenotype a tentative genetic map was constructed.
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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 |
0304-8608
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
77
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
209-21
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pubmed:dateRevised |
2001-11-2
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pubmed:meshHeading |
pubmed-meshheading:6639356-Cycloheximide,
pubmed-meshheading:6639356-DNA, Viral,
pubmed-meshheading:6639356-Genes, Viral,
pubmed-meshheading:6639356-Genetic Complementation Test,
pubmed-meshheading:6639356-Mutation,
pubmed-meshheading:6639356-Phenotype,
pubmed-meshheading:6639356-Recombination, Genetic,
pubmed-meshheading:6639356-Temperature,
pubmed-meshheading:6639356-Vaccinia virus
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pubmed:year |
1983
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pubmed:articleTitle |
Biochemical and genetic characterization of vaccinia virus temperature-sensitive mutants with DNA- and DNAf-phenotypes.
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pubmed:publicationType |
Journal Article
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