Difference between revisions of "PMID:94144"

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'''Orr, E, Fairweather, NF, Holland, IB and Pritchard, RH'''  (1979) Isolation and characterisation of a strain carrying a conditional lethal mutation in the cou gene of Escherichia coli K12.''Mol. Gen. Genet.'' '''177''':103-12
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!align=left  |Abstract
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A strain which carries a mutation conferring clorobiocin resistance and temperature sensitivity for growth was isolated from Escherichia coli K12. Genetic mapping and the molecular weight of the gene product suggest that the mutation is in the cou gene, specifying a sub-unit of DNA gyrase. Nuclear organisation and segregation and placement of septa are grossly abnormal in the mutant at 42 degrees C. RNA synthesis and initiation of DNA replication are also affected at the restrictive temperature but the rate of DNA chain elongation continues almost undisturbed.
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[http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=94144 PubMed]
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Chromosome Mapping; Chromosomes, Bacterial; DNA Replication; DNA Topoisomerases, Type II; DNA, Bacterial; Drug Resistance, Microbial; Escherichia coli; Genes, Lethal; Mutation; Novobiocin; RNA, Bacterial; Temperature; Transduction, Genetic
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==Main Points of the Paper ==
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{{LitSignificance}}
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== Materials and Methods Used ==
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{{LitMaterials}}
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==Phenotype Annotations==
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==Notes==
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==References==
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[[Category:Publication]]

Latest revision as of 10:04, 9 September 2012

Citation

Orr, E, Fairweather, NF, Holland, IB and Pritchard, RH (1979) Isolation and characterisation of a strain carrying a conditional lethal mutation in the cou gene of Escherichia coli K12.Mol. Gen. Genet. 177:103-12

Abstract

A strain which carries a mutation conferring clorobiocin resistance and temperature sensitivity for growth was isolated from Escherichia coli K12. Genetic mapping and the molecular weight of the gene product suggest that the mutation is in the cou gene, specifying a sub-unit of DNA gyrase. Nuclear organisation and segregation and placement of septa are grossly abnormal in the mutant at 42 degrees C. RNA synthesis and initiation of DNA replication are also affected at the restrictive temperature but the rate of DNA chain elongation continues almost undisturbed.

Links

PubMed

Keywords

Chromosome Mapping; Chromosomes, Bacterial; DNA Replication; DNA Topoisomerases, Type II; DNA, Bacterial; Drug Resistance, Microbial; Escherichia coli; Genes, Lethal; Mutation; Novobiocin; RNA, Bacterial; Temperature; Transduction, Genetic

Main Points of the Paper

Please summarize the main points of the paper.

Materials and Methods Used

Please list the materials and methods used in this paper (strains, plasmids, antibodies, etc).

Phenotype Annotations

See Help:AnnotationTable for details on how to edit this table.
<protect>

Phenotype of Taxon Information Genotype Information (if known) Condition Information OMP ID OMP Term Name ECO ID ECO Term Name Notes Status

</protect>

Notes

References

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