PMID:6379647: Difference between revisions

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<span style = 'font-size: large'> '''Blanar, MA, Sandler, SJ, Armengod, ME, Ream, LW and Clark, AJ'''  (1984) Molecular analysis of the recF gene of Escherichia coli.''Proc. Natl. Acad. Sci. U.S.A.'' '''81''':4622-6</span>
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'''Blanar, MA, Sandler, SJ, Armengod, ME, Ream, LW and Clark, AJ'''  (1984) Molecular analysis of the recF gene of Escherichia coli. ''Proc. Natl. Acad. Sci. U.S.A.'' '''81''':4622-6
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We analyzed the nucleotide sequence of a 1.325-kilobase region of wild-type Escherichia coli containing a functional recF gene and six Tn3 mutations that inactivate recF. The analysis shows a potentially translatable reading frame of 1071 nucleotides, which is interrupted by all six insertions. A protein of 40.5 kilodaltons would result from translation of the open reading frame, and a radioactive band of protein of an apparent molecular weight of approximately 40 kilodaltons was seen by the maxicell method using a recF+ plasmid. Putative truncated peptides were seen when two recF::Tn3 mutant plasmids were used. Differential expression of dnaN and recF from a common promoter was noted. recF332::Tn3 was transferred to the chromosome where, in hemizygous condition, it produced UV sensitivity indistinguishable from that produced by two presumed recF point mutations.
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[http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=6379647 PubMed] [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC391542 PMC391542]


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|{{TableHeadingColor}} |'''Abstract''' || <protect>We analyzed the nucleotide sequence of a 1.325-kilobase region of wild-type Escherichia coli containing a functional recF gene and six Tn3 mutations that inactivate recF. The analysis shows a potentially translatable reading frame of 1071 nucleotides, which is interrupted by all six insertions. A protein of 40.5 kilodaltons would result from translation of the open reading frame, and a radioactive band of protein of an apparent molecular weight of approximately 40 kilodaltons was seen by the maxicell method using a recF+ plasmid. Putative truncated peptides were seen when two recF::Tn3 mutant plasmids were used. Differential expression of dnaN and recF from a common promoter was noted. recF332::Tn3 was transferred to the chromosome where, in hemizygous condition, it produced UV sensitivity indistinguishable from that produced by two presumed recF point mutations.</protect>
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|{{TableHeadingColor}} nowrap |'''Links''' ||  [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=6379647 PubMed]
Amino Acid Sequence; Bacterial Proteins/genetics; Base Sequence; DNA Repair; DNA Replication; Escherichia coli/genetics; Genes, Bacterial; Molecular Weight; Mutation; Plasmids; Recombination, Genetic
 
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==Significance {{HelpIcon|Help:Literature}} ==
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==Annotations {{HelpIcon|Help:Literature}}==
==Annotations {{HelpIcon|Help:Literature}}==
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==EcoliWiki Links {{HelpIcon|Help:Literature}} ==
==EcoliWiki Links {{HelpIcon|Help:Literature}} ==

Latest revision as of 04:49, 15 September 2013

Citation

Blanar, MA, Sandler, SJ, Armengod, ME, Ream, LW and Clark, AJ (1984) Molecular analysis of the recF gene of Escherichia coli. Proc. Natl. Acad. Sci. U.S.A. 81:4622-6

Abstract

We analyzed the nucleotide sequence of a 1.325-kilobase region of wild-type Escherichia coli containing a functional recF gene and six Tn3 mutations that inactivate recF. The analysis shows a potentially translatable reading frame of 1071 nucleotides, which is interrupted by all six insertions. A protein of 40.5 kilodaltons would result from translation of the open reading frame, and a radioactive band of protein of an apparent molecular weight of approximately 40 kilodaltons was seen by the maxicell method using a recF+ plasmid. Putative truncated peptides were seen when two recF::Tn3 mutant plasmids were used. Differential expression of dnaN and recF from a common promoter was noted. recF332::Tn3 was transferred to the chromosome where, in hemizygous condition, it produced UV sensitivity indistinguishable from that produced by two presumed recF point mutations.

Links

PubMed PMC391542

Keywords

Amino Acid Sequence; Bacterial Proteins/genetics; Base Sequence; DNA Repair; DNA Replication; Escherichia coli/genetics; Genes, Bacterial; Molecular Weight; Mutation; Plasmids; Recombination, Genetic

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