Unrelated conjugative plasmids have sequences which are homologous to the leading region of the F factor.
Conjugative plasmids from various incompatibility groups which carry DNA homologous to the ssb gene of the F factor were found to have additional homology with the F factor. This region homologous with F was located on both sides of the ssb gene and occupied a considerable part of the leading region, i.e., the 12.9-kilobase portion of F transferred first during conjugation. This region was the only region of the F factor which has a homologous counterpart on many plasmids.
10 references, click to expand
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Pedigrees of some mutant strains of Escherichia coli K-12.Bacteriol Rev. 1972 Dec;36(4):525-57 PMID: 4568763
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Molecular studies of R factor compatibility groups.J Bacteriol. 1973 Jul;115(1):387-98 PMID: 4577745
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Deoxyribonucleic acid-deoxyribonucleic acid hybridization of R factors.J Bacteriol. 1973 Sep;115(3):1130-4 PMID: 4199506
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Electron microscope heteroduplex studies of sequence relations among plasmids of Escherichia coli. II. Structure of drug resistance (R) factors and F factors.J Mol Biol. 1973 Apr 5;75(2):235-55 PMID: 4580676
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Conjugative plasmids of enteric bacteria from many different incompatibility groups have similar genes for single-stranded DNA-binding proteins.J Bacteriol. 1985 Apr;162(1):235-41 PMID: 3884590
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The conjugation system of F-like plasmids.Annu Rev Genet. 1980;14:41-76 PMID: 6111288
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Cloning and polypeptide analysis of the leading region in F plasmid DNA transfer.Plasmid. 1983 May;9(3):262-72 PMID: 6306705
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F sex factor of Escherichia coli K-12 codes for a single-stranded DNA binding protein.Proc Natl Acad Sci U S A. 1983 Jul;80(14):4422-6 PMID: 6308624
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F sex factor encodes a single-stranded DNA binding protein (SSB) with extensive sequence homology to Escherichia coli SSB.Proc Natl Acad Sci U S A. 1983 Sep;80(18):5480-4 PMID: 6351061
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Polynucleotide sequence relationships among plasmids of the I compatibility complex.J Gen Microbiol. 1974 Nov;85(1):65-76 PMID: 4612106
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