RECIPIENT GENE DUPLICATION DURING GENERALIZED TRANSDUCTION | Zendy

Marvin Stodolsky | Zendy

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RECIPIENT GENE DUPLICATION DURING GENERALIZED TRANSDUCTION

Author(s) -

Marvin Stodolsky

Publication year - 1974

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1093/genetics/78.3.809

Subject(s) - gene duplication , biology , transduction (biophysics) , gene , locus (genetics) , genetics , bacteriophage , plasmid , chromosome , escherichia coli , biochemistry

An Hfrl3 ΔProA-lac deletion recipient, -ΔproA-lac-F-purE+-, has been utilized in a study of the origins of duplications formed during chromosome fragment integration. Among the Pro-Lac+ transductants, some have duplications spanning the F locus. These transductants are, or segregate, strains with F' episomes carrying genes of the duplication. Some of the duplications include purE+, a gene which is not coinherited with lac+ during bacteriophage P1- mediated transduction. Thus recipient genes have been duplicated during recombinant formation. Crossing-over models including replication steps provide a basis for explaining the duplication process.

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