THE GENETIC CONSTITUTION OF TANDEM DUPLICATIONS OF THE rII OF BACTERIOPHAGE T4D | Zendy

David H Parma | Zendy; Marlene Snyder | Zendy

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THE GENETIC CONSTITUTION OF TANDEM DUPLICATIONS OF THE rII OF BACTERIOPHAGE T4D

Author(s) -

David H Parma,

Marlene Snyder

Publication year - 1973

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/73.2.161

Subject(s) - biology , bacteriophage , genetics , gene duplication , tandem exon duplication , tandem , gene , escherichia coli , materials science , composite material

Methods for genetically mapping the end points of tandem duplicatictions of the rII region of bacteriophage T4D are presented. Analysis of ten duplications indicates (1) that the position of duplication end points and therefore the length of the duplicated segment differ in strains of independent origin; (2) that there is a direct relationship between segregation frequency and length; (3) that segregation is more frequent than expected on the basis of standard genetic mapping; and (4) that while duplications frequently include non-rII genetic material, frequently they do not include the entire rII region. The duplications studied range from less than two to about five cistrons in length.

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