PMID: 3749335Sep 1, 1986Paper

Sequence relations among the IncY plasmid p15B, P1, and P7 prophages

Plasmid
J MeyerW Arber

Abstract

Electron microscopic analysis of heteroduplex molecules between the 94-kb plasmid p15B and the 92-kb phage P1 genome revealed nine regions of nonhomology, eight substitutions, and two neighboring insertions. Overall, the homologous segments correspond to 83% of the P1 genome and 81% of p15B. Heteroduplex molecules between p15B and the 99-kb phage P7 genome showed nonhomology in eight of the same nine regions; in addition, two new nonhomologous segments are present and P7 carries a 5-kb insertion representing Tn902. The DNA homology between those two genomes amounts to 79% of P7 DNA and 83% of p15B. Plasmid p15B contains two stem-loop structures. One of them has no equivalent structure on P1 and P7 DNA. The other substitutes the invertible C segments of P1 and P7 and their flanking sequences including cin, the gene for the site-specific recombinase mediating inversion.

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Citations

Feb 1, 1990·Proceedings of the National Academy of Sciences of the United States of America·H SandmeierW Arber
May 12, 2004·Journal of Molecular Biology·Nicholas ThomsonGordon Dougan
Jan 26, 2018·The Journal of Antimicrobial Chemotherapy·M RozwandowiczJ Hordijk
Jun 17, 1998·Biological Chemistry·S RamchandaniM Szyf
Dec 13, 2019·Scientific Reports·Carola VenturiniSteven P Djordjevic
Nov 5, 1992·Journal of Molecular Biology·H LehnherrW Arber

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