PMID: 7035822Jan 1, 1981Paper

Characterization of the transmission during cytoductant formation of the 2 micrometers DNA plasmid from Saccharomyces

Molecular & General Genetics : MGG
D C SigurdsonD M Livingston

Abstract

The transmission of the yeast 2 micrometers DNA plasmid has been examined in heterokaryons formed between a haploid donor cell containing the plasmid and a haploid recipient cell lacking the plasmid. Strains lacking the plasmid were mated to donor strains and cytoductants, haploid exconjugants arising from heterokaryons, were selected. The cytoductants bearing the genotype of the recipient cells were then tested for the presence of 2 micrometers DNA. The frequency with which the recipient received plasmid copies varied between 0 and 46%. This frequency depended on the recipient strain but was not highly dependent on whether or not the donor strain carried a kar1 mutation. Exceptional cytoductants, which had acquired a chromosome from the mating partner, were examined and found to have a much greater probability of acquiring plasmid DNA than cytoductants in general. This correlation supports the contention that plasmid copies are associated with the nucleus. In one mating the donor strain contained nearly equal amounts of two physically distinct plasmid types. Of the cytoductants bearing the recipient genotype which had acquired the plasmid during mating, most contained only one of the two plasmid types present in the donor. Ana...Continue Reading

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Citations

Oct 1, 1992·Current Genetics·F AhneF Eckardt-Schupp
Dec 1, 1986·Molecular & General Genetics : MGG·D J MeadS G Oliver
Jan 1, 1988·Molecular & General Genetics : MGG·G R ZealeyA E Wheals
Oct 1, 1986·Proceedings of the National Academy of Sciences of the United States of America·D S PedersonR T Simpson
Dec 23, 1987·Nucleic Acids Research·R H MorseR T Simpson
Dec 28, 1999·Annual Review of Cell and Developmental Biology·T R Serio, S L Lindquist
Jul 26, 2005·Proceedings of the National Academy of Sciences of the United States of America·Hussam H Shaheen, Anita K Hopper
Oct 16, 2015·FEMS Yeast Research·Pooja K StropeJohn H McCusker
Jul 1, 1987·Molecular Microbiology·J A Murray
Feb 4, 2006·Critical Reviews in Biochemistry and Molecular Biology·Anita K Hopper
Jan 1, 1992·Critical Reviews in Biotechnology·M F Tuite
Jul 18, 2003·Yeast·Brian L Olson, Paul G Siliciano
Jan 1, 1985·Critical Reviews in Microbiology·F C Odds
Sep 1, 1988·Yeast·B S CoxC S McLaughlin
Sep 1, 1989·Microbiological Reviews·F C VolkertJ R Broach
May 1, 1983·Journal of Bacteriology·A B Futcher, B S Cox
Nov 1, 1984·Molecular and Cellular Biology·S E CelnikerJ L Campbell
Sep 1, 1992·Molecular and Cellular Biology·R H MorseR T Simpson
Oct 1, 1985·Cell·P HieterP Philippsen
Oct 1, 1983·Cell·A W Murray, J W Szostak
Mar 21, 1986·Journal of Theoretical Biology·A B Futcher

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