Open AccessAnalysis of a circular derivative of Saccharomyces cerevisiae chromosome III: a physical map and identification and location of ARS elements.
Author(s) -
Carol S. Newlon,
Lolya Lipchitz,
Irene Collins,
Atul Deshpande,
Rodney J. Devenish,
R P Green,
Hannah L. Klein,
Timothy Palzkill,
Rong Ren,
S Synn
Publication year - 1991
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/129.2.343
Subject(s) - biology , genetics , identification (biology) , saccharomyces cerevisiae , chromosome , physical mapping , derivative (finance) , computational biology , gene mapping , gene , botany , financial economics , economics
DNA was isolated from a circular derivative of chromosome III to prepare a library of recombinant plasmids enriched in chromosome III sequences. An ordered set of recombinant plasmids and bacteriophages carrying the contiguous 210-kilobase region of chromosome III between the HML and MAT loci was identified, and a complete restriction map was prepared with BamHI and EcoRI. Using the high frequency transformation assay and extensive subcloning, 13 ARS elements were mapped in the cloned region. Comparison of the physical maps of chromosome III from three strains revealed that the chromosomes differ in the number and positions of Ty elements and also show restriction site polymorphisms. A comparison of the physical map with the genetic map shows that meiotic recombination rates vary at least tenfold along the length of the chromosome.
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