Analysis of Recombination and Chromosome Structure during Yeast Meiosis

Author:

Börner G. Valentin,Cha Rita S.

Abstract

Meiosis is a diploid-specific differentiation program that consists of a single round of genome duplication followed by two rounds of chromosome segregation. These events result in halving of the genetic complement, which is a requirement for formation of haploid reproductive cells (i.e., spores in yeast and gametes in animals and plants). During meiosis I, homologous maternal and paternal chromosomes (homologs) pair and separate, whereas sister chromatids remain connected at the centromeres and separate during the second meiotic division. In most organisms, accurate homolog disjunction requires crossovers, which are formed as products of meiotic recombination. For the past two decades, studies of yeast meiosis have provided invaluable insights into evolutionarily conserved mechanisms of meiosis.

Publisher

Cold Spring Harbor Laboratory

Subject

General Biochemistry, Genetics and Molecular Biology

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