Isolation of meiotic recombinants from mouse sperm Journal Article


Authors: Cole, F.; Jasin, M.
Article Title: Isolation of meiotic recombinants from mouse sperm
Abstract: Homologous recombination during meiosis is critical for the formation of gametes. Recombination is initiated by programmed DNA double-strand breaks which preferentially occur at hotspots dispersed throughout the genome. These double-strand breaks are repaired from the homolog, resulting in either a crossover or noncrossover product. Multiple noncrossover events are required for homolog pairing, and at least one crossover is critical for proper chromosome segregation at the first meiotic division. Consequently, homologous recombination in meiosis occurs at high frequencies. This chapter describes how to characterize crossovers and noncrossovers at a hotspot in mice using allele-specific PCR. Amplification of recombinant products directly from sperm DNA is a powerful approach to determine recombination frequencies and map recombination breakpoints, providing insight into homologous recombination mechanisms.
Keywords: genetics; polymerase chain reaction; mouse; animal; cytology; meiosis; metabolism; animals; mice; genetic recombination; recombination, genetic; spermatozoon; spermatozoa; crossing over; crossing over, genetic
Journal Title: Methods in Molecular Biology
Volume: 745
ISSN: 1064-3745
Publisher: Humana Press Inc  
Date Published: 2011-01-01
Start Page: 251
End Page: 282
Language: English
DOI: 10.1007/978-1-61779-129-1_15
PUBMED: 21660699
PROVIDER: scopus
PMCID: PMC3640831
DOI/URL:
Notes: Chapter 15 in "DNA Recombination: Methods and Protocols" (ISBN: 978-1-61779-128-4) --- Export Date: 2 November 2011 - Source: Scopus
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MSK Authors
  1. Maria Jasin
    249 Jasin
  2. Francesca Cole
    10 Cole