Genome-Wide Control of the Distribution of Meiotic Recombination
2009

Control of Meiotic Recombination in Mice

publication 10 minutes Evidence: high

Author Information

Author(s): Corinne Grey, Frédéric Baudat, Bernard de Massy

Primary Institution: Institut de Génétique Humaine, UPR1142-CNRS, Montpellier, France

Hypothesis

How does the Dsbc1 locus regulate the distribution of meiotic recombination events in the mouse genome?

Conclusion

The Dsbc1 locus controls the distribution of meiotic recombination events across multiple chromosomes in mice.

Supporting Evidence

  • The Dsbc1 locus was identified as a key regulator of meiotic recombination.
  • Analysis showed that the presence of the wm7 haplotype significantly increased crossover activity.
  • Direct molecular evidence indicated that Dsbc1 influences crossover distribution on multiple chromosomes.

Takeaway

Scientists found a new gene that helps decide where DNA mixing happens during the creation of sperm and eggs in mice, which is important for making sure the right genes are passed on.

Methodology

The study involved genetic mapping and analysis of meiotic recombination hotspots in mouse chromosomes using various genetic crosses and molecular techniques.

Limitations

The study primarily focuses on specific mouse strains and may not generalize to all mammals.

Participant Demographics

The study used various mouse strains, including C57BL/10 and Mus musculus molossinus.

Statistical Information

P-Value

p=0.021

Confidence Interval

95%

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pbio.1000035

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