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Article . 2014 . Peer-reviewed
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PubMed Central
Other literature type . 2014
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No Detectable Effect of the DNA Methyltransferase DNMT2 on Drosophila Meiotic Recombination

Authors: Heil, Caiti S. Smukowski;

No Detectable Effect of the DNA Methyltransferase DNMT2 on Drosophila Meiotic Recombination

Abstract

Abstract Epigenetics is known to be involved in recombination initiation, but the effects of specific epigenetic marks like DNA methylation on recombination are relatively unknown. Studies in Arabidopsis and the fungus Ascobolus immersus suggest that DNA methylation may suppress recombination rates and/or alter its distribution across the genome; however, these patterns appear complex, and more direct inquiries are needed. Unlike other organisms, Drosophila only have one known DNA methyltransferase, DNMT2, which is expressed in the ovaries and historically has been thought to be responsible for limited genomic DNA methylation. To test for a role of DNMT2 on the frequency and distribution of recombination, I compared recombination rates between Dnmt2 −/− and Dnmt2 +/− Drosophila melanogaster individuals in two euchromatic regions and one heterochromatic region across the genome. I failed to detect an altered pattern of recombination rate in the absence of DNMT2 in all regions surveyed, and conclude that other epigenetic effects are regulating recombination initiation in Drosophila.

Related Organizations
Keywords

Recombination, Genetic, Meiosis, Drosophila melanogaster, Animals, Drosophila Proteins, DNA (Cytosine-5-)-Methyltransferases, Investigations, Chromatin, Epigenesis, Genetic

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
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