Functional CpG Methylation System in a Social Insect
- 27 October 2006
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 314 (5799) , 645-647
- https://doi.org/10.1126/science.1135213
Abstract
DNA methylation systems are well characterized in vertebrates, but methylation in Drosophila melanogaster and other invertebrates remains controversial. Using the recently sequenced honey bee genome, we present a bioinformatic, molecular, and biochemical characterization of a functional DNA methylation system in an insect. We report on catalytically active orthologs of the vertebrate DNA methyltransferases Dnmt1 and Dnmt3a and b, two isoforms that contain a methyl-DNA binding domain, genomic 5-methyl-deoxycytosine, and CpG-methylated genes. The honey bee provides an opportunity to study the roles of methylation in social contexts.Keywords
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