These results suggest that DNA methylation may be a conserved regulatory mechanism moderating division of labor in both bees and ants. Current and historic hybridization appear to have altered genomic methylation levels suggesting a possible link between changes in overall DNA methylation and the origin and regulation of genetic caste determination in P. barbatus.
Patterns of DNA Methylation in Development, Division of Labor and Hybridization in an Ant with Genetic Caste Determination (via autismandhumanatavism)
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