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DNA methylation is a common epigenetic signalling tool and an important biological process which is widely studied in a large array of species. The presence, level and function of DNA methylation vary greatly across species. In some insects, DNA methylation systems are minimal, and overall methylation rates tend to be low in all studied insect species. Low methylation levels probed by whole‐genome...
Social insects provide systems for studying epigenetic regulation of phenotypes, particularly with respect to differentiation of reproductive and worker castes, which typically arise from a common genetic background. The role of gene expression in caste specialization has been extensively studied, but the role of DNA methylation remains controversial. Here, we perform well replicated, integrated analyses...
Development of polymorphic phenotypes from similar genomes requires gene expression differences. However, little is known about how morph‐specific gene expression patterns vary on a broad phylogenetic scale. We hypothesize that evolution of morph‐specific gene expression, and consequently morph‐specific phenotypic evolution, may be constrained by gene essentiality and the amount of pleiotropic constraints...
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