DNA methylation is maintained with high fidelity in the honey bee germline and exhibits global non-functional fluctuations during somatic development.
Keith D HarrisJames P B LloydKatherine DombDaniel ZilbermanAssaf ZemachPublished in: Epigenetics & chromatin (2019)
Based on these results, we propose that gene body CG methylation can oscillate during development if it is kept to a level adequate to preserve function. Additionally, our data suggest that heightened non-CG methylation is a conserved regulator of animal nervous systems.