Epigenetics & Chromatin (2018) 11:65 https://doi.org/10.1186/s13072-018-0235-8 Epigenetics & Chromatin RESEARCH Open Access The large fraction of heterochromatin in Drosophila neurons is bound by both B‑type lamin and HP1a Alexey V. Pindyurin1,2,3*†, Artem A....