期刊
FEBS LETTERS
卷 589, 期 13, 页码 1459-1466出版社
WILEY
DOI: 10.1016/j.febslet.2015.04.043
关键词
Epigenetics; Methylation; Promoter; Development; Invertebrates; Expression
资金
- Lower Normandy Regional Council [13P00554]
DNA methylation within promoter regions (PRDM) controls vertebrate early gene transcription and thereby development, but is neglected outside this group. However, epigenetic features in the oyster Crassostrea gigas suggest functional significance of PDRM in invertebrates. To investigate this, reporter constructs containing in vitro methylated oyster Hox gene promoters were transfected into oyster embryos. The influence of in vivo methylation was studied using bisulfite sequencing and DNA methyltransferase inhibition during development. Our results demonstrate that methylation controls the transcriptional activity of the promoters investigated, unraveling a functional role for PRDM in a lophotrochozoan, an important finding regarding the evolution of epigenetic regulation. (C) 2015 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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