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Brief Bioinform. 2017 Jan;18(1):98-104. doi: 10.1093/bib/bbw007. Epub 2016 Feb 5.

GED: a manually curated comprehensive resource for epigenetic modification of gametogenesis.


Reproductive infertility affects seventh of couples, which is most attributed to the obstacle of gametogenesis. Characterizing the epigenetic modification factors involved in gametogenesis is fundamental to understand the molecular mechanisms and to develop treatments for human infertility. Although the genetic factors have been implicated in gametogenesis, no dedicated bioinformatics resource for gametogenesis is available. To elucidate the relationship of epigenetic modification and mammalian gametogenesis, we developed a new database, gametogenesis epigenetic modification database (GED), a manually curated database, which aims at providing a comprehensive resource of epigenetic modification of gametogenesis. The database integrates three kinds information of epigenetic modifications during gametogenesis (DNA methylation, histone modification and RNA regulation), and the gametogenesis has been detailed as 16 stages in seven mammal species (Homo sapiens, Mus musculus, Rattus norvegicus, Sus scrofa, Bos taurus, Capra hircus and Ovis aries). Besides, we have predicted the linear pathways of epigenetic modification which were composed of 211 genes/proteins and microRNAs that were involved in gametogenesis. GED is a user-friendly Web site, through which users can obtain the comprehensive epigenetic factor information and molecular pathways by visiting our database freely. GED is free available at


database; epigenetic modification; gametogenesis; network; pathway

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