Parallel evolution of male germline epigenetic poising and somatic development in animals

Bluma J. Lesch, Sherman J. Silber, John R. McCarrey, David C. Page

Resultado de la investigación: Articlerevisión exhaustiva

60 Citas (Scopus)


Changes in gene regulation frequently underlie changes in morphology during evolution, and differences in chromatin state have been linked with changes in anatomical structure and gene expression across evolutionary time. Here we assess the relationship between evolution of chromatin state in germ cells and evolution of gene regulatory programs governing somatic development. We examined the poised (H3K4me3/H3K27me3 bivalent) epigenetic state in male germ cells from five mammalian and one avian species. We find that core genes poised in germ cells from multiple amniote species are ancient regulators of morphogenesis that sit at the top of transcriptional hierarchies controlling somatic tissue development, whereas genes that gain poising in germ cells from individual species act downstream of core poised genes during development in a species-specific fashion. We propose that critical regulators of animal development gained an epigenetically privileged state in germ cells, manifested in amniotes by H3K4me3/H3K27me3 poising, early in metazoan evolution.

Idioma originalEnglish (US)
Páginas (desde-hasta)888-894
Número de páginas7
PublicaciónNature Genetics
EstadoPublished - ago 1 2016
Publicado de forma externa

ASJC Scopus subject areas

  • Genetics


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