4.8 Article

Epigenetic Regulator CoREST Controls Social Behavior in Ants

期刊

MOLECULAR CELL
卷 77, 期 2, 页码 338-+

出版社

CELL PRESS
DOI: 10.1016/j.molcel.2019.10.012

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资金

  1. NIH [F32GM120933]
  2. NIA [R01 5R01AG055570]

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Ants acquire distinct morphological and behavioral phenotypes arising from a common genome, underscoring the importance of epigenetic regulation. In Camponotus floridanus, Major'' workers defend the colony, but can be epigenetically reprogrammed to forage for food analogously to Minor'' workers. Here, we utilize reprogramming to investigate natural behavioral specification. Reprogramming of Majors upregulates Minor-biased genes and downregulates Major-biased genes, engaging molecular pathways fundamental to foraging behavior. We discover the neuronal corepressor for element-1-silencing transcription factor (CoREST) is upregulated upon reprogramming and required for the epigenetic switch to foraging. Genome-wide profiling during reprogramming reveals CoREST represses expression of enzymes that degrade juvenile hormone (JH), a hormone elevated upon reprogramming. High CoREST, low JH-degrader expression, and high JH levels are mirrored in natural Minors, revealing parallel mechanisms of natural and reprogrammed foraging. These results unveil chromatin regulation via CoREST as central to programming of ant social behavior, with potential far-reaching implications for behavioral epigenetics.

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