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An epigenetic key to unlock behavior change [Phys]

par Frédéric Magné - publié le

When it comes to behaviour, researchers have moved beyond the "nature versus nurture" debate. It’s understood that genes and environment both play a role. However, how they interact at a molecular level to shape behaviour is still unclear.
A new study sheds valuable light on this relationship. The paper, published today in PNAS, reveals how epigenetics - changes in gene expression that do not change DNA - interact with genes to shape different feeding behaviours in fruit flies. This research unlocks the molecular mechanism that leads "rover" flies to forage for food more than "sitter" flies. It is the first study of its kind to show a causal link between epigenetics, genetics and behaviour.

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