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Article Dans Une Revue New Phytologist Année : 2024

Greenbeards in plants?

Résumé

Greenbeards are selfish genetic elements that make their bearers behave either altruistically towards individuals bearing similar greenbeard copies or harmfully towards individuals bearing different copies. They were first proposed by W. D. Hamilton over 50 yr ago, to illustrate that kin selection may operate at the level of single genes. Examples of greenbeards have now been reported in a wide range of taxa, but they remain undocumented in plants. In this paper, we discuss the theoretical likelihood of greenbeard existence in plants. We then question why the greenbeard concept has never been applied to plants and speculate on how hypothetical greenbeards could affect plant–plant interactions. Finally, we point to different research directions to improve our knowledge of greenbeards in plants.
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hal-04622694 , version 1 (24-06-2024)

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Germain Montazeaud, Laurent Keller. Greenbeards in plants?. New Phytologist, 2024, 242 (3), pp.870-877. ⟨10.1111/nph.19599⟩. ⟨hal-04622694⟩
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