Divergent receptor proteins confer responses to different karrikins in two ephemeral weeds

Karrikins are germination stimulants perceived by KAI2 in Arabidopsis. Here the authors show that Brassica tournefortii, a close relative to Arabidopsis, has multiple copies of KAI2 with amino acid substitutions that confer responsiveness to the specific karrikin compounds found in wildfire smoke.

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Auteurs principaux: Yueming Kelly Sun, Jiaren Yao, Adrian Scaffidi, Kim T. Melville, Sabrina F. Davies, Charles S. Bond, Steven M. Smith, Gavin R. Flematti, Mark T. Waters
Format: article
Langue:EN
Publié: Nature Portfolio 2020
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Accès en ligne:https://doaj.org/article/fa5aab5da8dc4d8f9eaf5af824ee687e
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