Local auxin competition explains fragmented differentiation patterns

Sieve element differentiation in Arabidopsis roots requires two antagonistic regulators of auxin efflux, BRX and PAX. Here the authors show that together they coordinate sieve element formation by preventing cell fate bistability emerging from AUX1-mediated competition for auxin between neighboring...

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Autores principales: Bernard Moret, Petra Marhava, Ana Cecilia Aliaga Fandino, Christian S. Hardtke, Kirsten H. W. ten Tusscher
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/3229318d9ac04b91a38cc5d74f6b1ab1
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Sumario:Sieve element differentiation in Arabidopsis roots requires two antagonistic regulators of auxin efflux, BRX and PAX. Here the authors show that together they coordinate sieve element formation by preventing cell fate bistability emerging from AUX1-mediated competition for auxin between neighboring cells.