BRANCHED1: A Key Hub of Shoot Branching

Shoot branching is a key process for plant growth and fitness. Newly produced axes result from axillary bud outgrowth, which is at least partly mediated through the regulation of gene expression (BRC1/TB1/FC1). encodes a pivotal bud-outgrowth-inhibiting transcription factor belonging to the TCP fami...

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Bibliographic Details
Published in:Frontiers in plant science 2019-02, Vol.10, p.76-76
Main Authors: Wang, Ming, Le Moigne, Marie-Anne, Bertheloot, Jessica, Crespel, Laurent, Perez-Garcia, Maria-Dolores, Ogé, Laurent, Demotes-Mainard, Sabine, Hamama, Latifa, Davière, Jean-Michel, Sakr, Soulaiman
Format: Article
Language:English
Subjects:
hormones
Life Sciences
light
nutrients
Plant Science
regulation
shoot branching
TCP transcription factors
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Summary:Shoot branching is a key process for plant growth and fitness. Newly produced axes result from axillary bud outgrowth, which is at least partly mediated through the regulation of gene expression (BRC1/TB1/FC1). encodes a pivotal bud-outgrowth-inhibiting transcription factor belonging to the TCP family. As the regulation of expression is a hub for many shoot-branching-related mechanisms, it is influenced by endogenous (phytohormones and nutrients) and exogenous (light) inputs, which involve so-far only partly identified molecular networks. This review highlights the central role of BRC1 in shoot branching and its responsiveness to different stimuli, and emphasizes the different knowledge gaps that should be addressed in the near future.
ISSN:1664-462X
1664-462X
DOI:10.3389/fpls.2019.00076