Article (Scientific journals)
Unlocking the Multifaceted Mechanisms of Bud Outgrowth: Advances in Understanding Shoot Branching.
Yuan, Yundong; Khourchi, Said; Li, Shujia et al.
2023In Plants, 12 (20), p. 3628
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Keywords :
axillary meristem (AM); biotic stresses; branching; bud outgrowth; light; nutrients; plant hormones; sugars; temperature; tillering; water; Ecology, Evolution, Behavior and Systematics; Ecology; Plant Science
Abstract :
[en] Shoot branching is a complex and tightly regulated developmental process that is essential for determining plant architecture and crop yields. The outgrowth of tiller buds is a crucial step in shoot branching, and it is influenced by a variety of internal and external cues. This review provides an extensive overview of the genetic, plant hormonal, and environmental factors that regulate shoot branching in several plant species, including rice, Arabidopsis, tomato, and wheat. We especially highlight the central role of TEOSINTE BRANCHED 1 (TB1), a key gene in orchestrating bud outgrowth. In addition, we discuss how the phytohormones cytokinins, strigolactones, and auxin interact to regulate tillering/branching. We also shed light on the involvement of sugar, an integral component of plant development, which can impact bud outgrowth in both trophic and signaling ways. Finally, we emphasize the substantial influence of environmental factors, such as light, temperature, water availability, biotic stresses, and nutrients, on shoot branching. In summary, this review offers a comprehensive evaluation of the multifaced regulatory mechanisms that underpin shoot branching and highlights the adaptable nature of plants to survive and persist in fluctuating environmental conditions.
Disciplines :
Agriculture & agronomy
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Yuan, Yundong ;  National Key Laboratory of Wheat Improvement, College of Life Sciences, Shandong Agricultural University, Tai'an 271018, China
Khourchi, Said  ;  Université de Liège - ULiège > TERRA Research Centre
Li, Shujia;  Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
Du, Yanfang ;  National Key Laboratory of Wheat Improvement, College of Life Sciences, Shandong Agricultural University, Tai'an 271018, China
Delaplace, Pierre  ;  Université de Liège - ULiège > TERRA Research Centre > Plant Sciences
Language :
English
Title :
Unlocking the Multifaceted Mechanisms of Bud Outgrowth: Advances in Understanding Shoot Branching.
Publication date :
20 October 2023
Journal title :
Plants
eISSN :
2223-7747
Publisher :
Multidisciplinary Digital Publishing Institute (MDPI), Switzerland
Volume :
12
Issue :
20
Pages :
3628
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
This work was funded by the National Key Research and Development Program of China (2021YFD1200601-08).
Available on ORBi :
since 29 November 2024

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