芸苔素甾类化合物在不同物种细胞壁组成和结构中的关键作用:新见解和生物技术应用。

IF 6 1区 生物学 Q1 PLANT SCIENCES Plant, Cell & Environment Pub Date : 2024-11-03 DOI:10.1111/pce.15258
Francisco Percio, Lourdes Rubio, Vitor Amorim-Silva, Miguel A Botella
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引用次数: 0

摘要

芸苔素甾类化合物(BR)是甾体植物激素,对植物的生长、发育和抗逆性至关重要。芸苔素甾类激素通过控制参与初级和次级细胞壁生物合成和新陈代谢的基因表达,调节细胞壁的结构和组成,从而发挥上述作用。这影响了纤维素、木质素和其他成分的沉积,并改变了细胞壁的内部结构,使其能够适应发育状况和环境条件。本综述将重点介绍 BR 在多个相关植物物种中对细胞壁的主要成分纤维素、半纤维素、果胶和木质素产生的影响。我们总结了通过改变BR基因表达、应用外源BR和利用BR含量的自然变化来改变细胞壁成分的结果,并描述了BR在细胞壁结构中的新作用。此外,我们还讨论了如何利用生物活性成分来满足人们的迫切需求,如提高作物产量和质量、增强抗逆性以及通过调节细胞壁提高木材产量。
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Crucial Roles of Brassinosteroids in Cell Wall Composition and Structure Across Species: New Insights and Biotechnological Applications.

Brassinosteroids (BR) are steroidal phytohormones essential for plant growth, development, and stress resistance. They fulfil this role partially by modulating cell wall structure and composition through the control of gene expression involved in primary and secondary cell wall biosynthesis and metabolism. This affects the deposition of cellulose, lignin, and other components, and modifies the inner architecture of the wall, allowing it to adapt to the developmental status and environmental conditions. This review focuses on the effects that BR exerts on the main components of the cell wall, cellulose, hemicellulose, pectin and lignin, in multiple and relevant plant species. We summarize the outcomes that result from modifying cell wall components by altering BR gene expression, applying exogenous BR and utilizing natural variability in BR content and describing new roles of BR in cell wall structure. Additionally, we discuss the potential use of BR to address pressing needs, such as increasing crop yield and quality, enhancing stress resistance and improving wood production through cell wall modulation.

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来源期刊
Plant, Cell & Environment
Plant, Cell & Environment 生物-植物科学
CiteScore
13.30
自引率
4.10%
发文量
253
审稿时长
1.8 months
期刊介绍: Plant, Cell & Environment is a premier plant science journal, offering valuable insights into plant responses to their environment. Committed to publishing high-quality theoretical and experimental research, the journal covers a broad spectrum of factors, spanning from molecular to community levels. Researchers exploring various aspects of plant biology, physiology, and ecology contribute to the journal's comprehensive understanding of plant-environment interactions.
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