Auxin biosynthesis and its role in plant development.

Auxin biosynthesis and its role in plant development.
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DOI:
10.1146/annurev-arplant-042809-112308
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发表时间:
2010
影响因子:
23.9
通讯作者:
Zhao Y
Zhao Y
中科院分区:
生物学1区
文献类型:
--
作者:
Zhao Y

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吲哚乙酸(Indole-3-acetic acid,IAA)是高等植物中主要的生长素,对植物的生长发育具有重要的影响。植物和一些植物病原体都能产生IAA来调节植物生长。虽然在一些植物病原体中生长素生物合成的基因和生化反应已被很好地理解,但植物产生生长素的机制的阐明已被证明是困难的。到目前为止,还没有一条完整的植物生长素从头合成途径。然而,最近的研究已经导致色氨酸依赖的生长素生物合成途径中的几个基因的发现。最近的研究还表明,生长素的生物合成在许多发育过程中起着至关重要的作用,包括配子发生,胚胎发生,幼苗生长,维管图案和花的发育。在这篇综述中,我总结了最近的进展解剖生长素的生物合成途径,以及如何了解生长素的生物合成提供了一个不同的角度来分析植物发育的机制。
Indole-3-acetic acid (IAA), the main auxin in higher plants, has profound effects on plant growth and development. Both plants and some plant pathogens can produce IAA to modulate plant growth. While the genes and biochemical reactions for auxin biosynthesis in some plant pathogens are well understood, elucidation of the mechanisms by which plants produce auxin has proven to be difficult. So far, no complete pathway of de novo auxin biosynthesis in plants has been firmly established. However, recent studies have led to the discoveries of several genes in tryptophan dependent auxin biosynthesis pathways. Recent findings have also revealed that local auxin biosynthesis plays essential roles in many developmental processes including gametogenesis, embryogenesis, seedling growth, vascular patterning, and flower development. In this review, I summarize the recent advances in dissecting auxin biosynthetic pathways and how the understanding of auxin biosynthesis provides a different angle for analyzing the mechanisms of plant development.
DOI: 10.1046/j.1365-313x.1998.00163.x
发表时间: 1998-06-01
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