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生长素合成途径的研究进展 被引量：44

Research Advances in Auxin Biosynthesis
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摘要 生长素是一类含有一个不饱和芳香族环和一个乙酸侧链的内源激素,参与植物生长发育的许多过程。植物和一些侵染植物的病原微生物都可以通过改变生长素的合成来调节植株的生长。吲哚-3-乙酸(IAA)是天然植物生长素的主要活性成分。近年来,随着IAA生物合成过程中一些关键调控基因的克隆和功能分析,人们对IAA的生物合成途径有了更加深入的认识。IAA的生物合成有依赖色氨酸和非依赖色氨酸两条途径。依据IAA合成的中间产物不同,依赖色氨酸的生物合成过程通常又划分成4条支路:吲哚乙醛肟途径、吲哚丙酮酸途径、色胺途径和吲哚乙酰胺途径。该文综述了近几年在IAA生物合成方面取得的新进展。 This review focuses on recent advances in the study of auxin biosynthesis. Auxins are compounds with an aromatic ring and a carboxylic acid group that play an important role in many aspects of plant growth and development. Both plants and some pathogens can produce indole-3-acetic acid （IAA）, the most abundant naturally occurring auxin, to modulate plant growth. Recently, several key genes involved in IAA biosynthesis have been identified and characterized. Advances in auxin biology provide novel insights into auxin biosynthesis. Genetic and biochemical studies have revealed two major pathways： Trp-dependent and independent pathways. Intermediates produced during IAA synthesis have led to the proposal of four pathways for biosynthesis of IAA from Trp in plants： indole-3-acetaldoxime, indole-3-pyruvic acid, tryptamine, and indole-3-acetamide pathways.
作者 王家利 刘冬成 郭小丽 张爱民
机构地区 莱芜职业技术学院信息工程系 中国农业大学生物学院 中国科学院遗传与发育生物学研究所
出处 《植物学报》 CAS CSCD 北大核心 2012年第3期292-301,共10页 Chinese Bulletin of Botany
基金 国家重点基础研究发展计划(No.2011CB100300)
关键词 摘要生长素是~类含有一个不饱和芳香族环和一个乙酸侧链的内源激素 参与植物生长发育的许多过程.植物和一些侵染植物的病原微生物都可以通过改变生长素的合成来调节植株的生长.吲哚.3.乙酸0AA)是天然植物生长素的主要活性成分.近年来 随着IAA生物合成过程中一些关键调控基因的克隆和功能分析 人们对IAA的生物合成途径有了更加深入的认识.IAA的生物合成有依赖色氨酸和非依赖色氨酸两条途径.依据IAA合成的中间产物不同 依赖色氨酸的生物合成过程通常又划分成4条支路:吲哚乙醛肟途径 吲哚丙酮酸途径 色胺途径和吲哚乙酰胺途径.该文综述了近几年在IAA生物合成方面取得的新进展. biosynthesis, enzyme, gene, indole-3-acetic acid
分类号 Q946 [生物学—植物学]
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参考文献20

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二级参考文献104

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植物学报
2012年 第3期

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