生长素生物合成：植物中色氨酸到吲哚-3-乙酸的简单两步途径。
Auxin biosynthesis: a simple two-step pathway converts tryptophan to indole-3-acetic acid in plants.
机构信息
Section of Cell and Developmental Biology, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0116, USA.
出版信息
Mol Plant. 2012 Mar;5(2):334-8. doi: 10.1093/mp/ssr104. Epub 2011 Dec 8.
Abstract
Indole-3-acetic acid (IAA), the main naturally occurring auxin, is essential for almost every aspect of plant growth and development. However, only recently have studies finally established the first complete auxin biosynthesis pathway that converts tryptophan (Trp) to IAA in plants. Trp is first converted to indole-3-pyruvate (IPA) by the TAA family of amino transferases and subsequently IAA is produced from IPA by the YUC family of flavin monooxygenases. The two-step conversion of Trp to IAA is the main auxin biosynthesis pathway that plays an essential role in many developmental processes.
摘要
吲哚-3-乙酸（IAA），主要的天然植物生长素，对植物生长和发育的几乎所有方面都是必不可少的。然而，直到最近，研究才最终确定了第一个完整的植物生长素生物合成途径，该途径将色氨酸（Trp）转化为 IAA。色氨酸首先被 TAA 家族的氨基酸转移酶转化为吲哚-3-丙酮酸（IPA），然后 IPA 被黄素单加氧酶（YUC）家族转化为 IAA。色氨酸两步转化为 IAA 是主要的生长素生物合成途径，在许多发育过程中起着至关重要的作用。
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本文引用的文献
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Proc Natl Acad Sci U S A. 2011 Nov 8;108(45):18512-7. doi: 10.1073/pnas.1108434108. Epub 2011 Oct 24.
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Conversion of tryptophan to indole-3-acetic acid by TRYPTOPHAN AMINOTRANSFERASES OF ARABIDOPSIS and YUCCAs in Arabidopsis.拟南芥和羽扇豆色氨酸转氨酶将色氨酸转化为吲哚-3-乙酸。
Proc Natl Acad Sci U S A. 2011 Nov 8;108(45):18518-23. doi: 10.1073/pnas.1108436108. Epub 2011 Oct 24.
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