Arabidopsis cytochrome P450s that catalyze the first step of tryptophan-dependent indole-3-acetic acid biosynthesis

被引：357

作者：

Hull, AK ^{[1
]}

Vij, R ^{[1
]}

Celenza, JL ^{[1
]}

机构：

[1] Boston Univ, Dept Biol, Boston, MA 02215 USA

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2000年 / 97卷 / 05期

关键词：

auxin; metabolism; glucosinolates;

D O I：

10.1073/pnas.040569997

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Plants synthesize numerous secondary metabolites that are used as developmental signals or as defense against pathogens, Tryptophan (Trp)-derived secondary metabolites include camalexin, indole glucosinolates, and indole-3-acetic acid (IAA); however, the steps in their synthesis from Trp or its precursors remain unclear. We have identified two Arabidopsis cytochrome P450s (CYP79B2 and CYP79B3) that can convert Trp to indole-3-acetaldoxime (IAOx), a precursor to IAA and indole glucosinolates.

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页码：2379 / 2384

页数：6

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