BIOSYNTHESIS AND METABOLISM OF SALICYLIC-ACID

被引：234

作者：

LEE, HI ^{[1
]}

LEON, J ^{[1
]}

RASKIN, I ^{[1
]}

机构：

[1] RUTGERS STATE UNIV, COOK COLL, AGBIOTECH CTR, NEW BRUNSWICK, NJ 08903 USA

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 1995年 / 92卷 / 10期

关键词：

SYSTEMIC ACQUIRED RESISTANCE; SALICYLIC ACID GLUCOSIDE; BENZOIC ACID 2-HYDROXYLASE; UDP-GLUCOSE-SALICYLIC ACID GLUCOSYLTRANSFERASE;

D O I：

10.1073/pnas.92.10.4076

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：

Pathways of salicylic acid (SA) biosynthesis and metabolism in tobacco have been recently identified. SA an endogenous regulator of disease resistance, is a product of phenylpropanoid metabolism formed via decarboxylation of trans-cinnamic acid to benzoic acid and its subsequent 2-hydroxylation to SA. In tobacco mosaic virus-inoculated tobacco leaves, newly synthesized SA is rapidly metabolized to SA O-beta-D-glucoside and methyl salicylate. Two key enzymes involved in SA biosynthesis and metabolism: benzoic acid 2-hydroxylase, which converts benzoic acid to SA, and UDPglucose:SA glucosyltransferase (EC 2.4.1.35), which catalyzes conversion of SA to SA glucoside have been partially purified and characterized. Progress in enzymology and molecular biology of SA biosynthesis and metabolism will provide a better understanding of signal transduction pathway involved in plant disease resistance.

引用

页码：4076 / 4079

页数：4

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