ROLES OF 5-HYDROXYCONIFERYLALDEHYDE AND CAFFEOYL CoA O-METHYLTRANSFERASES IN MONOLIGNOL BIOSYNTHESIS IN CARTHAMUS TINCTORIUS

被引：0

作者：

Nakatsubo, Tomoyuki ^{[1
]}

Li, Laigeng ^{[2
,3
]}

Hattori, Takefumi ^{[1
]}

Lu, Shanga ^{[2
]}

Sakakibara, Norikazu ^{[1
,4
]}

Chiang, Vincent L. ^{[2
]}

Shimada, Mikio ^{[1
,5
]}

Suzuki, Shirop

Umezawa, Toshiaki ^{[1
]}

机构：

[1] Kyoto Univ, Res Inst Sustainable Humanosphere, Kyoto 6110011, Japan

[2] N Carolina State Univ, Coll Nat Resources, Dept Forestry, Raleigh, NC 27695 USA

[3] Chinese Acad Sci, Shanghai Inst Plant Physiol & Ecol, Shanghai 20032, Peoples R China

[4] Tokushima Bunri Univ, Fac Pharmaceut Sci, Kagawa 7692193, Japan

[5] Fukui Univ Technol, Fukui 9108505, Japan

来源：

CELLULOSE CHEMISTRY AND TECHNOLOGY | 2007年 / 41卷 / 9-10期

基金：

日本学术振兴会;

关键词：

D O I：

暂无

中图分类号：

TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];

学科分类号：

0805 ; 080502 ; 0822 ;

摘要：

Lignins and lignans are biosynthesized through the cinnamate/monolignol pathway. Maturing seeds of Carthamus tinctorius contain both lignins and lignans and their biosynthesis is initiated at particular stages of maturation. Therefore, this species is a good plant material for the study of lignin and lignan biosynthesis. The functions of three C. tinctorius caffeoyl CoA O-methyltransferases (CtCoAOMT1, 3 and 5) and of one C. tinctorius 5-hydroxyconiferaldehyde O-methyltransferase (CtCAldOMT1), known as key enzymes in the cinnamate/monolignol pathway, have been investigated. Enzyme kinetic and gene expression analyses proved the involvement of CtCoAOMT3 and CtCAldOMT1 in lignin biosynthesis.

引用

页码：511 / 520

页数：10

共 6 条

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