Plant fructan exohydrolases: a role in signaling and defense?

被引：109

作者：

Van den Ende, W ^{[1
]}

De Coninck, B ^{[1
]}

Van Laere, A ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Inst Bot & Mikrobiol, Lab Mol Plant Physiol, B-3001 Heverlee, Belgium

来源：

TRENDS IN PLANT SCIENCE | 2004年 / 9卷 / 11期

关键词：

D O I：

10.1016/j.tplants.2004.09.008

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Fructans are fructose oligomers and polymers synthesized by a small number of plant and bacterial species and mainly function as reserve carbohydrates. The terminal fructosyl-fructose linkages can be degraded by fructan exohydrolases (FEHs), occurring in bacteria, fungi and fructan plants. Unexpectedly, it was found that FEHs also occur in non-fructan plants such as Beta vulgaris and Arabidopsis thaliana that apparently lack endogenous fructan substrates. FEHs might have defense-related roles acting on bacterial fructan-containing slimes or might act on minute (up to now undetected) amounts of fructans acting as signals in plants.

引用

页码：523 / 528

页数：6

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