Oligochitosan induced Brassica napus L. production of NO and H2O2 and their physiological function

被引：56

作者：

Li, Yan ^{[1
,2
,3
]}

Yin, Heng ^{[1
]}

Wang, Qing ^{[2
]}

Zhao, Xiaoming ^{[1
]}

Du, Yuguang ^{[1
]}

Li, Fenglan ^{[3
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, Nat Prod & Glycoconjugate Res Grp 1805, Dalian 116023, Peoples R China

[2] Liaoning Normal Univ, Coll Life Sci, Dalian 116029, Peoples R China

[3] Beijing Forestry Univ, Coll Life Sci & Technol, Beijing 100083, Peoples R China

来源：

CARBOHYDRATE POLYMERS | 2009年 / 75卷 / 04期

关键词：

Oligochitosan; Brassica napus L; NO; H2O2; INDUCED STOMATAL CLOSURE; NITRIC-OXIDE; HYDROGEN-PEROXIDE; ABSCISIC-ACID; ACETYLCHITOOLIGOSACCHARIDE ELICITOR; RICE LEAVES; CELL-DEATH; VICIA-FABA; PLANTS; ARABIDOPSIS;

D O I：

10.1016/j.carbpol.2008.09.005

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

NO (nitric oxide) and H2O2 (hydrogen peroxide) are important signaling molecule in plants. Brassica napus L. was used to understand oligochitosan inducing production of NO (nitric oxide) and H2O2 (hydrogen peroxide) and their physiological function. The result showed that the production of NO and H2O2 in epidermal cells of B. napus L. was induced with oligochitosan by fluorescence microscope. And it was proved that there was an interaction between NO and H2O2 with L-NAME (N-G-nitro-L-arg-methyl eater). which is an inhibitor of NOS (NO synthase) in mammalian cells that also inhibits plant NO synthesis, and CAT (catalase), which is an important H2O2 Scavenger, respectively. It was found that NO and H2O2 induced by oligochitosan took part in inducing reduction in stomatal aperture and LEA protein gene expression of leaves of B. napus L. All these results showed that oligochitosan have potential activities of improving resistance to water stress. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：612 / 617

页数：6

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