Deposition pattern of hydrogen peroxide in the leaf sheaths of rice under salt stress

被引：8

作者：

Wi, SG

Chung, BY

Kim, JH

Lee, KS

Kim, JS

机构：

[1] Korea Atom Energy Res Inst, Div Radiat Applicat Res, Taejon 305600, South Korea

[2] Natl Inst Crop Sci, Genet & Breeding Div, Suwon 441707, South Korea

来源：

BIOLOGIA PLANTARUM | 2006年 / 50卷 / 03期

关键词：

cerium chloride; cytochemistry; energy dispersive X-ray analysis; Oryza sativa; transmission electron microscopy;

D O I：

10.1007/s10535-006-0073-6

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Deposition pattern of hydrogen peroxide (H2O2) under salt stress (100 mM NaCl) was examined cytochemically in rice (Oryza sativa L. cv. Pokkali) through the reaction of H2O2 with cerium chloride (CeCl3) to produce electron dense precipitates of cerium perhydroxide. The distribution pattern of cerium perhydroxide precipitates in leaf sheath was considerably different from other parts of rice under salinity stress. Cerium perhydroxide precipitates were mainly accumulated on the tonoplast of leaf sheath under salinity, although they were localized on the cell wall and plasma membrane in all other tissues such as leaf blade and root.

引用

页码：469 / 472

页数：4

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