Boron nutrition of cultured tobacco BY-2 cells. IV. Genes induced under low boron supply

被引：53

作者：

Kobayashi, M ^{[1
]}

Mutoh, T ^{[1
]}

Matoh, T ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Agr, Div Appl Life Sci, Lab Plant Nutr, Kyoto 6068502, Japan

来源：

JOURNAL OF EXPERIMENTAL BOTANY | 2004年 / 55卷 / 401期

基金：

日本学术振兴会;

关键词：

boron; boron deficiency; Nicotiana tabacum; oxidative stress; tobacco BY-2 cultured cells;

D O I：

10.1093/jxb/erh142

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Genes whose expression was up-regulated in low boron (B)-acclimated tobacco BY-2 (Nicotiana tabacum L. cv. Bright Yellow 2) cells, which had been selected under a low supply of B, were screened by the cDNA differential subtraction method. Thirteen genes were identified, including early salicylate-inducible glucosyltransferase, glutamine synthetase, glutathione S-transferase, and a pathogenesis-related protein, which might constitute a rescue system for oxidative damage. This indicates that B deficiency might impose cellular redox imbalance on the cells. Two of the 13 genes were induced within 30 min of B removal in the parent cells, indicating fast signal transfer from the cell walls to the cytoplasm.

引用

页码：1441 / 1443

页数：3

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