Abscisic acid modulates polyamine metabolism under water stress in Arabidopsis thaliana

被引：131

作者：

Alcazar, Ruben ^{[1
]}

Cuevas, Juan C. ^{[1
]}

Patron, M. ^{[1
]}

Altabella, Teresa ^{[1
]}

Tiburcio, Antonio F. ^{[1
]}

机构：

[1] Univ Barcelona, Fac Farm, Unitat Fisiol Vegetal, E-08028 Barcelona, Spain

来源：

PHYSIOLOGIA PLANTARUM | 2006年 / 128卷 / 03期

关键词：

D O I：

10.1111/j.1399-3054.2006.00780.x

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Limited information is available concerning plant signal transduction pathways regulating polyamine (PA) metabolism in response to various abiotic stress conditions. To gain a new insight into this question, we have studied the possible role of abscisic acid (ABA) in the modulation of PA metabolism under water stress conditions in the model plant Arabidopsis thaliana. Transcriptome profiling of the PA-biosynthetic gene family by real-time quantitative reverse transcriptase polymerase chain reaction revealed that arginine decarboxylase 2 (ADC2), spermidine synthase 1 (SPDS1) and spermine synthase (SPMS) genes are highly induced by drought stress, and these responses are mostly impaired in ABA-deficient (aba2-3) and ABA-insensitive (abi1-1) mutants. These data, together with PAcontent analyses, indicate that ABAmodulates PAmetabolism at transcriptional and metabolite level in response to water stress.

引用

页码：448 / 455

页数：8

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