The effects of putrescine are partly overlapping with osmotic stress processes in wheat

被引：15

作者：

Pal, Magda ^{[1
]}

Majlath, Imre ^{[1
]}

Nemeth, Edit ^{[1
]}

Hamow, Kamiran Aron ^{[1
]}

Szalai, Gabriella ^{[1
]}

Rudnoy, Szabolcs ^{[2
]}

Balassa, Gyoergy ^{[2
]}

Janda, Tibor ^{[1
]}

机构：

[1] Hungarian Acad Sci, Ctr Agr Res, Agr Inst, POB 19, H-2462 Martonvasar, Hungary

[2] Eotvos Lorand Univ, ELTE, Inst Biol, Dept Plant Physiol & Mol Plant Biol, Pazmany Peter Setany 1-C, H-1117 Budapest, Hungary

来源：

PLANT SCIENCE | 2018年 / 268卷

关键词：

Gene expression; Osmotic stress; Putrescine; Wheat; GENE-EXPRESSION; ABSCISIC-ACID; ARABIDOPSIS-THALIANA; SALICYLIC-ACID; WATER-STRESS; WHITE CLOVER; MAIZE PLANTS; TOLERANCE; SPERMIDINE; PROTEIN;

D O I：

10.1016/j.plantsci.2017.12.011

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Polyamine metabolism is in relation with several metabolic pathways and linked with plant hormones or signalling molecules; in addition polyamines may modulate the up- or down-regulation of gene expression. However the precise mechanism by which polyamines act at the transcription level is still unclear. In the present study the modifying effect of putrescine pre-treatment has been investigated using the microarray transcriptome profile analysis under the conditions where exogenous putrescine alleviated osmotic stress in wheat plants. Pretreatment with putrescine induced the unique expression of various general stress-related genes. Although there were obvious differences between the effects of putrescine and polyethylene glycol treatments, there was also a remarkable overlap between the effects of putrescine and osmotic stress responses in wheat plants, suggesting that putrescine has already induced acclimation processes under control conditions. The fatty acid composition in certain lipid fractions and the antioxidant enzyme activities have also been specifically changed under osmotic stress conditions or after treatment with putrescine.

引用

页码：67 / 76

页数：10

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