The effects of abiotic stresses on the NADP-dependent malic enzyme in the leaves of the hexaploid wheat

被引：18
作者：
Fu, Z. Y. [1 ,2 ,3 ]
Zhang, Z. B. [1 ]
Liu, Z. H. [4 ]
Hu, X. J. [1 ,3 ,5 ]
Xu, P. [1 ]
机构：
[1] Chinese Acad Sci, Inst Genet & Dev Biol, Shijiazhuang 050021, Peoples R China
[2] Chinese Acad Sci, Xinjiang Inst Phys & Chem Technol, Urumqi 830011, Peoples R China
[3] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
[4] Qingdao Univ Sci & Technol, Inst Life Sci, Qingdao 266042, Peoples R China
[5] Linyi Normal Univ, Expt & Educ Technol Ctr, Linyi 276005, Peoples R China
来源：
BIOLOGIA PLANTARUM | 2011年 / 55卷 / 01期
关键词：
abscisic acid; enzyme activity; gene transcription; low temperature; salicylic acid; salinity; water stress; MALATE DEHYDROGENASE; CHLOROPLAST ENZYMES; PHOTOSYNTHETIC RATE; PLANT DEFENSE; CONFERS SALT; MAIZE; LIGHT; ARABIDOPSIS; LEAF; METABOLISM;
D O I：
10.1007/s10535-011-0030-x
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The objective of this study was to examine the effects of different abiotic stresses on the activity of an NADP-dependent malic enzyme (NADP-ME) and the corresponding gene transcription in the leaves of the hexaploid wheat (Triticum aestivum L.) The activity of the NADP-ME enzyme was increased by water stress (20 % polyethylene glycol 6000), low temperature (4 A degrees C), darkness, salinity (200 mM NaCl), abscisic acid and salicylic acid. The transcription of the TaNADP-ME1 gene decreased in response to all of the stresses except darkness and NaCl. In addition, the transcription of TaNADP-ME2 was down-regulated by all of the tested treatments and could not be detected under dark stress.
引用
收藏
页码：196 / 200
页数：5
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