Effects of cold and salicylic acid treatments on nitrate reductase activity in spinach leaves

被引：15
|
作者：
Aydin, Belinda [2 ]
Nalbantoglu, Barbaros [1 ]
机构：
[1] Ataturk Univ, Fac Sci, Dept Chem, TR-25240 Erzurum, Turkey
[2] Ataturk Univ, Biotechnol Applicat & Res Ctr, TR-25240 Erzurum, Turkey
来源：
TURKISH JOURNAL OF BIOLOGY | 2011年 / 35卷 / 04期
关键词：
Cold; nitrate reductase activity; salicylic acid; Spinacia oleracea; NITRIC-OXIDE; TEMPERATURE-DEPENDENCE; STRESS TOLERANCE; MAIZE; INDUCTION; NITROGEN; ENZYMES; PROTEIN; PHOTOSYNTHESIS; EXPRESSION;
D O I：
10.3906/biy-1004-106
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The effects of long-term cold (5/3 degrees C) and salicylic acid (SA) (0.1 mM) treatments on the diurnal pattern of nitrate reductase (NR) activity in spinach (Spinacia oleracea L. cv. Gladiator) leaves were investigated. When the activities with cold treatment are compared to the control (20/15 degrees C), NR activity was decreased by 5 degrees C in the light period and by 3 degrees C in the dark period. The cold treatment also affected the timing of circadian rhythm in the diurnal pattern of NR activity. When the activities with SA treatments are compared to control and cold, it was determined that SA increases NR activity in the light period of control while SA decreases NR activity in the light period of cold.
引用
收藏
页码：443 / 448
页数：6
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