NDLI: Effect of DMSO and trehalose on physiological characteristics of wheat seedlings under low temperature stress

Content Provider	IEEE Xplore Digital Library
Author	Shaohu Tang Lichao Wei Xupeng Zhao Li Yang Yue Zhou
Copyright Year	2011
Description	Author affiliation: Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, Southwest China University; Faculty of Life Science, Southwest China University, Chongqing, China (Shaohu Tang; Lichao Wei; Xupeng Zhao; Li Yang; Yue Zhou)
Abstract	Wheat (Triticum aestivum cv. ‘Miannong No.23’) seedlings undergo physiological changes under low temperature stress. Compared with the control group at 25 °C, wheat seedlings under low temperature (10 °C) stress exhibited significantly decreased level of chlorophyll and increased levels of MDA and proline. Enzymatic activities of SOD, POD, and CAT increased under low temperature stress. When DMSO (50 $mmol·L^{−1})$ or Trehalose (10 $mmol·L^{−1})$ was introduced to the growth medium for seedlings under low temperature stress, the biosyntheses of chlorophyll and proline increased and the concentration of MDA decreased compared with seedlings lacking the DMSO or Trehalose treatment. Enzymatic activities of SOD, POD, and CAT all significantly increased in the presence of DMSO or Trehalose for seedlings under low temperature stress. A synergistic effect of DMSO (50 $mmol·L^{−1})$ and Trehalose (10 $mmol·L^{−1})$ was observed on seedlings under low temperature stress. Specifically, the level of MDA in the leaves of seedlings decreased by 41.56%∼50.82 %; proline increased by 37.74 % ∼ 56.51 %; chlorophyll increased by 60.46 %∼68.57 %; enzymatic activities of SOD, POD and CAT increased by 11.09 %∼17.30 %, 48.54 %∼65.84 % and 32.11%∼50.56 %, respectively. Our findings suggest that the cold resistance mechanism of wheat seedlings could be enhanced by simultaneous treatment with 50 $mmol·L^{−1}$ of DMSO and 10 $mmol·L^{−1}$ of Trehalose.
Starting Page	5900
Ending Page	5903
File Size	288719
Page Count	4
File Format	PDF
ISBN	9781424491728
e-ISBN	9781424491711
DOI	10.1109/RSETE.2011.5965697
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Iris Wheat (Triticum aestivum L.) Low temperature stress Temperature Trehalose DMSO Lipidomics Physiology Nickel Stress TR Diseases
Content Type	Text
Resource Type	Article

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