NDLI: Physiological and biochemical response to drought stress in the leaves of Aegiceras corniculatum and Kandelia obovata.

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Physiological and biochemical response to drought stress in the leaves of Aegiceras corniculatum and Kandelia obovata.

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Physiological and biochemical response to drought stress in the leaves of Aegiceras corniculatum and Kandelia obovata.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Guan, Gui-Fang Wang, You-Shao Cheng, Hao Jiang, Zhao-Yu Fei, Jiao
Description	Country affiliation: China Author Affiliation: Guan GF ( State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China.); Wang YS ( State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China. yswang@scsio.ac.cn.); Cheng H ( Daya Bay Marine Biology Research Station, Chinese Academy of Sciences, Shenzhen, 518121, China. yswang@scsio.ac.cn.); Jiang ZY ( State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China.); Fei J ( State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China.)
Abstract	Drought stress is one of the major abiotic stresses that affects plant growth and metabolism adversely around the world. According to this research, the effect of drought stress on the activity of antioxidative enzymes, soluble sugar, protein and lipid peroxidation were studied in leaves of two mangrove plants, Kandelia obovata and Aegiceras corniculatum. The result showed that superoxide dismutase (SOD) and peroxidase (POD) varied significantly between the leaves and roots studied. The activities increased in different stress levels. The production rate of O 2 (-·) changed with the activity of SOD and POD. Lipid peroxidation was enhanced and Glycine betaine (GB) could decrease the level of malonaldehyde in order to reduce the damage of membrane system. The content of soluble sugar and protein also increased under drought stress and GB helped to eliminate the accumulation of them which somehow enhance the ability of defensing the plants under drought stress. These results indicated that antioxidative activity may play an important role in A. corniculatum and K. obovata and that cell membrane in leaves of K. obovata had greater stability than those of A. corniculatum. Exogenous application of GB had positive effects on A. corniculatum and K. obovata under drought stress which could be products exogenously applied to mangrove plants in order to alleviates the adverse effects.
File Format	HTM / HTML
ISSN	09639292
Issue Number	7-8
Volume Number	24
e-ISSN	15733017
Journal	Ecotoxicology
Language	English
Publisher	Springer
Publisher Date	2015-10-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Ecology Discipline Environmental Health Discipline Toxicology Antioxidants Metabolism Droughts Myrsinaceae Physiology Rhizophoraceae Carbohydrate Metabolism Lipid Peroxidation Enzymology Growth & Development Osmolar Concentration Oxidation-reduction Plant Leaves Plant Proteins Stress, Physiological Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Medicine Toxicology Management, Monitoring, Policy and Law

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