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当前位置: 首页 > 文章 > NaCl胁迫对色木槭和流苏膜脂过氧化及抗氧化酶活性的影响 西北林学院学报 2008,23 (4) 5-7+13
Position: Home > Articles > Effect of Salt Stress on Memcrane-lipid Peroxidation and Resistant-oxidation Enzyme Activities of Acer mono and Chionanthus retusus Journal of Northwest Forestry University 2008,23 (4) 5-7+13

NaCl胁迫对色木槭和流苏膜脂过氧化及抗氧化酶活性的影响

作  者：
冯蕾;白志英;路丙社;蔡胜文;冯丽娜
单  位：
河北农业大学
关键词：
盐胁迫;色木槭;流苏;膜脂过氧化;抗氧化酶活性
摘  要：
试验以色木槭和流苏的2 a生实生苗为试材,通过分析不同浓度的盐处理(0、50、100、150mmol/L)对色木槭和流苏叶片质膜透性、丙二醛(MDA)含量、超氧化物歧化酶(SOD)和过氧化物酶(POD)活性的影响,比较二者的耐盐性。结果表明,随盐处理浓度的升高,叶片质膜透性、MDA含量呈上升趋势,其中流苏的膜透性和MDA含量升高幅度较大,受盐害较重。同时,随NaCl浓度的升高,SOD活性呈上升趋势,POD活性先上升后下降,升高幅度色木槭均高于流苏。由此得出,色木槭具有较强的耐盐性,流苏耐盐性较弱,这与色木槭具有较强的抗氧化酶活性有关。
译  名：
Effect of Salt Stress on Memcrane-lipid Peroxidation and Resistant-oxidation Enzyme Activities of Acer mono and Chionanthus retusus
作  者：
FENG Lei1,2,BAI Zhi-ying3,LU Bing-she1,CAI Sheng-wen1,FENG Li-na1(1.College of Landscape and Tourism,Agricultural University of Hebei,Baoding,Hebei 071000,China;2.Department of Life Sciences,Hengshui University,Hengshui,Hebei 053000,China;3.College of Life Sciences,Agricultural University of Hebei,Baoding,Hebei 071000,China)
关键词：
salt stress;Acer mono;Chionanthus retusus;lipid peroxidation;activity of cell defense enzvmes
摘  要：
Experiment was conducted with the seedlings of one-year-old Acer mono and Chionanthus retusus for studying the effects of different salt stresses on membrane-lipid peroxidation,and resistant-oxidation enzyme activities and comparing the salt-resistance abilities between there two plants.The results showed that the MDA content and electrolyte leakage in both plants increased with the increase of NaCl stress.The membrane permeability and MDA content in C.retusus increased more quickly than A.mono and thus experienced greater damage at higher NaCl concentrations.The activities of SOD showed an increasing trend at the increase of salt contents in treatments,while the activities of POD increased at first and then decreased later.These results indicated that the A.mono has greater salt tolerance than the C.retusus contributed to the stronger resistant-oxidation enzyme activities in A.mono.

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