ISSN 0371-0874, CN 31-1352/Q

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多胶对裸大麦离体叶片活性氧化谢的影响

蒋琳, 沈曾佑, 张志良, 颜季琼

华东师范大学生物系

摘要

裸大麦离体叶片分别在光照和暗诱导下, 以腐胺、亚精胺(Spd)和精胺等3种多胺, 分别用2mmol/L、0.5mmol/L和0.2mmol/L3种浓度处理, 均使丙二醛累积减小, 延缓过氧化氢酶和SOD 活性的下降。以CaCl_(2)(5mmol/L)+Spd(0.5mmol/L)处理, 可降低Spd(0.5mmol/L)的效应。因此多胺延缓离体叶片衰老与活性氧化谢有关, 并且进入细胞时, 与Ca发生竞争。图4 参18

关键词: 元麦; 多胺; 衰老; 活性氧; 代谢

The effects of polyamines on metablism of active oxygen in datached leaves of Hordeum vulgare var. nodum Hook. f.

Jiang Lin, Shen Zengyou, Zhang Zhiliang, Yan Jiqiong

Dept. Biol., E China Norm. Univ.

Abstract

Key words: Hordeum unlgar var. sudum Hook. f.,polyamines;Senescence;Active oxygen metablism;Catalase;Lipid peroxidation

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引用本文:

蒋琳, 沈曾佑, 张志良, 颜季琼. 多胶对裸大麦离体叶片活性氧化谢的影响[J]. 生理学报 1993; 45 (4): .

Jiang Lin, Shen Zengyou, Zhang Zhiliang, Yan Jiqiong. The effects of polyamines on metablism of active oxygen in datached leaves of Hordeum vulgare var. nodum Hook. f.. Acta Physiol Sin 1993; 45 (4): (in Chinese with English abstract).