铅胁迫下植物抗性机制的研究进展

摘要/Abstract

摘要： 综述了近10多年来国内外研究重金属铅对植物的伤害机理,以及植物对铅的耐性机制的研究进展。首先从细胞分裂、细胞膜透性、光合作用和抗氧化酶系统等生理生化方面讨论了铅对植物的伤害机理,其次分析了铅离子跨膜运输、根系分泌物、金属配位体、铅离子区域化分布与植物抗性的关系。

关键词: 最小成本路径法, 物种分布模型, 地理信息系统, 谱系生物地理学, 第四纪, 长花马先蒿

Abstract: The paper reviewed the plant resistance mechanisms under lead stress from physiological and biochemical aspects,e.g.,cell division,permeability of plant membrane,photosynthesis,antioxidative enzymes system,etc.,and discussed the relationships of plant resistance with Pb²⁺ transportation across membranes,root exudates,metal cheaters,and Pb²⁺ distribution in plants.

Key words: the least cost path method, species distribution models, GIS, phylogeography, Quaternary, Pedicularis longiflora.

中图分类号:

Q945.11

杨刚, 伍钧, 唐亚. 铅胁迫下植物抗性机制的研究进展[J]. 生态学杂志, 2005, (12): 1507-1512.

YANG Gang, WU Jun, TANG Ya. Research advances in plant resistance mechanisms under lead stress[J]. cje, 2005, (12): 1507-1512.

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