Cd2+污染对水花生生理生化及超微结构的影响

应用生态学报 ›› 2003, Vol. ›› Issue (9): 1581-1584.

Cd²⁺污染对水花生生理生化及超微结构的影响

周红卫, 施国新, 杜开和, 徐勤松, 徐楠

南京师范大学生命科学学院, 南京 210097

收稿日期:2002-03-25 修回日期:2002-10-21 出版日期:2003-09-15
通讯作者: 施国新
基金资助:
国家自然科学基金项目(39770046);江苏省教育厅自然科学基金资助项目(2000SWXOOOOSJI)

Toxic effects of Cd²⁺ pollution on the biochemical and physiological characters and ultrastructure of Alternanthera philoxeroides

ZHOU Hongwei, SHI Guoxin, DU Kaihe, XU Qinsong, XU Nan

College of Life Science Nanjing Normal University, Nanjing 210097, China

Received:2002-03-25 Revised:2002-10-21 Online:2003-09-15

摘要/Abstract

Abstract: By imitating different concentration Cd²⁺ polluted water environment, this paper dealt with the changes of some biochemical and physiological characters and the damage of ultrastructure in leaves of Altemanthera philoxe-roides.The result showed that SOD and POD activity first increased in the low concentration pollution and then decreased with the concentration of pollution raised.The content of chlorophyll, chlorophyll a/b value, CATactivity and the content of soluble protein all declined continually.With the concentration of pollution increased, the ultrastructure of cell nuclei, chloroplast and mitochondria became deformed, the permutation of structure inside disordered, swelled, membrane disrupted and vesiculated.The changes of some biochemical and physiological characters accorded with the damage of cell ultrastructure.

中图分类号:

Q945

周红卫, 施国新, 杜开和, 徐勤松, 徐楠. Cd²⁺污染对水花生生理生化及超微结构的影响[J]. 应用生态学报, 2003, (9): 1581-1584.

ZHOU Hongwei, SHI Guoxin, DU Kaihe, XU Qinsong, XU Nan . Toxic effects of Cd²⁺ pollution on the biochemical and physiological characters and ultrastructure of Alternanthera philoxeroides[J]. Chinese Journal of Applied Ecology, 2003, (9): 1581-1584.

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Cd²⁺污染对水花生生理生化及超微结构的影响

Toxic effects of Cd²⁺ pollution on the biochemical and physiological characters and ultrastructure of Alternanthera philoxeroides

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