Cadmium-Induced Changes in Fine Structure of the Microalgae Chlamydomonas sp. ICE-L from Antarctica
In order to identify the effect of cadmium on the ultrastructure of the Antarctic microalgae Chlamydomonas sp. ICE-L, the ultrastructural changes of the microalgae exposure to selected concentrations of cadmium were examined using ultramicrotomy and electron microtechnique in present paper. It is observed that starch grains and chloroplast were destroyed dramatically. Vacuole increased both in volume and in numbers, and protoplasm shrinked in the experimental groups treated with high CdCl2. Distorted membrane and indistinct cell wall were found at the same time. The experimental groups exposed to CdC12 for 24 h showed that the mitochondria was hardly affected. And the damage of organelles was more serious when cells were treated witb CdCl2 for 7 days. Results showed that efTect of CdCl2 on microalgae ICE-L was depended on concentration of CdCl2 and treated time. Chlamydomonas sp. ICE-L has a higher resistant ability to cadmium than the other organisms.
Antarctica Cadmium Chlamydomonas sp.ICE-L Microalgae Ultrastructure Heavy metal
Ding Yu Jian ichang Wu Zaohe Miao Jinlai Li Guangyou
Guangdong Provincial Key Lab of Pathogenic Biology and Epidemiology for Aquatic Economic nimals Fish Guangdong Provincial Key Lab of Pathogenic Biology and Epidemiology for Aquatic Economic Animals ish Key boratory of Marine Bio-active Substances First Institute of Oceanorgarphy, State Oceanic ministr Key Laboratory of Marine Bio-active ubstances First Institute of Oceanorgarphy, State Oceanic Admini
国际会议
昆明
英文
357-360
2010-10-17（万方平台首次上网日期，不代表论文的发表时间）