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Alleviation effects of Ce^(3+) on inhibition of photochemical activity caused by linolenic acid in spinach chloroplast 被引量：1

Alleviation effects of Ce^(3+) on inhibition of photochemical activity caused by linolenic acid in spinach chloroplast
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摘要 Linolenic acid has great effects on the structure and function of chloroplast. The function of Ce^3＋ on the improvement of chloroplast photoreduction activity and oxygen evolution damaged by linolenic acid in spinach by in vitro investigation was studied. Results showed that adding Ce^3＋ to the linolenic acid treated chloroplast could greatly decrease the reduction linolenic acid exerted on the whole chain electron transport rate and the photoreduction activity of photosystem Ⅱ （PSII） and photosystem Ⅰ （PSI） as well as the oxygen evolution rate of chloroplast. It indicated that Ce^3＋ had the ability to relieve the inhibition of the photochemical reaction of chloroplast caused by linolenic acid to some extent. Linolenic acid has great effects on the structure and function of chloroplast. The function of Ce^3＋ on the improvement of chloroplast photoreduction activity and oxygen evolution damaged by linolenic acid in spinach by in vitro investigation was studied. Results showed that adding Ce^3＋ to the linolenic acid treated chloroplast could greatly decrease the reduction linolenic acid exerted on the whole chain electron transport rate and the photoreduction activity of photosystem Ⅱ （PSII） and photosystem Ⅰ （PSI） as well as the oxygen evolution rate of chloroplast. It indicated that Ce^3＋ had the ability to relieve the inhibition of the photochemical reaction of chloroplast caused by linolenic acid to some extent.
作者 刘晓晴 黄浩 刘超 马玲兰 刘洁 殷四涛 洪法水
机构地区 College of Life Sciences
出处 《Journal of Rare Earths》 SCIE EI CAS CSCD 2008年第6期875-879,共5页 稀土学报（英文版）
基金 supported by the National Natural Science Foundation of China (30800068, 30470150)
关键词 Ce^3＋ linolenic acid CHLOROPLAST photochemical action rare earths Ce^3＋ linolenic acid chloroplast photochemical action rare earths
分类号 S636.1 [农业科学—蔬菜学]
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Journal of Rare Earths
2008年 第6期

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