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题名: Comparative studies on physiological and biochemical characteristics of sun and shade acclimated Nostoc commune
作者: Li Yun-Guang ; Hu Zheng-Yu (huzy@ihb.ac.cn)
通讯作者: Li Yun-Guang ; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
刊名: Wuhan Zhiwuxue Yanjiu
发表日期: 2006
卷: 24, 期:2, 页:154-158
收录类别: 其他
英文摘要: In order to clarify the physiological and biochemical basis of Nostoc commune lived in different environmental light levels, their daily changes of Fv/Fm, photosynthetic characteristics and content of carotenoids and chlorophyll were studied. Compared with shade-acclimated N. commune, sun-acclimated N. commune had higher light saturation point, higher content of carotenoids and higher ratios of carotnenoids to chlorophyll as while as lower ascending slope of light-limited part of P-I curve, lower dark respiration, lower Fv/Fm and lower content of chl a and MAAs on the basis of dry weight or surface areas. And their maximum photosynthetic rate and light compensation point were insignificantly different. Both of them had no obvious photorespiration. Shade-acclimated N. commune was more sensitive to high light thin sun-acclimated ones. If the sunlight was high enough after rain, they both were photoinhibited, but they could recover immediately at lower light levels or at night. Results showed that photosynthetic characteristics and pigmentation for sun-acclimated and shade-acclimated N. commune were significantly different and these might be responsible for their adaptations to different light levels.
ISSN号: 1000-470X
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18373
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Li Yun-Guang; Hu Zheng-Yu (huzy@ihb.ac.cn).Comparative studies on physiological and biochemical characteristics of sun and shade acclimated Nostoc commune,Wuhan Zhiwuxue Yanjiu,2006,24(2):154-158
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文件名: Comparative studies on physiological and biochemical characteristics of sun and shade acclimated Nostoc commune.pdf
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