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Comparative studies on physiological and biochemical characteristics of sun and shade acclimated Nostoc commune
Li Yun-Guang; Hu Zheng-Yu (huzy@ihb.ac.cn); Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2006
Source PublicationWuhan Zhiwuxue Yanjiu
ISSN1000-470X
Volume24Issue:2Pages:154-158
AbstractIn 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.
Indexed By其他
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/18373
Collection期刊论文
Corresponding AuthorLi Yun-Guang; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Li Yun-Guang,Hu Zheng-Yu ,Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China. Comparative studies on physiological and biochemical characteristics of sun and shade acclimated Nostoc commune[J]. Wuhan Zhiwuxue Yanjiu,2006,24(2):154-158.
APA Li Yun-Guang,Hu Zheng-Yu ,&Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2006).Comparative studies on physiological and biochemical characteristics of sun and shade acclimated Nostoc commune.Wuhan Zhiwuxue Yanjiu,24(2),154-158.
MLA Li Yun-Guang,et al."Comparative studies on physiological and biochemical characteristics of sun and shade acclimated Nostoc commune".Wuhan Zhiwuxue Yanjiu 24.2(2006):154-158.
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