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Photosynthetic physiology and growth as a function of colony size in the cyanobacterium Nostoc sphaeroides
Hualin Wang; Dong Wu; Fei Deng; Huiyin Peng; Xinwen Chen; Hilary Lauzon; Basil M. Arif; Johannes A. Jehle; Zhihong Hu; Gao, KS, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
2004
Source PublicationEUROPEAN JOURNAL OF PHYCOLOGY
Volume39Issue:1Pages:9-15
AbstractAlgal size can affect the rate of metabolism and of growth. Different sized colonies of Nostoc sphaeroides were used with the aim of determining the effects of colony size on photosynthetic physiology and growth. Small colonies showed higher maximum photosynthetic rates per unit chlorophyll, higher light saturation point, and higher photosynthetic efficiency (a) than large colonies. Furthermore, small colonies had a higher affinity for DIC and higher DIC-saturated photosynthetic rates. In addition, small colonies showed higher photosynthetic rates from 5-45degreesC than large colonies. There was a greater decrease in Fv/Fm after exposure to high irradiance and less recovery in darkness for large colonies than for small colonies. Relative growth rate decreased with increasing colony size. Small colonies had less chl a and mass per unit surface area. The results indicate that small colonies can harvest light and acquire DIC more efficiently and have higher maximum photosynthetic rates and growth rates than large colonies.
KeywordColony Size Dic Growth Rate Light Nostoc Sphaeroides Photoinhibition Photosynthesis Temperature
DepartmentChinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China; Shantou Univ, Inst Marine Biol, Shantou 515063, Guangdong, Peoples R China
Subject AreaPlant Sciences ; Marine & Freshwater Biology
Indexed BySCI
WOS IDWOS:000220361000003
Citation statistics
Cited Times:34[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9538
Collection期刊论文
Corresponding AuthorGao, KS, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Hualin Wang,Dong Wu,Fei Deng,et al. Photosynthetic physiology and growth as a function of colony size in the cyanobacterium Nostoc sphaeroides[J]. EUROPEAN JOURNAL OF PHYCOLOGY,2004,39(1):9-15.
APA Hualin Wang.,Dong Wu.,Fei Deng.,Huiyin Peng.,Xinwen Chen.,...&Gao, KS, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China.(2004).Photosynthetic physiology and growth as a function of colony size in the cyanobacterium Nostoc sphaeroides.EUROPEAN JOURNAL OF PHYCOLOGY,39(1),9-15.
MLA Hualin Wang,et al."Photosynthetic physiology and growth as a function of colony size in the cyanobacterium Nostoc sphaeroides".EUROPEAN JOURNAL OF PHYCOLOGY 39.1(2004):9-15.
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