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Regulation of inorganic carbon acquisition by nitrogen and phosphorus levels in the Nannochloropsis sp.
Hu, Hanhua; Zhou, Qiubai; Hu, HH, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
2010
Source PublicationWORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY
ISSN0959-3993
Volume26Issue:5Pages:957-961
AbstractNannochloropsis sp. was grown to the exponential phase and transferred to the high CO2 (2,800 mu l l(-1)) and irradiance (100 mu mol photons m(-2) s(-1)) condition with different levels of nitrate and phosphate for 72 h, then the photosynthetic activity and inorganic carbon acquisition of the alga were measured. The apparent photosynthetic efficiency (alpha) of Nannochloropsis sp. decreased with increasing NO3 (-) concentration from 150 to 3,000 mu M, and the high nitrate-grown cells showed the lowest levels of light-saturated photosynthetic rate (P (m)), while the low nitrate-grown cells showed the highest levels of dark respiration rate (R (d)). The maximal light-saturated photosynthetic rate and the minimal dark respiration rate were seen under the middle nitrate condition. When the nitrate concentration ranged from 150 to 3,000 mu M, the affinity for inorganic carbons of Nannochloropsis sp. increased sharply with the increasing NO3 (-) concentration to 300 mu M and then decreased significantly. The middle phosphate-grown cells exhibited the highest light-saturated photosynthetic rate and apparent photosynthetic efficiency, however, the affinity for inorganic carbons of Nannochloropsis sp. was the maximum under the low phosphate condition. It was shown that the appropriate nitrogen and phosphorus levels were of vital importance to the photosynthesis of cells.
KeywordInorganic Carbon Acquisition Nitrate Nannochloropsis Sp. Phosphate
Department[Hu, Hanhua] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Zhou, Qiubai] Jiangxi Agr Univ, Coll Anim Sci & Technol, Nanchang 330045, Peoples R China
Subject AreaBiotechnology & Applied Microbiology
Funding OrganizationNational Natural Science Foundation of China [40976079] ; National Natural Science Foundation of China [40976079] ; National Natural Science Foundation of China [40976079] ; National Natural Science Foundation of China [40976079]
Indexed BySCI
Language英语
WOS IDWOS:000276497600025
Funding OrganizationNational Natural Science Foundation of China [40976079] ; National Natural Science Foundation of China [40976079] ; National Natural Science Foundation of China [40976079] ; National Natural Science Foundation of China [40976079]
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Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/13791
Collection藻类生物学及应用研究中心_期刊论文
Corresponding AuthorHu, HH, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Hu, Hanhua,Zhou, Qiubai,Hu, HH, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China. Regulation of inorganic carbon acquisition by nitrogen and phosphorus levels in the Nannochloropsis sp.[J]. WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY,2010,26(5):957-961.
APA Hu, Hanhua,Zhou, Qiubai,&Hu, HH, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2010).Regulation of inorganic carbon acquisition by nitrogen and phosphorus levels in the Nannochloropsis sp..WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY,26(5),957-961.
MLA Hu, Hanhua,et al."Regulation of inorganic carbon acquisition by nitrogen and phosphorus levels in the Nannochloropsis sp.".WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY 26.5(2010):957-961.
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