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学科主题: Biotechnology & Applied Microbiology; Marine & Freshwater Biology
题名: Dried field populations of Nostoc flagelliforme (Cyanophyceae) require exogenous nutrients for their photosynthetic recovery
作者: Qiu, B; Gao, K
通讯作者: Gao, K, Shantou Univ, Ctr Sci, Inst Marine Biol, Guangdong 515063, Peoples R China
关键词: cyanobacterium ; Nostoc flagelliforme ; nutrients ; photosynthesis ; potassium ; re-hydration
刊名: JOURNAL OF APPLIED PHYCOLOGY
发表日期: 1999
卷: 11, 期:6, 页:535-541
收录类别: SCI
文章类型: Article
部门归属: Shantou Univ, Ctr Sci, Inst Marine Biol, Guangdong 515063, Peoples R China; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Biotechnology & Applied Microbiology ; Marine & Freshwater Biology
研究领域[WOS]: Biotechnology & Applied Microbiology ; Marine & Freshwater Biology
摘要: The effects of nutrients on the photosynthetic recovery of Nostoc flagelliforme during re-hydration were investigated in order to see if their addition was necessary. Net photosynthesis was negligible in distilled water without nutrient-enrichment. Addition of K+ resulted in significant enhancement of net photosynthesis, whereas other nutrients (Fe3+, Mg2+, Na+, NO3-, PO43-, Cl-) and trace-metals (A(5)) showed little effect. The recovered net photosynthetic activity increased with the increased K+, and reached the maximum at concentrations above 230 mu M. Desiccation and re-hydration did not affect the dependence of photosynthetic recovery on K+. It was concluded that dried field populations of N. flagelliforme require exogenous addition of potassium for photosynthetic recovery and that growth may be potassium-limited in nature.
英文摘要: The effects of nutrients on the photosynthetic recovery of Nostoc flagelliforme during re-hydration were investigated in order to see if their addition was necessary. Net photosynthesis was negligible in distilled water without nutrient-enrichment. Addition of K+ resulted in significant enhancement of net photosynthesis, whereas other nutrients (Fe3+, Mg2+, Na+, NO3-, PO43-, Cl-) and trace-metals (A(5)) showed little effect. The recovered net photosynthetic activity increased with the increased K+, and reached the maximum at concentrations above 230 mu M. Desiccation and re-hydration did not affect the dependence of photosynthetic recovery on K+. It was concluded that dried field populations of N. flagelliforme require exogenous addition of potassium for photosynthetic recovery and that growth may be potassium-limited in nature.
关键词[WOS]: BLUE-GREEN-ALGAE ; POTASSIUM ; LIGHT ; RESPIRATION ; WATER
语种: 英语
WOS记录号: WOS:000086322800008
ISSN号: 0921-8971
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/10138
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Shantou Univ, Ctr Sci, Inst Marine Biol, Guangdong 515063, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China

Recommended Citation:
Qiu, B; Gao, K.Dried field populations of Nostoc flagelliforme (Cyanophyceae) require exogenous nutrients for their photosynthetic recovery,JOURNAL OF APPLIED PHYCOLOGY,1999,11(6):535-541
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