| Phosphorus limitation for the colony formation, growth and photosynthesis of an edible cyanobacterium, Nostoc sphaeroides. | |
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MedLine Citation:
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PMID: 21972139 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The percentage of spherical colonies from the trichomes of Nostoc sphaeroides reached 62-73% after 16 days with 50 and 250 μM P, but only10-15% at 0.5 and 5 μM P. During colony formation from microcolonies to macrocolonies, the growth rates were 95, 206 and 244% higher, respectively at 5, 50 and 250 μM P than that at 0.5 μM P. The light-saturated photosynthetic rate, maximum electron transport rate and light-limited photosynthetic efficiency at 0.5 μM P decreased, respectively, by 45, 51 and 32% than those at 250 μM P. These indicated that the colony development, growth and photosynthetic capacities were restricted at low P level, suggesting that P might be an important factor limiting the productivity and distribution of N. sphaeroides in the field. |
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Authors:
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Zhen Chen; Shuo Chen; Gaofei Lu; Xiongwen Chen |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-10-5 |
Journal Detail:
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Title: Biotechnology letters Volume: - ISSN: 1573-6776 ISO Abbreviation: - Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-10-5 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8008051 Medline TA: Biotechnol Lett Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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College of Life Sciences and Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, Hubei Normal University, Huangshi, 435002, Hubei, People's Republic of China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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