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PARTIAL UNCOUPLING OF ENERGY-TRANSFER FROM PHYCOERYTHRIN IN THE MARINE CYANOBACTERIUM SYNECHOCOCCUS SP WH7803
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UNSPECIFIED (1992) PARTIAL UNCOUPLING OF ENERGY-TRANSFER FROM PHYCOERYTHRIN IN THE MARINE CYANOBACTERIUM SYNECHOCOCCUS SP WH7803. BIOCHIMICA ET BIOPHYSICA ACTA, 1099 (3). pp. 267-270. ISSN 0006-3002.
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Abstract
Time-resolved fluorescence spectroscopy of the marine cyanobacterium Synechococcus sp. WH7803 showed that a significant fraction of the biliprotein phycoerythrin did not transfer its excitation energy to the photosynthetic reaction centres when the organism had been cultured in non-limiting light conditions and with excess nitrogen supplied as nitrate. We consider that this partial decoupling of energy transfer shows the capacity that this organism has to use a portion of the phycoerythrin as a nitrogen reserve, without the corresponding photo-oxidative damage that could occur from having a larger functional antenna than is required by photosynthesis.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry Q Science > QH Natural history > QH301 Biology |
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Journal or Publication Title: | BIOCHIMICA ET BIOPHYSICA ACTA | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0006-3002 | ||||
Official Date: | 13 March 1992 | ||||
Dates: |
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Volume: | 1099 | ||||
Number: | 3 | ||||
Number of Pages: | 4 | ||||
Page Range: | pp. 267-270 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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