High temperature induced alterations in energy transfer in phycobilisomes of the cyanobacterium Spirulina platensis |
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Authors: | SDS Murthy V V Ramanaiah and P Sudhir |
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Institution: | (1) Department of Biochemistry, Sri Venkateswara University, Tirupati, 517502, India |
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Abstract: | Exposure of intact cells of Spirulina to high temperature (HT) stress (40–60 °C) caused decrease in absorption spectrum and fluorescence emission spectrum. Low temperature emission spectra were altered at phycocyanin (PC) level. Room and low temperature emission spectra of intact phycobilisomes showed that PC was the main target in this cyanobacterium for the altered energy transfer under HT.This revised version was published online in March 2005 with corrections to the page numbers. |
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Keywords: | absorption spectra fluorescence emission spectra at room and low temperature |
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