Journal article

Effects of increasing doses of UV-B radiation on photosynthesis and motility in Chlamydomonas reinhardtii

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Author list: Danilov, Roman;Ekelund, Nils

Publication year: 2000

Start page: 41

End page: 44

Number of pages: 4

ISSN: 0015-5632

DOI: http://dx.doi.org/10.1007/BF02817448

View additional information: View in Web of Science


Abstract

Effects of increasing doses of UV-B radiation on photosynthetic efficiency (PE) and motility inChlamydomonas reinhardtii were investigated. The exposure time ranged from 10 to 120 min at 0.73 W/m2 UV-B radiation. A decrease in compensation points (CP) was followed by an increase in PE on extending the UV-B treatment up to 60 min. The subsequent increase in PE was accompanied by increasing CPs. Enhanced doses of UV-B radiation thus have a stimulatory effect on the PE inC. reinhardtii. No inhibitory effects could be detected. No statistically significant differences in motility could be observed due to an extremely high variation of values.


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