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Effects of copper o...
Effects of copper on growth rate, cell shape, motility and photosynthesis in the green flagellate Euglena gracilis in a long-term experiment
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- Danilov, Roman (författare)
- Mittuniversitetet,Institutionen för naturvetenskap (-2008),Department of Natural Sciences, Mid Sweden University
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- Ekelund, Nils, 1956- (författare)
- Mittuniversitetet,Institutionen för naturvetenskap (-2008),Department of Natural Sciences, Mid Sweden University
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(creator_code:org_t)
- 2000
- 2000
- Engelska.
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Ingår i: Biologia. - 0006-3088 .- 1336-9563. ; 55:4, s. 413-418
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Abstract
Ämnesord
Stäng
- The green flagellate Euglena gracilis was treated for seven days with concentrations of copper ranging from 0.02 mg L-1 to 2.0 mg L-1. No inhibiting effects were detected in any physiological parameters measured. In general, it seems that enhanced copper concentrations stimulated photosynthetic efficiency (PE) of E. gracilis. Concentrations of copper reported to be critical for the other algae studied (from 0.10 mg L-1 to 0.14 mg L-1) did not show any severe negative effects on E. gracilis. An unusual trend was observed where an increase in PE was followed by an increase in light irradiance necessary to achieve light compensation point. High capacity of E. gracilis to adapt to copper stress is being discussed as a possible explanation for the trends detected.
Ämnesord
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
Nyckelord
- Euglena gracilis
- bioassay
- copper
- photosynthesis
- water pollution
- Biology
- Biologi
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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