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Responses of photosynthetic efficiency, cell shape and motility in Euglena gracilis (Euglenophyceae) to short-term exposure to heavy metals and pentachlorophenol
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
2001 (English)In: Water, Air and Soil Pollution, ISSN 0049-6979, E-ISSN 1573-2932, Vol. 132, no 1-2, 61-73 p.Article in journal (Refereed) Published
Abstract [en]

Euglena gracilis was exposed for 24 hr to concentrations of copper, nickel, lead and zinc ranging from 0.1 to 2.0 mg L-1 and to pentachlorophenol ranging from 0.1 to 10.0 mg L-1. Photosynthetic efficiency (PE) was inhibited by increasing concentrations of the heavy metals. Nickel was found to be the least toxic of the metals to E. gracilis, while the other three metals exhibited similar levels of toxicity. Treatment with pentachlorophenol caused unusual responses of the photosynthetic apparatus probably due to the especially high toxicity of this substance. Both cell shape and motility turned out to be insensitive physiological parameters for the toxicity testing of the substances studied.

Place, publisher, year, edition, pages
2001. Vol. 132, no 1-2, 61-73 p.
Keyword [en]
Euglena gracilis, Heavy metals, photosynthesis
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:miun:diva-2857DOI: 10.1023/A:1012004607313ISI: 000171677100004Scopus ID: 2-s2.0-0034753723Local ID: 2423OAI: oai:DiVA.org:miun-2857DiVA: diva2:27889
Available from: 2008-09-30 Created: 2008-09-30 Last updated: 2016-10-11Bibliographically approved

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Citation style
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