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Titolo: Responses of photosynthetic efficiency, cell shape and motility in Euglenagracilis (Euglenophyceae) to short-term exposure to heavy metals and pentachlorophenol
Autore: Danilov, RA; Ekelund, NGA;
- Indirizzi:
- Mid Sweden Univ, Dept Appl Sci, S-87188 Harnosand, Sweden Mid Sweden UnivHarnosand Sweden S-87188 Sci, S-87188 Harnosand, Sweden
- Titolo Testata:
- WATER AIR AND SOIL POLLUTION
fascicolo: 1-2,
volume: 132,
anno: 2001,
pagine: 61 - 73
- SICI:
- 0049-6979(2001)132:1-2<61:ROPECS>2.0.ZU;2-0
- Fonte:
- ISI
- Lingua:
- ENG
- Soggetto:
- ALGA SCENEDESMUS-QUADRICAUDA; UV-B RADIATION; GROWTH; COPPER; TOXICITY; GREEN; PHYTOPLANKTON; FLAGELLATE; STRAINS; CADMIUM;
- Keywords:
- cell shape; copper; Euglena gracilis; lead; motility; nickel; pentachlorophenol; photosynthesis; zinc;
- Tipo documento:
- Article
- Natura:
- Periodico
- Settore Disciplinare:
- Agriculture,Biology & Environmental Sciences
- Citazioni:
- 27
- Recensione:
- Indirizzi per estratti:
- Indirizzo: Danilov, RA Mid Sweden Univ, Dept Appl Sci, S-87188 Harnosand, Sweden Mid Sweden Univ Harnosand Sweden S-87188 8 Harnosand, Sweden
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- Citazione:
- R.A. Danilov e N.G.A. Ekelund, "Responses of photosynthetic efficiency, cell shape and motility in Euglenagracilis (Euglenophyceae) to short-term exposure to heavy metals and pentachlorophenol", WATER A S P, 132(1-2), 2001, pp. 61-73
Abstract
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 causedunusual responses of the photosynthetic apparatus probably due to the especially high toxicity of this substance. Both cell shape and motility turnedout to be insensitive physiological parameters for the toxicity testing ofthe substances studied.
ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 20/01/21 alle ore 12:47:49