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Effect of different salinities on growth and intra- and extracellular toxicity of four strains of the haptophyte Prymnesium parvum
Linnaeus University, Faculty of Science and Engineering, School of Natural Sciences.
Linnaeus University, Faculty of Science and Engineering, School of Natural Sciences.ORCID iD: 0000-0001-7155-3604
2012 (English)In: Aquatic Microbial Ecology, ISSN 0948-3055, E-ISSN 1616-1564, Vol. 67, no 2, 139-149 p.Article in journal (Refereed) Published
Abstract [en]

The present study investigates the effect of brackish (7 PSU) and marine (26 PSU) salinity on physiological parameters and intra- and extracellular toxicity in 4 strains of Prymnesium parvum Carter. The different P. parvum strains were grown in batch cultures in 2 trials under different experimental conditions to test the development of intra- and extracellular toxicity during growth. The response of P. parvum toxicity to salinity was validated using 2 protocols. Intra-specific variations in growth rate, maximal cell density (yield) and cell morphology were controlled by salinity. Extracellular toxicity was higher at 7 PSU in all strains, but no correlation was found between intra- and extracellular toxicity. The variation of extracellular toxicity in response to salinity was much greater than that of intracellular toxicity, which indicates that P. parvum may be producing a variety of substances contributing to its various types of 'toxicity'.

Place, publisher, year, edition, pages
2012. Vol. 67, no 2, 139-149 p.
Keyword [en]
Allelopathy, Extracellular toxicity, Harmful algal species, Intracellular toxicity, Prymnesium parvum, Salinity, Strain
National Category
Ecology
Research subject
Natural Science, Aquatic Ecology
Identifiers
URN: urn:nbn:se:lnu:diva-22707DOI: 10.3354/ame01589ISI: 000310006400004OAI: oai:DiVA.org:lnu-22707DiVA: diva2:574408
Available from: 2012-12-05 Created: 2012-12-05 Last updated: 2015-09-04Bibliographically approved

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Weissbach, AstridLegrand, Catherine
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf