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Rapid Enzymatic Response to Compensate UV Radiation in Copepods
INIBIOMA CONICET UNComahue, Lab Limnol, San Carlos De Bariloche, Rio Negro, Argentina.
Lunds universitet.
Lunds universitet. (MPEA ; Zooplankton Ecology)ORCID iD: 0000-0002-3740-5998
INIBIOMA CONICET UNComahue, Lab Limnol, San Carlos De Bariloche, Rio Negro, Argentina.
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2012 (English)In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 7, no 2, ArticleID: e32046- p.Article in journal (Refereed) Published
Abstract [en]

Ultraviolet radiation (UVR) causes physical damage to DNA, carboxylation of proteins and peroxidation of lipids in copepod crustaceans, ubiquitous and abundant secondary producers in most aquatic ecosystems. Copepod adaptations for long duration exposures include changes in behaviour, changes in pigmentation and ultimately changes in morphology. Adaptations to short-term exposures are little studied. Here we show that short-duration exposure to UVR causes the freshwater calanoid copepod, Eudiaptomus gracilis, to rapidly activate production of enzymes that prevent widespread collateral peroxidation (glutathione S-transferase, GST), that regulate apoptosis cell death (Caspase-3, Casp-3), and that facilitate neurotransmissions (cholinesterase-ChE). None of these enzyme systems is alone sufficient, but they act in concert to reduce the stress level of the organism. The interplay among enzymatic responses provides useful information on how organisms respond to environmental stressors acting on short time scales.

Place, publisher, year, edition, pages
2012. Vol. 7, no 2, ArticleID: e32046- p.
National Category
Biological Sciences
Research subject
Ecology, Aquatic Ecology
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URN: urn:nbn:se:lnu:diva-28714DOI: 10.1371/journal.pone.0032046OAI: oai:DiVA.org:lnu-28714DiVA: diva2:650941
Available from: 2013-09-24 Created: 2013-09-05 Last updated: 2017-12-06Bibliographically approved

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Hylander, Samuel

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CiteExportLink to record
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  • apa
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