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Rapid Enzymatic Response to Compensate UV Radiation in Copepods

Sol Souza, Maria; Hansson, Lars-Anders LU ; Hylander, Samuel LU ; Modenutti, Beatriz and Balseiro, Esteban (2012) In PLoS ONE 7(2).
Abstract
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... (More)
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. (Less)
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organization
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Contribution to journal
publication status
published
subject
in
PLoS ONE
volume
7
issue
2
publisher
Public Library of Science
external identifiers
  • wos:000302875500067
  • scopus:84857468332
ISSN
1932-6203
DOI
10.1371/journal.pone.0032046
language
English
LU publication?
yes
id
a19c8acb-2393-43dd-8032-8877ccaf3e5c (old id 2571400)
date added to LUP
2012-06-04 11:07:55
date last changed
2017-09-10 04:01:30
@article{a19c8acb-2393-43dd-8032-8877ccaf3e5c,
  abstract     = {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.},
  author       = {Sol Souza, Maria and Hansson, Lars-Anders and Hylander, Samuel and Modenutti, Beatriz and Balseiro, Esteban},
  issn         = {1932-6203},
  language     = {eng},
  number       = {2},
  publisher    = {Public Library of Science},
  series       = {PLoS ONE},
  title        = {Rapid Enzymatic Response to Compensate UV Radiation in Copepods},
  url          = {http://dx.doi.org/10.1371/journal.pone.0032046},
  volume       = {7},
  year         = {2012},
}