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id:"swepub:oai:gup.ub.gu.se/324335"
 

Sökning: id:"swepub:oai:gup.ub.gu.se/324335" > Physiological and g...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003760naa a2200565 4500
001oai:gup.ub.gu.se/324335
003SwePub
008240528s2023 | |||||||||||000 ||eng|
024a https://gup.ub.gu.se/publication/3243352 URI
024a https://doi.org/10.1016/j.marpolbul.2023.1146022 DOI
040 a (SwePub)gu
041 a eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Belivermis, M.4 aut
2451 0a Physiological and gene expression responses of the mussel Mytilus galloprovincialis to low pH and low dissolved oxygen
264 1b Elsevier BV,c 2023
520 a The prevalence and frequency of hypoxia events have increased worldwide over the past decade as a conse-quence of global climate change and coastal biological oxygen depletions. On the other hand, anthropogenic emissions of CO2 and consequent accumulation in the sea surface result in a perturbation of the seawater car-bonate system, including a decrease in pH, known as ocean acidification. While the effect of decreases in pH and dissolved oxygen (DO) concentration is better understood, their combined effects are still poorly resolved. Here, we exposed adult mussels (Mytilus galloprovincialis) to two pHs (8.27 and 7.63) and DO concentrations (7.65 and 2.75 mg L- 1) over 17 days in a full-factorial design. These levels correspond to extremes of the present natural variability and are relevant in the context of ocean acidification and hypoxia. No mortality was observed during the experiment. However, sublethal effects were observed for clearance and oxygen consumption rates, as well as total haemocytes count and haemocytes viability and gene expression in mussels exposed to the combination of low pH and low DO. Respiration and excretion rates were not significantly impacted by low pH and DO, alone or in combination. Overall, low pH alone led to a decrease in all tested physiological parameters while low DO alone led to a decline in clearance rate, haemocyte parameters and an increase in carbohydrate content. Both pa-rameters led to up-or down-regulation of most of the selected genes. Not surprisingly, the combined effect of low pH and low DO could not be predicted by a simple arithmetic additive response at the effect level, highlighting more complex and non-linear effects.
650 7a NATURVETENSKAPx Biologix Ekologi0 (SwePub)106112 hsv//swe
650 7a NATURAL SCIENCESx Biological Sciencesx Ecology0 (SwePub)106112 hsv//eng
653 a Hypoxia
653 a Acidification
653 a Multiple stressors
653 a Physiology
653 a Gene expression
653 a Bivalves
653 a ocean acidification
653 a oxidative stress
653 a crassostrea-gigas
653 a seawater
653 a acidification
653 a pacific oyster
653 a perna-viridis
653 a hypoxia
653 a exposure
653 a respiration
653 a metabolism
653 a Environmental Sciences & Ecology
653 a Marine & Freshwater Biology
700a Kilic, O.4 aut
700a Gezginci-Oktayoglu, S.4 aut
700a Sezer, N.4 aut
700a Demiralp, S.4 aut
700a Sahin, B.4 aut
700a Dupont, Samuel,d 1971u Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences4 aut0 (Swepub:gu)xdupsa
710a Göteborgs universitetb Institutionen för biologi och miljövetenskap4 org
773t Marine Pollution Bulletind : Elsevier BVg 187q 187x 0025-326X
8564 8u https://gup.ub.gu.se/publication/324335
8564 8u https://doi.org/10.1016/j.marpolbul.2023.114602

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