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Ocean acidification compromises energy management in Sparus aurata (Pisces: Teleostei)

2021-06Journal article Restricted access
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dc.contributor.authorRuiz-Jarabo, I.
dc.contributor.authorGregorio, SF
dc.contributor.authorAlves, Alexandra
dc.contributor.authorMancera, J. M.
dc.contributor.authorFuentes, Juan
dc.date.accessioned2021-09-08T10:57:51Z
dc.date.available2021-09-08T10:57:51Z
dc.date.issued2021-06
dc.description.abstractThe effects of ocean acidification mediated by an increase in water pCO(2) levels on marine organisms are currently under debate. Elevated CO2 concentrations in the seawater induce several physiological responses in teleost fish, including acid-base imbalances and osmoregulatory changes. However, the consequences of CO2 levels enhancement on energy metabolism are mostly unknown. Here we show that 5 weeks of exposure to hypercapnia (950 and 1800 mu atm CO2) altered intermediary metabolism of gilthead seabream (Sparus aurata) compared to fish acclimated to current ocean values (440 mu atm CO2). We found that seabream compromises its physiological acid-base balance with increasing water CO2 levels and the subsequent acidification. Intestinal regions (anterior, mid, and rectum) engaged in maintaining this balance are thus altered, as seen for Na+/K+ ATPase and the vacuolar-type H+-ATPase activities. Moreover, liver and muscle counteracted these effects by increasing catabolic routes e.g., glycogenolysis, glycolysis, amino acid turnover, and lipid catabolism, and plasma energy metabolites were altered. Our results demonstrate how a relatively short period of 5 weeks of water hypercapnia is likely to disrupt the acid-base balance, osmoregulatory capacity and intermediary metabolism in S. aurata. However, long-term studies are necessary to fully understand the consequences of ocean acidification on growth and other energy-demanding activities, such as reproduction.
dc.description.sponsorshipMinistry of Science and Higher EducationMinistry of Science and Higher Education, PolandEuropean Commission; European Social Funds through the Portuguese National Science Foundation (FCT)Portuguese Foundation for Science and Technology [PTDC/MAR-BIO/3034/2014]; Portuguese Foundation for Science and Technology (FCT)Portuguese Foundation for Science and Technology [UIDB/04326/2020]
dc.identifier.doi10.1016/j.cbpa.2021.110911
dc.identifier.issn1095-6433
dc.identifier.urihttp://hdl.handle.net/10400.1/16956
dc.language.isoeng
dc.peerreviewedyes
dc.publisherELSEVIER SCIENCE INC
dc.subjectEnergy management
dc.subjectFish
dc.subjectIntermediary metabolism
dc.subjectOcean acidification
dc.subjectSparus aurata
dc.subject.otherBiochemistry & Molecular Biology; Physiology; Zoology
dc.titleOcean acidification compromises energy management in Sparus aurata (Pisces: Teleostei)
dc.typejournal article
dspace.entity.typePublication
oaire.citation.startPage110911
oaire.citation.titleComparative Biochemistry and Physiology A-Molecular & Integrative Physiology
oaire.citation.volume256
person.familyNameRuiz-Jarabo
person.familyNameGregorio
person.familyNameCarvalho Alves
person.familyNameFuentes
person.givenNameIgnacio
person.givenNameSilvia
person.givenNameAlexandra
person.givenNameJuan
person.identifier1579837
person.identifier392998
person.identifier.ciencia-idBF14-020B-4C39
person.identifier.ciencia-id8D19-0844-ACCF
person.identifier.ciencia-id421B-E196-2C33
person.identifier.orcid0000-0002-3918-0921
person.identifier.orcid0000-0002-6648-5122
person.identifier.orcid0000-0003-1153-596X
person.identifier.orcid0000-0003-0430-8734
person.identifier.ridG-1618-2018
person.identifier.scopus-author-id7201832526
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isAuthorOfPublication31cbd691-c8ea-4ad5-838e-bcf58a4f533f
relation.isAuthorOfPublication9bc940d8-7dfb-4950-98f4-6853f398cb49
relation.isAuthorOfPublication2b024165-dd12-4014-9ab3-4644b92460b8
relation.isAuthorOfPublicationd354b937-b18c-4ca5-a843-04a04269d60f
relation.isAuthorOfPublication.latestForDiscovery2b024165-dd12-4014-9ab3-4644b92460b8

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