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Calcium handling in Sparus auratus: effects of water and dietary calcium levels on mineral composition, cortisol and PTHrP levels

2004-11-01Journal article Open access
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dc.contributor.authorAbbink, W.
dc.contributor.authorBevelander, G. S.
dc.contributor.authorRotllant, J.
dc.contributor.authorCanario, Adelino V. M.
dc.contributor.authorFlik, G.
dc.date.accessioned2014-05-09T17:14:39Z
dc.date.available2014-05-09T17:14:39Z
dc.date.issued2004-11-01
dc.date.updated2014-05-07T11:28:43Z
dc.description.abstractJuvenile gilthead sea bream (Sparus auratus L.; 10–40·g body mass) were acclimatized in the laboratory to full strength (34‰) or dilute (2.5‰) seawater and fed normal, calcium-sufficient or calcium-deficient diet for nine weeks. Mean growth rate, whole-body calcium and phosphorus content and accumulation rates were determined, as well as plasma levels of ionic and total calcium, cortisol and parathyroid hormone related protein (PTHrP; a hypercalcemic hormone in fish). When confronted with limited calcium access (low salinity and calcium-deficient diet), sea bream show growth arrest. Both plasma cortisol and PTHrP increase when calcium is limited in water or diet, and a positive relationship was found between plasma PTHrP and plasma ionic calcium (R2=0.29, N=18, P<0.05). Furthermore, a strong correlation was found between net calcium and phosphorus accumulation (R2=0.92, N=16, P<0.01) and between body mass and whole-body calcium (R2=0.84, N=25, P<0.01) and phosphorus (R2=0.88, N=24, P<0.01) content. Phosphorus accumulation is strongly calcium dependent, as phosphorus accumulation decreases in parallel to calcium accumulation when the diet is calcium deficient but phosphorus sufficient. We conclude that PTHrP and cortisol are involved in the regulation of the hydromineral balance of these fish, with growthrelated calcium accumulation as an important target.por
dc.identifier.citationAbbink, W.; Bevelander, G. S.; Rotllant, J.; Canario, A. V. M.; Flik, G.Calcium handling in Sparus auratus: effects of water and dietary calcium levels on mineral composition, cortisol and PTHrP levels, Journal of Experimental Biology, 207, 23, 4077-4084, 2004.por
dc.identifier.doihttp://dx.doi.org/10.1242/jeb.01254
dc.identifier.issn0022-0949
dc.identifier.otherAUT: ACA00258
dc.identifier.urihttp://hdl.handle.net/10400.1/3844
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherThe Company of Biologistspor
dc.relation.publisherversionhttp://jeb.biologists.org/content/207/23/4077.full.pdf+htmlpor
dc.subjectHypocalcemiapor
dc.subjectGrowthpor
dc.subjectCalcium balancepor
dc.subjectPTHrPpor
dc.subjectCortisolpor
dc.titleCalcium handling in Sparus auratus: effects of water and dietary calcium levels on mineral composition, cortisol and PTHrP levelspor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage4084por
oaire.citation.issue23por
oaire.citation.startPage4077por
oaire.citation.titleThe Journal of Experimental Biologypor
oaire.citation.volume207por
person.familyNameCanario
person.givenNameAdelino
person.identifier143624
person.identifier.ciencia-id1F1E-D3B3-F804
person.identifier.orcid0000-0002-6244-6468
person.identifier.ridC-7942-2009
person.identifier.scopus-author-id56568523700
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication5f6e51ee-9113-469e-8b9e-f30f2d452521
relation.isAuthorOfPublication.latestForDiscovery5f6e51ee-9113-469e-8b9e-f30f2d452521

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