Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/7221
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dc.contributor.authorFernández-Urruzola, Igoren_US
dc.contributor.authorPackard, Theodore T.en_US
dc.contributor.authorGómez, Mayen_US
dc.date.accessioned2012-04-10T08:41:21Z-
dc.date.accessioned2018-06-18T06:51:35Z-
dc.date.available2012-04-10T08:41:21Z-
dc.date.available2018-06-18T06:51:35Z-
dc.date.issued2011en_US
dc.identifier.urihttp://hdl.handle.net/10553/7221-
dc.description.abstractAmmonium (NH4+) release by bacterial remineralization and heterotrophic grazers determines the regenerated fraction of phytoplankton productivity, so the measurement of NH4+ excretion in marine organisms is necessary to characterize both the magnitude and the efficiency of the nitrogen cycle. Glutamate dehydrogenase (GDH) is largely responsible for NH4+ formation in crustaceans and consequently should be useful in estimating NH4+ excretion by marine zooplankton.<br />Here, we address body size and starvation as sources of variability on the GDH to NH4+ excretion ratio (GDH/RNH4+). We found a strong correlation between the RNH4+ and the GDH activity (r2 = 0.87, n = 41) during growth. Since GDH activity maintained a linear relation (b = 0.93) and RNH4+ scaled exponentially (b =0.55) in well fed mysids, the GDH/RNH4+ ratio increased with size. However, the magnitude of its variation increased even more when adult mysids were starved. In this case, the GDH/RNH4+ ratio ranged from 11.23 to 102.41.es
dc.languageengen_US
dc.source5th International Zooplankton Symposium, Pucón, Chile, Marzo, 2011en_US
dc.subject251001 Oceanografía biológicaes
dc.subject.otherGlutamate dehydrogenasees
dc.subject.otherAmmonium excretiones
dc.subject.otherLeptomysis lingvuraes
dc.subject.otherStarvationes
dc.subject.otherBody sizees
dc.titleThe impact of body size and starvation on the biochemistry and the physiology of ammonium excretion in the marine mysid, "Leptomysis lingvura"en_US
dc.typeinfo:eu-repo/semantics/conferenceobjecten_US
dc.typeConference posteren_US
dc.identifier.absysnet659342-
dc.investigacionCienciases
dc.rights.accessrightsinfo:eu-repo/semantics/openAccesses
dc.type2Póster de congresosen_US
dc.identifier.ulpgces
item.fulltextCon texto completo-
item.grantfulltextopen-
crisitem.author.deptEcofisiología de Organismos Marinos-
crisitem.author.deptIU de Investigación en Acuicultura Sostenible y Ec-
crisitem.author.deptDepartamento de Biología-
crisitem.author.orcid0000-0001-7287-3503-
crisitem.author.orcid0000-0002-5880-1199-
crisitem.author.orcid0000-0002-7396-6493-
crisitem.author.parentorgIU de Investigación en Acuicultura Sostenible y Ec-
crisitem.author.fullNameFernández Urruzola, Igor-
crisitem.author.fullNamePackard, Theodore Train-
crisitem.author.fullNameGómez Cabrera, María Milagrosa-
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