Seasonal changes in biochemical composition of the clam Eurhomalea exalbida (Bivalvia,Veneridae) from Ushuaia Bay (54º 50'S), Beagle Channel (Argentina)

Autores
Lomovasky, Betina Judith; Malanga, Gabriela Fabiana; Calvo, Jorge
Año de publicación
2004
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Seasonal changes in biochemical composition (protein, glycogen and lipid content) of different organs (FV: foot-visceral mass, M: adductor muscles and GMS: gills-mantle-siphons) of the clam Eurhomalea exalbida from Ushuaia Bay (54º 50´ S, Beagle Channel, Tierra del Fuego) were examined to describe changes in relation to reproduction and growth. A maximum level of protein content was observed during winter in all tissues, with other increase during the spawning event (November) in FV and in November and January in GMS. In the adductor muscle, the protein content shows low variability during the year, except in June. Suggesting that all these tissues are involved in the storage of proteins, which are thought to play a role in vitellogenesis. The percentage of glycogen content for FV, M and GMS showed low values (0.03% to 4.7% AFDW) along the year, which suggest that these components did not have an important function as substrate for energy reserves. Low values of lipid content for FV were found in November with increased levels in summer season. Thus, the lipid content variations can be related principally to gamete emission in November and the vitellogenesis in summer season. The high levels of lipid content in FV over the rest of the year were correlated with the presence of mature gonads throughout the major part of the year. Therefore, our results suggest that in E. exalbida: (a) proteins are the most important storage substrate; (b) the relative content of protein, lipid and glycogen of the adult specimens vary seasonally in accordance with the reproductive cycle and the season of maximum growth, when the organism reaches reproductive maturity (summer), shell growth slows down because of reproductive investment.
Fil: Lomovasky, Betina Judith. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina. Universidad Nacional de Mar del Plata; Argentina
Fil: Malanga, Gabriela Fabiana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
Fil: Calvo, Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
Materia
Eurhomalea Exalbida
Biochemical Composition
Beagle Channel
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/34336
Acceder
id CONICETDig_174a1bc5c37b308813be5b74a890c6ee
oai_identifier_str oai:ri.conicet.gov.ar:11336/34336
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Seasonal changes in biochemical composition of the clam Eurhomalea exalbida (Bivalvia,Veneridae) from Ushuaia Bay (54º 50'S), Beagle Channel (Argentina)Lomovasky, Betina JudithMalanga, Gabriela FabianaCalvo, JorgeEurhomalea ExalbidaBiochemical CompositionBeagle Channelhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Seasonal changes in biochemical composition (protein, glycogen and lipid content) of different organs (FV: foot-visceral mass, M: adductor muscles and GMS: gills-mantle-siphons) of the clam Eurhomalea exalbida from Ushuaia Bay (54º 50´ S, Beagle Channel, Tierra del Fuego) were examined to describe changes in relation to reproduction and growth. A maximum level of protein content was observed during winter in all tissues, with other increase during the spawning event (November) in FV and in November and January in GMS. In the adductor muscle, the protein content shows low variability during the year, except in June. Suggesting that all these tissues are involved in the storage of proteins, which are thought to play a role in vitellogenesis. The percentage of glycogen content for FV, M and GMS showed low values (0.03% to 4.7% AFDW) along the year, which suggest that these components did not have an important function as substrate for energy reserves. Low values of lipid content for FV were found in November with increased levels in summer season. Thus, the lipid content variations can be related principally to gamete emission in November and the vitellogenesis in summer season. The high levels of lipid content in FV over the rest of the year were correlated with the presence of mature gonads throughout the major part of the year. Therefore, our results suggest that in E. exalbida: (a) proteins are the most important storage substrate; (b) the relative content of protein, lipid and glycogen of the adult specimens vary seasonally in accordance with the reproductive cycle and the season of maximum growth, when the organism reaches reproductive maturity (summer), shell growth slows down because of reproductive investment.Fil: Lomovasky, Betina Judith. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina. Universidad Nacional de Mar del Plata; ArgentinaFil: Malanga, Gabriela Fabiana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; ArgentinaFil: Calvo, Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; ArgentinaNational Shellfisheries Association2004-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/34336Lomovasky, Betina Judith; Malanga, Gabriela Fabiana; Calvo, Jorge; Seasonal changes in biochemical composition of the clam Eurhomalea exalbida (Bivalvia,Veneridae) from Ushuaia Bay (54º 50'S), Beagle Channel (Argentina); National Shellfisheries Association; Journal Of Shellfish Research; 23; 1; 2-2004; 81-870730-8000CONICET DigitalCONICETengTierra del Fuego, Argentinainfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-10T13:21:07Zoai:ri.conicet.gov.ar:11336/34336instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-10 13:21:07.767CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Seasonal changes in biochemical composition of the clam Eurhomalea exalbida (Bivalvia,Veneridae) from Ushuaia Bay (54º 50'S), Beagle Channel (Argentina)
title Seasonal changes in biochemical composition of the clam Eurhomalea exalbida (Bivalvia,Veneridae) from Ushuaia Bay (54º 50'S), Beagle Channel (Argentina)
spellingShingle Seasonal changes in biochemical composition of the clam Eurhomalea exalbida (Bivalvia,Veneridae) from Ushuaia Bay (54º 50'S), Beagle Channel (Argentina)
Lomovasky, Betina Judith
Eurhomalea Exalbida
Biochemical Composition
Beagle Channel
title_short Seasonal changes in biochemical composition of the clam Eurhomalea exalbida (Bivalvia,Veneridae) from Ushuaia Bay (54º 50'S), Beagle Channel (Argentina)
title_full Seasonal changes in biochemical composition of the clam Eurhomalea exalbida (Bivalvia,Veneridae) from Ushuaia Bay (54º 50'S), Beagle Channel (Argentina)
title_fullStr Seasonal changes in biochemical composition of the clam Eurhomalea exalbida (Bivalvia,Veneridae) from Ushuaia Bay (54º 50'S), Beagle Channel (Argentina)
title_full_unstemmed Seasonal changes in biochemical composition of the clam Eurhomalea exalbida (Bivalvia,Veneridae) from Ushuaia Bay (54º 50'S), Beagle Channel (Argentina)
title_sort Seasonal changes in biochemical composition of the clam Eurhomalea exalbida (Bivalvia,Veneridae) from Ushuaia Bay (54º 50'S), Beagle Channel (Argentina)
dc.creator.none.fl_str_mv Lomovasky, Betina Judith
Malanga, Gabriela Fabiana
Calvo, Jorge
author Lomovasky, Betina Judith
author_facet Lomovasky, Betina Judith
Malanga, Gabriela Fabiana
Calvo, Jorge
author_role author
author2 Malanga, Gabriela Fabiana
Calvo, Jorge
author2_role author
author
dc.subject.none.fl_str_mv Eurhomalea Exalbida
Biochemical Composition
Beagle Channel
topic Eurhomalea Exalbida
Biochemical Composition
Beagle Channel
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Seasonal changes in biochemical composition (protein, glycogen and lipid content) of different organs (FV: foot-visceral mass, M: adductor muscles and GMS: gills-mantle-siphons) of the clam Eurhomalea exalbida from Ushuaia Bay (54º 50´ S, Beagle Channel, Tierra del Fuego) were examined to describe changes in relation to reproduction and growth. A maximum level of protein content was observed during winter in all tissues, with other increase during the spawning event (November) in FV and in November and January in GMS. In the adductor muscle, the protein content shows low variability during the year, except in June. Suggesting that all these tissues are involved in the storage of proteins, which are thought to play a role in vitellogenesis. The percentage of glycogen content for FV, M and GMS showed low values (0.03% to 4.7% AFDW) along the year, which suggest that these components did not have an important function as substrate for energy reserves. Low values of lipid content for FV were found in November with increased levels in summer season. Thus, the lipid content variations can be related principally to gamete emission in November and the vitellogenesis in summer season. The high levels of lipid content in FV over the rest of the year were correlated with the presence of mature gonads throughout the major part of the year. Therefore, our results suggest that in E. exalbida: (a) proteins are the most important storage substrate; (b) the relative content of protein, lipid and glycogen of the adult specimens vary seasonally in accordance with the reproductive cycle and the season of maximum growth, when the organism reaches reproductive maturity (summer), shell growth slows down because of reproductive investment.
Fil: Lomovasky, Betina Judith. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina. Universidad Nacional de Mar del Plata; Argentina
Fil: Malanga, Gabriela Fabiana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
Fil: Calvo, Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
description Seasonal changes in biochemical composition (protein, glycogen and lipid content) of different organs (FV: foot-visceral mass, M: adductor muscles and GMS: gills-mantle-siphons) of the clam Eurhomalea exalbida from Ushuaia Bay (54º 50´ S, Beagle Channel, Tierra del Fuego) were examined to describe changes in relation to reproduction and growth. A maximum level of protein content was observed during winter in all tissues, with other increase during the spawning event (November) in FV and in November and January in GMS. In the adductor muscle, the protein content shows low variability during the year, except in June. Suggesting that all these tissues are involved in the storage of proteins, which are thought to play a role in vitellogenesis. The percentage of glycogen content for FV, M and GMS showed low values (0.03% to 4.7% AFDW) along the year, which suggest that these components did not have an important function as substrate for energy reserves. Low values of lipid content for FV were found in November with increased levels in summer season. Thus, the lipid content variations can be related principally to gamete emission in November and the vitellogenesis in summer season. The high levels of lipid content in FV over the rest of the year were correlated with the presence of mature gonads throughout the major part of the year. Therefore, our results suggest that in E. exalbida: (a) proteins are the most important storage substrate; (b) the relative content of protein, lipid and glycogen of the adult specimens vary seasonally in accordance with the reproductive cycle and the season of maximum growth, when the organism reaches reproductive maturity (summer), shell growth slows down because of reproductive investment.
publishDate 2004
dc.date.none.fl_str_mv 2004-02
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/34336
Lomovasky, Betina Judith; Malanga, Gabriela Fabiana; Calvo, Jorge; Seasonal changes in biochemical composition of the clam Eurhomalea exalbida (Bivalvia,Veneridae) from Ushuaia Bay (54º 50'S), Beagle Channel (Argentina); National Shellfisheries Association; Journal Of Shellfish Research; 23; 1; 2-2004; 81-87
0730-8000
CONICET Digital
CONICET
url http://hdl.handle.net/11336/34336
identifier_str_mv Lomovasky, Betina Judith; Malanga, Gabriela Fabiana; Calvo, Jorge; Seasonal changes in biochemical composition of the clam Eurhomalea exalbida (Bivalvia,Veneridae) from Ushuaia Bay (54º 50'S), Beagle Channel (Argentina); National Shellfisheries Association; Journal Of Shellfish Research; 23; 1; 2-2004; 81-87
0730-8000
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
dc.coverage.none.fl_str_mv Tierra del Fuego, Argentina
dc.publisher.none.fl_str_mv National Shellfisheries Association
publisher.none.fl_str_mv National Shellfisheries Association
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
_version_ 1842981157634834432
score 12.48226

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