Utilization of a liquid fertilizer to improve Rhodomonas sp. lipid composition for aquaculture purposes
- Autores
- Scodelaro Bilbao, Paola Gabriela; Berasategui, Anabela Anhi
- Año de publicación
- 2021
- Idioma
- inglés
- Tipo de recurso
- documento de conferencia
- Estado
- versión publicada
- Descripción
- The microalga Rhodomonas sp. is important as live feed for copepod production. Thus, improving its growth and biochemical composition is essential for aquaculture. In this work, the utilization of a liquid fertilizer as an alternative growing medium of Rhodomonas sp. was studied. The strain was grown in cultivation bags at a final volume of 5 L at 15°C ± 1°C, light intensity of 60 μmol photons m-2 s-1 and under continuous light. Both culture conditions were prepared using sterile seawater and then adding B1 (1mL/L) culture medium (control) or liquid fertilizer (1mL/L) (fertilizer condition). Then, cell density, dry weight, lipid content and fatty acid composition of Rhodomonas sp. were determined. The use of fertilizer induced an increase in cell number and dry weight. In addition, triacylgliceride and sterol content significantly increased when Rhodomonas sp. were grown in the presence of fertilizer. Fatty acid composition showed that the percentage of eicosapentenoic (EPA, C 20:5n3) and docosahexaenoic (DHA, C 22:6n3) fatty acids (FAs), the most required by copepods, significantly increased at expense of palmitic (C 16:0) and oleic (C 18:1n9) FAs. Finally, both Rhodomonas sp. cultures (control and fertilizer conditions) were used as living food for the native copepod Acartia tonsa, isolated from Bahia Blanca?s Estuary. Then, the reproductive success was measured in terms of egg production. The results revealed that Rhodomonas sp. grown in the presence of fertilizer induced a significant increase in the total number of eggs. Thus, the results presented suggest that microalgal biochemical composition directly impacts on copepod reproduction, supporting the importance of this study to improve the production of native aquatic species for aquaculture purposes.
Fil: Scodelaro Bilbao, Paola Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina
Fil: Berasategui, Anabela Anhi. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Argentino de Oceanografía. Universidad Nacional del Sur. Instituto Argentino de Oceanografía; Argentina
LVII Reunión Anual de Sociedad Argentina de Investigación Bioquímica y XVI Annual Meeting of the Argentinean Society for General Microbiology
Mendoza
Argentina
Sociedad Argentina de Investigación en Bioquímica y Biología Molecular - Materia
-
Rhodomonas sp.
Lípidos bioactivos
Acuicultura - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/257712
Ver los metadatos del registro completo
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Utilization of a liquid fertilizer to improve Rhodomonas sp. lipid composition for aquaculture purposesScodelaro Bilbao, Paola GabrielaBerasategui, Anabela AnhiRhodomonas sp.Lípidos bioactivosAcuiculturahttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The microalga Rhodomonas sp. is important as live feed for copepod production. Thus, improving its growth and biochemical composition is essential for aquaculture. In this work, the utilization of a liquid fertilizer as an alternative growing medium of Rhodomonas sp. was studied. The strain was grown in cultivation bags at a final volume of 5 L at 15°C ± 1°C, light intensity of 60 μmol photons m-2 s-1 and under continuous light. Both culture conditions were prepared using sterile seawater and then adding B1 (1mL/L) culture medium (control) or liquid fertilizer (1mL/L) (fertilizer condition). Then, cell density, dry weight, lipid content and fatty acid composition of Rhodomonas sp. were determined. The use of fertilizer induced an increase in cell number and dry weight. In addition, triacylgliceride and sterol content significantly increased when Rhodomonas sp. were grown in the presence of fertilizer. Fatty acid composition showed that the percentage of eicosapentenoic (EPA, C 20:5n3) and docosahexaenoic (DHA, C 22:6n3) fatty acids (FAs), the most required by copepods, significantly increased at expense of palmitic (C 16:0) and oleic (C 18:1n9) FAs. Finally, both Rhodomonas sp. cultures (control and fertilizer conditions) were used as living food for the native copepod Acartia tonsa, isolated from Bahia Blanca?s Estuary. Then, the reproductive success was measured in terms of egg production. The results revealed that Rhodomonas sp. grown in the presence of fertilizer induced a significant increase in the total number of eggs. Thus, the results presented suggest that microalgal biochemical composition directly impacts on copepod reproduction, supporting the importance of this study to improve the production of native aquatic species for aquaculture purposes.Fil: Scodelaro Bilbao, Paola Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; ArgentinaFil: Berasategui, Anabela Anhi. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Argentino de Oceanografía. Universidad Nacional del Sur. Instituto Argentino de Oceanografía; ArgentinaLVII Reunión Anual de Sociedad Argentina de Investigación Bioquímica y XVI Annual Meeting of the Argentinean Society for General MicrobiologyMendozaArgentinaSociedad Argentina de Investigación en Bioquímica y Biología MolecularTech Science Press2021info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectCongresoJournalhttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/257712Utilization of a liquid fertilizer to improve Rhodomonas sp. lipid composition for aquaculture purposes; LVII Reunión Anual de Sociedad Argentina de Investigación Bioquímica y XVI Annual Meeting of the Argentinean Society for General Microbiology; Mendoza; Argentina; 2021; 85-850327-95451667-5746CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://saib.org.ar/archivos/biocell-46.pdfInternacionalinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:36:36Zoai:ri.conicet.gov.ar:11336/257712instacron: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:34982025-09-29 10:36:36.617CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Utilization of a liquid fertilizer to improve Rhodomonas sp. lipid composition for aquaculture purposes |
title |
Utilization of a liquid fertilizer to improve Rhodomonas sp. lipid composition for aquaculture purposes |
spellingShingle |
Utilization of a liquid fertilizer to improve Rhodomonas sp. lipid composition for aquaculture purposes Scodelaro Bilbao, Paola Gabriela Rhodomonas sp. Lípidos bioactivos Acuicultura |
title_short |
Utilization of a liquid fertilizer to improve Rhodomonas sp. lipid composition for aquaculture purposes |
title_full |
Utilization of a liquid fertilizer to improve Rhodomonas sp. lipid composition for aquaculture purposes |
title_fullStr |
Utilization of a liquid fertilizer to improve Rhodomonas sp. lipid composition for aquaculture purposes |
title_full_unstemmed |
Utilization of a liquid fertilizer to improve Rhodomonas sp. lipid composition for aquaculture purposes |
title_sort |
Utilization of a liquid fertilizer to improve Rhodomonas sp. lipid composition for aquaculture purposes |
dc.creator.none.fl_str_mv |
Scodelaro Bilbao, Paola Gabriela Berasategui, Anabela Anhi |
author |
Scodelaro Bilbao, Paola Gabriela |
author_facet |
Scodelaro Bilbao, Paola Gabriela Berasategui, Anabela Anhi |
author_role |
author |
author2 |
Berasategui, Anabela Anhi |
author2_role |
author |
dc.subject.none.fl_str_mv |
Rhodomonas sp. Lípidos bioactivos Acuicultura |
topic |
Rhodomonas sp. Lípidos bioactivos Acuicultura |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
The microalga Rhodomonas sp. is important as live feed for copepod production. Thus, improving its growth and biochemical composition is essential for aquaculture. In this work, the utilization of a liquid fertilizer as an alternative growing medium of Rhodomonas sp. was studied. The strain was grown in cultivation bags at a final volume of 5 L at 15°C ± 1°C, light intensity of 60 μmol photons m-2 s-1 and under continuous light. Both culture conditions were prepared using sterile seawater and then adding B1 (1mL/L) culture medium (control) or liquid fertilizer (1mL/L) (fertilizer condition). Then, cell density, dry weight, lipid content and fatty acid composition of Rhodomonas sp. were determined. The use of fertilizer induced an increase in cell number and dry weight. In addition, triacylgliceride and sterol content significantly increased when Rhodomonas sp. were grown in the presence of fertilizer. Fatty acid composition showed that the percentage of eicosapentenoic (EPA, C 20:5n3) and docosahexaenoic (DHA, C 22:6n3) fatty acids (FAs), the most required by copepods, significantly increased at expense of palmitic (C 16:0) and oleic (C 18:1n9) FAs. Finally, both Rhodomonas sp. cultures (control and fertilizer conditions) were used as living food for the native copepod Acartia tonsa, isolated from Bahia Blanca?s Estuary. Then, the reproductive success was measured in terms of egg production. The results revealed that Rhodomonas sp. grown in the presence of fertilizer induced a significant increase in the total number of eggs. Thus, the results presented suggest that microalgal biochemical composition directly impacts on copepod reproduction, supporting the importance of this study to improve the production of native aquatic species for aquaculture purposes. Fil: Scodelaro Bilbao, Paola Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina Fil: Berasategui, Anabela Anhi. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Argentino de Oceanografía. Universidad Nacional del Sur. Instituto Argentino de Oceanografía; Argentina LVII Reunión Anual de Sociedad Argentina de Investigación Bioquímica y XVI Annual Meeting of the Argentinean Society for General Microbiology Mendoza Argentina Sociedad Argentina de Investigación en Bioquímica y Biología Molecular |
description |
The microalga Rhodomonas sp. is important as live feed for copepod production. Thus, improving its growth and biochemical composition is essential for aquaculture. In this work, the utilization of a liquid fertilizer as an alternative growing medium of Rhodomonas sp. was studied. The strain was grown in cultivation bags at a final volume of 5 L at 15°C ± 1°C, light intensity of 60 μmol photons m-2 s-1 and under continuous light. Both culture conditions were prepared using sterile seawater and then adding B1 (1mL/L) culture medium (control) or liquid fertilizer (1mL/L) (fertilizer condition). Then, cell density, dry weight, lipid content and fatty acid composition of Rhodomonas sp. were determined. The use of fertilizer induced an increase in cell number and dry weight. In addition, triacylgliceride and sterol content significantly increased when Rhodomonas sp. were grown in the presence of fertilizer. Fatty acid composition showed that the percentage of eicosapentenoic (EPA, C 20:5n3) and docosahexaenoic (DHA, C 22:6n3) fatty acids (FAs), the most required by copepods, significantly increased at expense of palmitic (C 16:0) and oleic (C 18:1n9) FAs. Finally, both Rhodomonas sp. cultures (control and fertilizer conditions) were used as living food for the native copepod Acartia tonsa, isolated from Bahia Blanca?s Estuary. Then, the reproductive success was measured in terms of egg production. The results revealed that Rhodomonas sp. grown in the presence of fertilizer induced a significant increase in the total number of eggs. Thus, the results presented suggest that microalgal biochemical composition directly impacts on copepod reproduction, supporting the importance of this study to improve the production of native aquatic species for aquaculture purposes. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/conferenceObject Congreso Journal http://purl.org/coar/resource_type/c_5794 info:ar-repo/semantics/documentoDeConferencia |
status_str |
publishedVersion |
format |
conferenceObject |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/257712 Utilization of a liquid fertilizer to improve Rhodomonas sp. lipid composition for aquaculture purposes; LVII Reunión Anual de Sociedad Argentina de Investigación Bioquímica y XVI Annual Meeting of the Argentinean Society for General Microbiology; Mendoza; Argentina; 2021; 85-85 0327-9545 1667-5746 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/257712 |
identifier_str_mv |
Utilization of a liquid fertilizer to improve Rhodomonas sp. lipid composition for aquaculture purposes; LVII Reunión Anual de Sociedad Argentina de Investigación Bioquímica y XVI Annual Meeting of the Argentinean Society for General Microbiology; Mendoza; Argentina; 2021; 85-85 0327-9545 1667-5746 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://saib.org.ar/archivos/biocell-46.pdf |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by/2.5/ar/ |
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application/pdf application/pdf application/pdf |
dc.coverage.none.fl_str_mv |
Internacional |
dc.publisher.none.fl_str_mv |
Tech Science Press |
publisher.none.fl_str_mv |
Tech Science Press |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
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