Scleroglucan production by Sclerotium rolfsii ATCC 201126: Influence of the carbon source

Autores
Valdez, Alejandra Leonor; Viñarta, Silvana Carolina; Castellanos, Lucia Ines; Fariña, Julia Ines
Año de publicación
2011
Idioma
inglés
Tipo de recurso
documento de conferencia
Estado
versión publicada
Descripción
Scleroglucan is a β-D-(1,3)-(1,6)-glucan produced by Sclerotium rolfsii ATCC 201126. This neutral water-soluble exopolysaccharide (EPS) was produced by submerged culture in MP20 liquid medium (sucrose: 20 g/L; initial pH: 4.5). The influence of 9 different simple and complex carbon sources on scleroglucan, biomass and oxalic acid production was evaluated. Batch fermentation processes were carried out in Erlenmeyer flasks at 30ºC and 250 rpm during 72 h. Higher EPS production (7 g/L) was obtained with sucrose and maltose as C-source. Biomass was significantly increased with maltose (~9 g/L) and soluble starch (9.6 g/L). Variable concentrations of oxalic acid were observed depending on the C-source used. The possibility to select appropriated culture conditions for S. rolfsii ATCC 201126 according to the product of interest was demonstrated. Additionally, biomass and EPS production obtained with molasses as C-source would allow to propose the use of low-cost substrates for the production of high-added value metabolites.
Fil: Valdez, Alejandra Leonor. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina
Fil: Viñarta, Silvana Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina
Fil: Castellanos, Lucia Ines. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina
Fil: Fariña, Julia Ines. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina
XLVII Reunión Anual de la Sociedad Argentina de Investigación en Bioquímica y Biología Molecular
Potrero de los Funes
Argentina
Sociedad Argentina de Investigación en Bioquímica y Biología Molecular
Materia
Scleroglucan production
Complex carbon source
Oxalic acid
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/213133

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spelling Scleroglucan production by Sclerotium rolfsii ATCC 201126: Influence of the carbon sourceValdez, Alejandra LeonorViñarta, Silvana CarolinaCastellanos, Lucia InesFariña, Julia InesScleroglucan productionComplex carbon sourceOxalic acidhttps://purl.org/becyt/ford/2.9https://purl.org/becyt/ford/2Scleroglucan is a β-D-(1,3)-(1,6)-glucan produced by Sclerotium rolfsii ATCC 201126. This neutral water-soluble exopolysaccharide (EPS) was produced by submerged culture in MP20 liquid medium (sucrose: 20 g/L; initial pH: 4.5). The influence of 9 different simple and complex carbon sources on scleroglucan, biomass and oxalic acid production was evaluated. Batch fermentation processes were carried out in Erlenmeyer flasks at 30ºC and 250 rpm during 72 h. Higher EPS production (7 g/L) was obtained with sucrose and maltose as C-source. Biomass was significantly increased with maltose (~9 g/L) and soluble starch (9.6 g/L). Variable concentrations of oxalic acid were observed depending on the C-source used. The possibility to select appropriated culture conditions for S. rolfsii ATCC 201126 according to the product of interest was demonstrated. Additionally, biomass and EPS production obtained with molasses as C-source would allow to propose the use of low-cost substrates for the production of high-added value metabolites.Fil: Valdez, Alejandra Leonor. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; ArgentinaFil: Viñarta, Silvana Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; ArgentinaFil: Castellanos, Lucia Ines. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; ArgentinaFil: Fariña, Julia Ines. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; ArgentinaXLVII Reunión Anual de la Sociedad Argentina de Investigación en Bioquímica y Biología MolecularPotrero de los FunesArgentinaSociedad Argentina de Investigación en Bioquímica y Biología MolecularTech Science Press2011info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectReuniónJournalhttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/213133Scleroglucan production by Sclerotium rolfsii ATCC 201126: Influence of the carbon source; XLVII Reunión Anual de la Sociedad Argentina de Investigación en Bioquímica y Biología Molecular; Potrero de los Funes; Argentina; 2011; 93-930327-9545CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://saib.org.ar/archivos/biocell-35.pdfInternacionalinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:54:42Zoai:ri.conicet.gov.ar:11336/213133instacron: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:34982025-10-15 14:54:43.207CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Scleroglucan production by Sclerotium rolfsii ATCC 201126: Influence of the carbon source
title Scleroglucan production by Sclerotium rolfsii ATCC 201126: Influence of the carbon source
spellingShingle Scleroglucan production by Sclerotium rolfsii ATCC 201126: Influence of the carbon source
Valdez, Alejandra Leonor
Scleroglucan production
Complex carbon source
Oxalic acid
title_short Scleroglucan production by Sclerotium rolfsii ATCC 201126: Influence of the carbon source
title_full Scleroglucan production by Sclerotium rolfsii ATCC 201126: Influence of the carbon source
title_fullStr Scleroglucan production by Sclerotium rolfsii ATCC 201126: Influence of the carbon source
title_full_unstemmed Scleroglucan production by Sclerotium rolfsii ATCC 201126: Influence of the carbon source
title_sort Scleroglucan production by Sclerotium rolfsii ATCC 201126: Influence of the carbon source
dc.creator.none.fl_str_mv Valdez, Alejandra Leonor
Viñarta, Silvana Carolina
Castellanos, Lucia Ines
Fariña, Julia Ines
author Valdez, Alejandra Leonor
author_facet Valdez, Alejandra Leonor
Viñarta, Silvana Carolina
Castellanos, Lucia Ines
Fariña, Julia Ines
author_role author
author2 Viñarta, Silvana Carolina
Castellanos, Lucia Ines
Fariña, Julia Ines
author2_role author
author
author
dc.subject.none.fl_str_mv Scleroglucan production
Complex carbon source
Oxalic acid
topic Scleroglucan production
Complex carbon source
Oxalic acid
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.9
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv Scleroglucan is a β-D-(1,3)-(1,6)-glucan produced by Sclerotium rolfsii ATCC 201126. This neutral water-soluble exopolysaccharide (EPS) was produced by submerged culture in MP20 liquid medium (sucrose: 20 g/L; initial pH: 4.5). The influence of 9 different simple and complex carbon sources on scleroglucan, biomass and oxalic acid production was evaluated. Batch fermentation processes were carried out in Erlenmeyer flasks at 30ºC and 250 rpm during 72 h. Higher EPS production (7 g/L) was obtained with sucrose and maltose as C-source. Biomass was significantly increased with maltose (~9 g/L) and soluble starch (9.6 g/L). Variable concentrations of oxalic acid were observed depending on the C-source used. The possibility to select appropriated culture conditions for S. rolfsii ATCC 201126 according to the product of interest was demonstrated. Additionally, biomass and EPS production obtained with molasses as C-source would allow to propose the use of low-cost substrates for the production of high-added value metabolites.
Fil: Valdez, Alejandra Leonor. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina
Fil: Viñarta, Silvana Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina
Fil: Castellanos, Lucia Ines. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina
Fil: Fariña, Julia Ines. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina
XLVII Reunión Anual de la Sociedad Argentina de Investigación en Bioquímica y Biología Molecular
Potrero de los Funes
Argentina
Sociedad Argentina de Investigación en Bioquímica y Biología Molecular
description Scleroglucan is a β-D-(1,3)-(1,6)-glucan produced by Sclerotium rolfsii ATCC 201126. This neutral water-soluble exopolysaccharide (EPS) was produced by submerged culture in MP20 liquid medium (sucrose: 20 g/L; initial pH: 4.5). The influence of 9 different simple and complex carbon sources on scleroglucan, biomass and oxalic acid production was evaluated. Batch fermentation processes were carried out in Erlenmeyer flasks at 30ºC and 250 rpm during 72 h. Higher EPS production (7 g/L) was obtained with sucrose and maltose as C-source. Biomass was significantly increased with maltose (~9 g/L) and soluble starch (9.6 g/L). Variable concentrations of oxalic acid were observed depending on the C-source used. The possibility to select appropriated culture conditions for S. rolfsii ATCC 201126 according to the product of interest was demonstrated. Additionally, biomass and EPS production obtained with molasses as C-source would allow to propose the use of low-cost substrates for the production of high-added value metabolites.
publishDate 2011
dc.date.none.fl_str_mv 2011
dc.type.none.fl_str_mv info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/conferenceObject
Reunión
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/11336/213133
Scleroglucan production by Sclerotium rolfsii ATCC 201126: Influence of the carbon source; XLVII Reunión Anual de la Sociedad Argentina de Investigación en Bioquímica y Biología Molecular; Potrero de los Funes; Argentina; 2011; 93-93
0327-9545
CONICET Digital
CONICET
url http://hdl.handle.net/11336/213133
identifier_str_mv Scleroglucan production by Sclerotium rolfsii ATCC 201126: Influence of the carbon source; XLVII Reunión Anual de la Sociedad Argentina de Investigación en Bioquímica y Biología Molecular; Potrero de los Funes; Argentina; 2011; 93-93
0327-9545
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-35.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/
dc.format.none.fl_str_mv 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
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
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