Structure of highly substituted agarans from the red seaweeds Laurencia obtusa and Laurencia filiformis

Autores
Canelon Gonzalez, Dilsia Josefina; Ciancia, Marina; Suárez Hernández, Alírica Isabel; Compagnone, Reinaldo S.; Matulewicz, Maria Cristina
Año de publicación
2014
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The water extracts from red seaweeds Laurencia obtusa and Laurencia filiformis comprise complex sulfated agarans. Those from L. obtusa have 3-linked β-d-galactose units in part sulfated on 2-position or methylated on 6-position, while the 4-linked units are mostly 3,6-anhydro-α-l-galactose and α-l-galactose 6-sulfate, some of the latter units are substituted with β-d-xylose on 3-position, precluding alkaline cyclization. The 3-linked β-d-galactose units of the agarans from L. filiformis are mostly sulfated on 2-position, but approximately half of these residues also carry the 4,6-O-(1-carboxyethylidene) group. The 4-linked 3,6-anhydro-α-l-galactose units are methylated or substituted in part with single stubs of β-d-xylose on 2-position. This is the first time that substitution with xylose of 3,6-anhydro-α-l-galactose is reported. Besides, α-l-galactose 2-sulfate carrying single stubs of β-d-xylose on 3-position was also detected. These galactans have some common structural characteristics with those of other species of this genus, but also others that are specific for these species.
Fil: Canelon Gonzalez, Dilsia Josefina. Universidad Central de Venezuela; Venezuela
Fil: Ciancia, Marina. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Biología Aplicada y Alimentos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones en Hidratos de Carbono. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones en Hidratos de Carbono; Argentina
Fil: Suárez Hernández, Alírica Isabel. Universidad Central de Venezuela; Venezuela
Fil: Compagnone, Reinaldo S.. Universidad Central de Venezuela; Venezuela
Fil: Matulewicz, Maria Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones en Hidratos de Carbono. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones en Hidratos de Carbono; Argentina
Materia
AGARAN
GALACTAN STRUCTURE
LAURENCIA
RED SEAWEED POLYSACCHARIDE
SULFATED POLYSACCHARIDE
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/85270
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/85270
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Structure of highly substituted agarans from the red seaweeds Laurencia obtusa and Laurencia filiformisCanelon Gonzalez, Dilsia JosefinaCiancia, MarinaSuárez Hernández, Alírica IsabelCompagnone, Reinaldo S.Matulewicz, Maria CristinaAGARANGALACTAN STRUCTURELAURENCIARED SEAWEED POLYSACCHARIDESULFATED POLYSACCHARIDEhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1The water extracts from red seaweeds Laurencia obtusa and Laurencia filiformis comprise complex sulfated agarans. Those from L. obtusa have 3-linked β-d-galactose units in part sulfated on 2-position or methylated on 6-position, while the 4-linked units are mostly 3,6-anhydro-α-l-galactose and α-l-galactose 6-sulfate, some of the latter units are substituted with β-d-xylose on 3-position, precluding alkaline cyclization. The 3-linked β-d-galactose units of the agarans from L. filiformis are mostly sulfated on 2-position, but approximately half of these residues also carry the 4,6-O-(1-carboxyethylidene) group. The 4-linked 3,6-anhydro-α-l-galactose units are methylated or substituted in part with single stubs of β-d-xylose on 2-position. This is the first time that substitution with xylose of 3,6-anhydro-α-l-galactose is reported. Besides, α-l-galactose 2-sulfate carrying single stubs of β-d-xylose on 3-position was also detected. These galactans have some common structural characteristics with those of other species of this genus, but also others that are specific for these species.Fil: Canelon Gonzalez, Dilsia Josefina. Universidad Central de Venezuela; VenezuelaFil: Ciancia, Marina. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Biología Aplicada y Alimentos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones en Hidratos de Carbono. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones en Hidratos de Carbono; ArgentinaFil: Suárez Hernández, Alírica Isabel. Universidad Central de Venezuela; VenezuelaFil: Compagnone, Reinaldo S.. Universidad Central de Venezuela; VenezuelaFil: Matulewicz, Maria Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones en Hidratos de Carbono. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones en Hidratos de Carbono; ArgentinaElsevier2014-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/85270Canelon Gonzalez, Dilsia Josefina; Ciancia, Marina; Suárez Hernández, Alírica Isabel; Compagnone, Reinaldo S.; Matulewicz, Maria Cristina; Structure of highly substituted agarans from the red seaweeds Laurencia obtusa and Laurencia filiformis; Elsevier; Carbohydrate Polymers; 101; 1; 1-2014; 705-7130144-8617CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.carbpol.2013.09.089info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0144861713009909info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:51:46Zoai:ri.conicet.gov.ar:11336/85270instacron: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:34982025-09-03 09:51:46.64CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Structure of highly substituted agarans from the red seaweeds Laurencia obtusa and Laurencia filiformis
title Structure of highly substituted agarans from the red seaweeds Laurencia obtusa and Laurencia filiformis
spellingShingle Structure of highly substituted agarans from the red seaweeds Laurencia obtusa and Laurencia filiformis
Canelon Gonzalez, Dilsia Josefina
AGARAN
GALACTAN STRUCTURE
LAURENCIA
RED SEAWEED POLYSACCHARIDE
SULFATED POLYSACCHARIDE
title_short Structure of highly substituted agarans from the red seaweeds Laurencia obtusa and Laurencia filiformis
title_full Structure of highly substituted agarans from the red seaweeds Laurencia obtusa and Laurencia filiformis
title_fullStr Structure of highly substituted agarans from the red seaweeds Laurencia obtusa and Laurencia filiformis
title_full_unstemmed Structure of highly substituted agarans from the red seaweeds Laurencia obtusa and Laurencia filiformis
title_sort Structure of highly substituted agarans from the red seaweeds Laurencia obtusa and Laurencia filiformis
dc.creator.none.fl_str_mv Canelon Gonzalez, Dilsia Josefina
Ciancia, Marina
Suárez Hernández, Alírica Isabel
Compagnone, Reinaldo S.
Matulewicz, Maria Cristina
author Canelon Gonzalez, Dilsia Josefina
author_facet Canelon Gonzalez, Dilsia Josefina
Ciancia, Marina
Suárez Hernández, Alírica Isabel
Compagnone, Reinaldo S.
Matulewicz, Maria Cristina
author_role author
author2 Ciancia, Marina
Suárez Hernández, Alírica Isabel
Compagnone, Reinaldo S.
Matulewicz, Maria Cristina
author2_role author
author
author
author
dc.subject.none.fl_str_mv AGARAN
GALACTAN STRUCTURE
LAURENCIA
RED SEAWEED POLYSACCHARIDE
SULFATED POLYSACCHARIDE
topic AGARAN
GALACTAN STRUCTURE
LAURENCIA
RED SEAWEED POLYSACCHARIDE
SULFATED POLYSACCHARIDE
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The water extracts from red seaweeds Laurencia obtusa and Laurencia filiformis comprise complex sulfated agarans. Those from L. obtusa have 3-linked β-d-galactose units in part sulfated on 2-position or methylated on 6-position, while the 4-linked units are mostly 3,6-anhydro-α-l-galactose and α-l-galactose 6-sulfate, some of the latter units are substituted with β-d-xylose on 3-position, precluding alkaline cyclization. The 3-linked β-d-galactose units of the agarans from L. filiformis are mostly sulfated on 2-position, but approximately half of these residues also carry the 4,6-O-(1-carboxyethylidene) group. The 4-linked 3,6-anhydro-α-l-galactose units are methylated or substituted in part with single stubs of β-d-xylose on 2-position. This is the first time that substitution with xylose of 3,6-anhydro-α-l-galactose is reported. Besides, α-l-galactose 2-sulfate carrying single stubs of β-d-xylose on 3-position was also detected. These galactans have some common structural characteristics with those of other species of this genus, but also others that are specific for these species.
Fil: Canelon Gonzalez, Dilsia Josefina. Universidad Central de Venezuela; Venezuela
Fil: Ciancia, Marina. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Biología Aplicada y Alimentos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones en Hidratos de Carbono. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones en Hidratos de Carbono; Argentina
Fil: Suárez Hernández, Alírica Isabel. Universidad Central de Venezuela; Venezuela
Fil: Compagnone, Reinaldo S.. Universidad Central de Venezuela; Venezuela
Fil: Matulewicz, Maria Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones en Hidratos de Carbono. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones en Hidratos de Carbono; Argentina
description The water extracts from red seaweeds Laurencia obtusa and Laurencia filiformis comprise complex sulfated agarans. Those from L. obtusa have 3-linked β-d-galactose units in part sulfated on 2-position or methylated on 6-position, while the 4-linked units are mostly 3,6-anhydro-α-l-galactose and α-l-galactose 6-sulfate, some of the latter units are substituted with β-d-xylose on 3-position, precluding alkaline cyclization. The 3-linked β-d-galactose units of the agarans from L. filiformis are mostly sulfated on 2-position, but approximately half of these residues also carry the 4,6-O-(1-carboxyethylidene) group. The 4-linked 3,6-anhydro-α-l-galactose units are methylated or substituted in part with single stubs of β-d-xylose on 2-position. This is the first time that substitution with xylose of 3,6-anhydro-α-l-galactose is reported. Besides, α-l-galactose 2-sulfate carrying single stubs of β-d-xylose on 3-position was also detected. These galactans have some common structural characteristics with those of other species of this genus, but also others that are specific for these species.
publishDate 2014
dc.date.none.fl_str_mv 2014-01
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/11336/85270
Canelon Gonzalez, Dilsia Josefina; Ciancia, Marina; Suárez Hernández, Alírica Isabel; Compagnone, Reinaldo S.; Matulewicz, Maria Cristina; Structure of highly substituted agarans from the red seaweeds Laurencia obtusa and Laurencia filiformis; Elsevier; Carbohydrate Polymers; 101; 1; 1-2014; 705-713
0144-8617
CONICET Digital
CONICET
url http://hdl.handle.net/11336/85270
identifier_str_mv Canelon Gonzalez, Dilsia Josefina; Ciancia, Marina; Suárez Hernández, Alírica Isabel; Compagnone, Reinaldo S.; Matulewicz, Maria Cristina; Structure of highly substituted agarans from the red seaweeds Laurencia obtusa and Laurencia filiformis; Elsevier; Carbohydrate Polymers; 101; 1; 1-2014; 705-713
0144-8617
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.carbpol.2013.09.089
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0144861713009909
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
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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score 13.13397

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