Changes in soluble carbohydrates and related enzymes induced by low temperature during early developmental stages of quinoa () seedlings
- Autores
- Rosa, Mariana Daniela; Hilal, Mirna Beatriz; González, Juan Antonio; Prado, Fernando Eduardo
- Año de publicación
- 2004
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Low temperature represents one of the principal limitations in species distribution and crop productivity. Responses to chilling include the accumulation of simple carbohydrates and changes in enzymes involved in their metabolism. Soluble carbohydrate levels and invertase, sucrose synthase (SS), sucrose-6-phosphate synthase (SPS) and á-amylase activities were analysed in cotyledons and embryonic axes of quinoa seedlings grown at 5 °C and 25 °C in the dark. Significant differences in enzyme activities and carbohydrate levels were observed. Sucrose content in cotyledons was found to be similar in both treatments, while in embryonic axes there were differences. Invertase activity was the most sensitive to temperature in both organs; however, SS and SPS activities appear to be less stress-sensitive. Results suggest that 1) metabolism in germinating perispermic seeds would be different from endospermic seeds, 2) sucrose futile cycles would be operating in cotyledons, but not in embryonic axes of quinoa seedlings under our experimental conditions, 3) low temperature might induce different regulatory mechanisms on invertase, SS and SPS enzymes in both cotyledons and embryonic axes of quinoa seedlings, and 4) low temperature rather than water uptake would be mainly responsible for the changes observed in carbohydrate and related enzyme activities.
Fil: Rosa, Mariana Daniela. Universidad Nacional de Tucumán. Instituto de Bioprospección y Fisiología Vegetal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet Noa Sur. Instituto de Bioprospección y Fisiología Vegetal; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo. Cátedra de Fisiología Vegetal; Argentina
Fil: Hilal, Mirna Beatriz. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo. Cátedra de Fisiología Vegetal; Argentina
Fil: González, Juan Antonio. Fundación Miguel Lillo. Dirección de Botánica. Instituto de Ecología Vegetal; Argentina
Fil: Prado, Fernando Eduardo. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán; Argentina - Materia
-
SS
SPS
UDP
UDPGGLU - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/111129
Ver los metadatos del registro completo
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Changes in soluble carbohydrates and related enzymes induced by low temperature during early developmental stages of quinoa () seedlingsRosa, Mariana DanielaHilal, Mirna BeatrizGonzález, Juan AntonioPrado, Fernando EduardoSSSPSUDPUDPGGLUhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Low temperature represents one of the principal limitations in species distribution and crop productivity. Responses to chilling include the accumulation of simple carbohydrates and changes in enzymes involved in their metabolism. Soluble carbohydrate levels and invertase, sucrose synthase (SS), sucrose-6-phosphate synthase (SPS) and á-amylase activities were analysed in cotyledons and embryonic axes of quinoa seedlings grown at 5 °C and 25 °C in the dark. Significant differences in enzyme activities and carbohydrate levels were observed. Sucrose content in cotyledons was found to be similar in both treatments, while in embryonic axes there were differences. Invertase activity was the most sensitive to temperature in both organs; however, SS and SPS activities appear to be less stress-sensitive. Results suggest that 1) metabolism in germinating perispermic seeds would be different from endospermic seeds, 2) sucrose futile cycles would be operating in cotyledons, but not in embryonic axes of quinoa seedlings under our experimental conditions, 3) low temperature might induce different regulatory mechanisms on invertase, SS and SPS enzymes in both cotyledons and embryonic axes of quinoa seedlings, and 4) low temperature rather than water uptake would be mainly responsible for the changes observed in carbohydrate and related enzyme activities.Fil: Rosa, Mariana Daniela. Universidad Nacional de Tucumán. Instituto de Bioprospección y Fisiología Vegetal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet Noa Sur. Instituto de Bioprospección y Fisiología Vegetal; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo. Cátedra de Fisiología Vegetal; ArgentinaFil: Hilal, Mirna Beatriz. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo. Cátedra de Fisiología Vegetal; ArgentinaFil: González, Juan Antonio. Fundación Miguel Lillo. Dirección de Botánica. Instituto de Ecología Vegetal; ArgentinaFil: Prado, Fernando Eduardo. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán; ArgentinaElsevier Gmbh2004-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/111129Rosa, Mariana Daniela; Hilal, Mirna Beatriz; González, Juan Antonio; Prado, Fernando Eduardo; Changes in soluble carbohydrates and related enzymes induced by low temperature during early developmental stages of quinoa () seedlings; Elsevier Gmbh; Journal of Plant Physiology; 161; 6; 2-2004; 683-6890176-1617CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S017616170470632Xinfo:eu-repo/semantics/altIdentifier/doi/10.1078/0176-1617-01257info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:36:27Zoai:ri.conicet.gov.ar:11336/111129instacron: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 10:36:27.647CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Changes in soluble carbohydrates and related enzymes induced by low temperature during early developmental stages of quinoa () seedlings |
title |
Changes in soluble carbohydrates and related enzymes induced by low temperature during early developmental stages of quinoa () seedlings |
spellingShingle |
Changes in soluble carbohydrates and related enzymes induced by low temperature during early developmental stages of quinoa () seedlings Rosa, Mariana Daniela SS SPS UDP UDPGGLU |
title_short |
Changes in soluble carbohydrates and related enzymes induced by low temperature during early developmental stages of quinoa () seedlings |
title_full |
Changes in soluble carbohydrates and related enzymes induced by low temperature during early developmental stages of quinoa () seedlings |
title_fullStr |
Changes in soluble carbohydrates and related enzymes induced by low temperature during early developmental stages of quinoa () seedlings |
title_full_unstemmed |
Changes in soluble carbohydrates and related enzymes induced by low temperature during early developmental stages of quinoa () seedlings |
title_sort |
Changes in soluble carbohydrates and related enzymes induced by low temperature during early developmental stages of quinoa () seedlings |
dc.creator.none.fl_str_mv |
Rosa, Mariana Daniela Hilal, Mirna Beatriz González, Juan Antonio Prado, Fernando Eduardo |
author |
Rosa, Mariana Daniela |
author_facet |
Rosa, Mariana Daniela Hilal, Mirna Beatriz González, Juan Antonio Prado, Fernando Eduardo |
author_role |
author |
author2 |
Hilal, Mirna Beatriz González, Juan Antonio Prado, Fernando Eduardo |
author2_role |
author author author |
dc.subject.none.fl_str_mv |
SS SPS UDP UDPGGLU |
topic |
SS SPS UDP UDPGGLU |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Low temperature represents one of the principal limitations in species distribution and crop productivity. Responses to chilling include the accumulation of simple carbohydrates and changes in enzymes involved in their metabolism. Soluble carbohydrate levels and invertase, sucrose synthase (SS), sucrose-6-phosphate synthase (SPS) and á-amylase activities were analysed in cotyledons and embryonic axes of quinoa seedlings grown at 5 °C and 25 °C in the dark. Significant differences in enzyme activities and carbohydrate levels were observed. Sucrose content in cotyledons was found to be similar in both treatments, while in embryonic axes there were differences. Invertase activity was the most sensitive to temperature in both organs; however, SS and SPS activities appear to be less stress-sensitive. Results suggest that 1) metabolism in germinating perispermic seeds would be different from endospermic seeds, 2) sucrose futile cycles would be operating in cotyledons, but not in embryonic axes of quinoa seedlings under our experimental conditions, 3) low temperature might induce different regulatory mechanisms on invertase, SS and SPS enzymes in both cotyledons and embryonic axes of quinoa seedlings, and 4) low temperature rather than water uptake would be mainly responsible for the changes observed in carbohydrate and related enzyme activities. Fil: Rosa, Mariana Daniela. Universidad Nacional de Tucumán. Instituto de Bioprospección y Fisiología Vegetal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet Noa Sur. Instituto de Bioprospección y Fisiología Vegetal; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo. Cátedra de Fisiología Vegetal; Argentina Fil: Hilal, Mirna Beatriz. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo. Cátedra de Fisiología Vegetal; Argentina Fil: González, Juan Antonio. Fundación Miguel Lillo. Dirección de Botánica. Instituto de Ecología Vegetal; Argentina Fil: Prado, Fernando Eduardo. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán; Argentina |
description |
Low temperature represents one of the principal limitations in species distribution and crop productivity. Responses to chilling include the accumulation of simple carbohydrates and changes in enzymes involved in their metabolism. Soluble carbohydrate levels and invertase, sucrose synthase (SS), sucrose-6-phosphate synthase (SPS) and á-amylase activities were analysed in cotyledons and embryonic axes of quinoa seedlings grown at 5 °C and 25 °C in the dark. Significant differences in enzyme activities and carbohydrate levels were observed. Sucrose content in cotyledons was found to be similar in both treatments, while in embryonic axes there were differences. Invertase activity was the most sensitive to temperature in both organs; however, SS and SPS activities appear to be less stress-sensitive. Results suggest that 1) metabolism in germinating perispermic seeds would be different from endospermic seeds, 2) sucrose futile cycles would be operating in cotyledons, but not in embryonic axes of quinoa seedlings under our experimental conditions, 3) low temperature might induce different regulatory mechanisms on invertase, SS and SPS enzymes in both cotyledons and embryonic axes of quinoa seedlings, and 4) low temperature rather than water uptake would be mainly responsible for the changes observed in carbohydrate and related enzyme activities. |
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/11336/111129 Rosa, Mariana Daniela; Hilal, Mirna Beatriz; González, Juan Antonio; Prado, Fernando Eduardo; Changes in soluble carbohydrates and related enzymes induced by low temperature during early developmental stages of quinoa () seedlings; Elsevier Gmbh; Journal of Plant Physiology; 161; 6; 2-2004; 683-689 0176-1617 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/111129 |
identifier_str_mv |
Rosa, Mariana Daniela; Hilal, Mirna Beatriz; González, Juan Antonio; Prado, Fernando Eduardo; Changes in soluble carbohydrates and related enzymes induced by low temperature during early developmental stages of quinoa () seedlings; Elsevier Gmbh; Journal of Plant Physiology; 161; 6; 2-2004; 683-689 0176-1617 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://www.sciencedirect.com/science/article/pii/S017616170470632X info:eu-repo/semantics/altIdentifier/doi/10.1078/0176-1617-01257 |
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 application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier Gmbh |
publisher.none.fl_str_mv |
Elsevier Gmbh |
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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1844614385224384512 |
score |
13.070432 |