Water soluble carbohydrate profiling in oat (Avena sativa) point to fructans and raffinose family as key metabolites for drought tolerance

Water soluble carbohydrate profiling in oat (Avena sativa) point to fructans and raffinose family as key metabolites for drought tolerance

Trabajo presentado en la 2nd General Meeting of COST FA1306 (The quest for tolerant varieties - Phenotyping at plant and cellular level. PhenomenALL), celebrada en Copenhagen del 18 al 20 de abril de 2016.

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Main Authors: Sánchez-Martín, Javier, Sanz, M. Luz, Rubiales, Diego, Prats, Elena
Format: póster de congreso biblioteca
Language:English
Published: 2016-04
Online Access:http://hdl.handle.net/10261/160120
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spelling dig-ias-es-10261-1601202019-11-29T07:33:41Z Water soluble carbohydrate profiling in oat (Avena sativa) point to fructans and raffinose family as key metabolites for drought tolerance Sánchez-Martín, Javier Sanz, M. Luz Rubiales, Diego Prats, Elena Trabajo presentado en la 2nd General Meeting of COST FA1306 (The quest for tolerant varieties - Phenotyping at plant and cellular level. PhenomenALL), celebrada en Copenhagen del 18 al 20 de abril de 2016. Carbohydrates are of essential importance in plant energy metabolism as well as structural polymers. Furthermore, recently they have been also proposed to play an important role in tolerance to biotic and abiotic stresses. In a previous metabolomic work (Sánchez-Martín et al. 2015), we observed an overall differential response in several carbohydrate and energy metabolism pathways between drought tolerant and susceptible oat genotypes. In the present work, during a time course of increasing water deficit, carbohydrates from leaf samples were profiled using gas chromatography-mass spectrometry (GC-MS). Carbohydrate profiles of the tolerant genotype highlighted higher accumulation of monosaccharides (fructose and glucose) and also oligosaccharides (fructans and raffinose), compared with the susceptible genotype following water deficit. No differences were found for mannitol or trehalose, sugars previously reported to have a putative role during stress responses. Both, fructans and raffinose family, contrary to starch, are osmotically flexible as their polymerization degree may easily be changed. This may facilitate lowering osmotic potential, contribute to water inflow and help to stabilize cell membranes. Further work to test this hypothesis in oat is in progress. No 2018-02-05T10:00:19Z 2018-02-05T10:00:19Z 2016-04 póster de congreso http://purl.org/coar/resource_type/c_6670 2nd General Meeting of COST FA1306 (2016) http://hdl.handle.net/10261/160120 en Sí none
institution IAS ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-ias-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del IAS España
language English
description Trabajo presentado en la 2nd General Meeting of COST FA1306 (The quest for tolerant varieties - Phenotyping at plant and cellular level. PhenomenALL), celebrada en Copenhagen del 18 al 20 de abril de 2016.
format póster de congreso
author Sánchez-Martín, Javier
Sanz, M. Luz
Rubiales, Diego
Prats, Elena
spellingShingle Sánchez-Martín, Javier
Sanz, M. Luz
Rubiales, Diego
Prats, Elena
Water soluble carbohydrate profiling in oat (Avena sativa) point to fructans and raffinose family as key metabolites for drought tolerance
author_facet Sánchez-Martín, Javier
Sanz, M. Luz
Rubiales, Diego
Prats, Elena
author_sort Sánchez-Martín, Javier
title Water soluble carbohydrate profiling in oat (Avena sativa) point to fructans and raffinose family as key metabolites for drought tolerance
title_short Water soluble carbohydrate profiling in oat (Avena sativa) point to fructans and raffinose family as key metabolites for drought tolerance
title_full Water soluble carbohydrate profiling in oat (Avena sativa) point to fructans and raffinose family as key metabolites for drought tolerance
title_fullStr Water soluble carbohydrate profiling in oat (Avena sativa) point to fructans and raffinose family as key metabolites for drought tolerance
title_full_unstemmed Water soluble carbohydrate profiling in oat (Avena sativa) point to fructans and raffinose family as key metabolites for drought tolerance
title_sort water soluble carbohydrate profiling in oat (avena sativa) point to fructans and raffinose family as key metabolites for drought tolerance
publishDate 2016-04
url http://hdl.handle.net/10261/160120
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AT sanzmluz watersolublecarbohydrateprofilinginoatavenasativapointtofructansandraffinosefamilyaskeymetabolitesfordroughttolerance
AT rubialesdiego watersolublecarbohydrateprofilinginoatavenasativapointtofructansandraffinosefamilyaskeymetabolitesfordroughttolerance
AT pratselena watersolublecarbohydrateprofilinginoatavenasativapointtofructansandraffinosefamilyaskeymetabolitesfordroughttolerance
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