Transcriptional profile analysis of young and mature leaves of citrus trees acclimated to salinity

Transcriptional profile analysis of young and mature leaves of citrus trees acclimated to salinity

11 páginas.-- 3 figuras.-- 2 tablas.-- 32 referencias.-- Artículo publicado en XII International Citrus Congress - International Society of Citriculture

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Main Authors: Pérez-Pérez, J. G., Gómez-Gómez, Antonio G., Botía, Pablo, Brumós Fuentes, Javier, Talón Cubillo, Manuel, Colmenero Flores, José M.
Format: artículo biblioteca
Language:English
Published: International Society for Horticultural Science
Subjects:Citrus, Salinity, Chloride, Gene expression, Functional genomics, Leaves, Metabolism, Salt stress,
Online Access:http://hdl.handle.net/10261/132105
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spelling dig-irnas-es-10261-1321052018-09-10T11:03:04Z Transcriptional profile analysis of young and mature leaves of citrus trees acclimated to salinity Pérez-Pérez, J. G. Gómez-Gómez, Antonio G. Botía, Pablo Brumós Fuentes, Javier Talón Cubillo, Manuel Colmenero Flores, José M. Citrus Salinity Chloride Gene expression Functional genomics Leaves Metabolism Salt stress 11 páginas.-- 3 figuras.-- 2 tablas.-- 32 referencias.-- Artículo publicado en XII International Citrus Congress - International Society of Citriculture While the molecular response of model plants to salt stress in the short-medium term (hours-days) has been broadly studied, the knowledge about the nature of genes involved in maintaining homeostatic conditions in the long term (months-years) in woody perennial trees has not been addressed yet. We have analyzed physiological parameters and the transcriptome profiles of photosynthetically active leaves from citrus trees acclimatized to moderate salinity (NaCl 30 mM) after 2 years treatment. Through functional genomics, global gene expression in response to NaCl treatment in mature (8 months-old) and young (2 months-old) leaves has been analyzed and compared. Although young leaves (YL) accumulated low levels of chloride (0.51%±0.06), they exhibited a much stronger response to salinity in term of the number of differentially expressed genes (1,211 genes) compared with mature leaves (ML), which accumulated higher chloride levels (1.05%±0.01), and exhibited a much lower number of differentially-responsive genes (100 genes). In this work, a number of responses have been observed that differ from those described in previous studies of citrus plants non-acclimatized to salt stress (Brumos et al., 2009), whose principal manifestation was the lack of repression of primary metabolism in leaves at the molecular and physiological levels. Results describing enriched functional categories of differentially expressed genes are presented and discussed highlighting how the long-term acclimation to NaCl stress involves drastically different molecular strategies depending on the developmental stage of plant leaves. This work was partially supported by the Spanish Ministry of Science and Innovation projects AGL2007-6537-C04-04 and PS-060000-2009-7, and the European Social and FEDER Funds for financial support. Juan G. Pérez-Pérez acknowledges the ‘Instituto Nacional de Investigaciones Agrarias’ for a PhD fellowship to support his research. Peer reviewed 2015 artículo http://purl.org/coar/resource_type/c_6501 Acta Horticulturae 1065: 1359-1370 (2015) 0567-7572 http://hdl.handle.net/10261/132105 10.17660/ActaHortic.2015.1065.172 en http://dx.doi.org/10.17660/ActaHortic.2015.1065.172 Sí none International Society for Horticultural Science
institution IRNAS ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-irnas-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del IRNAS España
language English
topic Citrus
Salinity
Chloride
Gene expression
Functional genomics
Leaves
Metabolism
Salt stress
Citrus
Salinity
Chloride
Gene expression
Functional genomics
Leaves
Metabolism
Salt stress
spellingShingle Citrus
Salinity
Chloride
Gene expression
Functional genomics
Leaves
Metabolism
Salt stress
Citrus
Salinity
Chloride
Gene expression
Functional genomics
Leaves
Metabolism
Salt stress
Pérez-Pérez, J. G.
Gómez-Gómez, Antonio G.
Botía, Pablo
Brumós Fuentes, Javier
Talón Cubillo, Manuel
Colmenero Flores, José M.
Transcriptional profile analysis of young and mature leaves of citrus trees acclimated to salinity
description 11 páginas.-- 3 figuras.-- 2 tablas.-- 32 referencias.-- Artículo publicado en XII International Citrus Congress - International Society of Citriculture
format artículo
topic_facet Citrus
Salinity
Chloride
Gene expression
Functional genomics
Leaves
Metabolism
Salt stress
author Pérez-Pérez, J. G.
Gómez-Gómez, Antonio G.
Botía, Pablo
Brumós Fuentes, Javier
Talón Cubillo, Manuel
Colmenero Flores, José M.
author_facet Pérez-Pérez, J. G.
Gómez-Gómez, Antonio G.
Botía, Pablo
Brumós Fuentes, Javier
Talón Cubillo, Manuel
Colmenero Flores, José M.
author_sort Pérez-Pérez, J. G.
title Transcriptional profile analysis of young and mature leaves of citrus trees acclimated to salinity
title_short Transcriptional profile analysis of young and mature leaves of citrus trees acclimated to salinity
title_full Transcriptional profile analysis of young and mature leaves of citrus trees acclimated to salinity
title_fullStr Transcriptional profile analysis of young and mature leaves of citrus trees acclimated to salinity
title_full_unstemmed Transcriptional profile analysis of young and mature leaves of citrus trees acclimated to salinity
title_sort transcriptional profile analysis of young and mature leaves of citrus trees acclimated to salinity
publisher International Society for Horticultural Science
url http://hdl.handle.net/10261/132105
work_keys_str_mv AT perezperezjg transcriptionalprofileanalysisofyoungandmatureleavesofcitrustreesacclimatedtosalinity
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AT brumosfuentesjavier transcriptionalprofileanalysisofyoungandmatureleavesofcitrustreesacclimatedtosalinity
AT taloncubillomanuel transcriptionalprofileanalysisofyoungandmatureleavesofcitrustreesacclimatedtosalinity
AT colmenerofloresjosem transcriptionalprofileanalysisofyoungandmatureleavesofcitrustreesacclimatedtosalinity
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