Análisis de autorías institucional
Rubio-Cabetas Mj - Autor o Coautor
Bielsa B - Autor o Coautor
Publicaciones > Artículo

Preformed and induced mechanisms underlies the differential responses of Prunus rootstock to hypoxia.

Publicado en:Journal Of Plant Physiology. 228 134-149 - 2018-09-01 228(), doi: 10.1016/j.jplph.2018.06.004

Rubio-Cabetas Mj; Bielsa B;


A12 research group from the Government of Aragon - Financiador
Agrifood Res & Technol Ctr Aragon CITA, Hortofruticulture Dept, Av Montanana 930, Zaragoza 50059, Spain - Autor o Coautor
Centro de Investigación y Tecnología Agroalimentaria de Aragón - Entidad de origen
Department of Fruit Quality and Biotechnology, Instituto de Biología Molecular y Celular de Plantas (UPV-CSIC), Ingeniero Fausto Elio, s/n 46022 Valencia, Spain. - Autor o Coautor
Department of Fruit Quality and Biotechnology, Instituto de Biología Molecular y Celular de Plantas (UPV-CSIC), Ingeniero Fausto Elio, s/n 46022 Valencia, Spain. Electronic address: agranell@ibmcp.upv.es. - Autor o Coautor
European-funded COST ACTION [FA1106] - Financiador
Hortofruticulture Department, Agrifood Research and Technology Centre of Aragon (CITA), Av. Montañana 930, 50059, Zaragoza, Spain. - Autor o Coautor
Instituto Nacional de Investigacion y Tecnologia Agraria (INIA)Instituto de Investigacion Agropecuaria (INIA) [INIA-RTA-011-89-000, INIA-RTA-014-62-000] - Financiador
UPV CSIC, Inst Biol Mol & Celular Plantas, Dept Fruit Qual & Biotechnol, Ingeniero Fausto Elio S-N, Valencia 46022, Spain - Autor o Coautor
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Resúmen: Analysis of the transcriptomic changes produced in response to hypoxia in root tissues from two rootstock Prunus genotypes differing in their sensitivity to waterlogging: resistant Myrobalan 'P.2175' (P. cerasifera Erhr.), and sensitive 'Felinem' hybrid [P. amygdalus Batsch × P. persica (L.) Batsch] revealed alterations in both metabolism and regulatory processes. Early hypoxia response in both genotypes is characterized by a molecular program aimed to adapt the cell metabolism to the new conditions. Upon hypoxia conditions, tolerant Myrobalan represses first secondary metabolism gene expression as a strategy to prevent the waste of resources/energy, and by the up-regulation of protein degradation genes probably leading to structural adaptations to long-term response to hypoxia. In response to the same conditions, sensitive 'Felinem' up-regulates a core of signal transduction and transcription factor genes. A combination of PLS-DA and qRT-PCR approaches revealed a set of transcription factors and signalling molecules as differentially regulated in the sensitive and tolerant genotypes including the peach orthologs for oxygen sensors. Apart from providing insights into the molecular processes underlying the differential response to waterlogging of two Prunus rootstocks, our approach reveals a set of candidate genes to be used expression biomarkers for biotech or breeding approaches to waterlogging tolerance.Copyright © 2018 The Authors. Published by Elsevier GmbH.. All rights reserved.

Palabras clave: Flooding-tolerance; Microarray; Oxygen sensors; Pls-da; Root; Transcriptome

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