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Identification and Expression of Nine Oak Aquaporin Genes in the Primary Root Axis of Two Oak Species, Quercus petraea and Quercus robur

hal.structure.identifierLaboratoire Chrono-environnement (UMR 6249) [LCE]
dc.contributor.authorRASHEED-DEPARDIEU, Claire
hal.structure.identifierLaboratoire Chrono-environnement (UMR 6249) [LCE]
dc.contributor.authorPARENT, Claire
hal.structure.identifierDépartement de Botanique et Biologie Végétale
dc.contributor.authorCRÈVECOEUR, Michèle
hal.structure.identifierLaboratoire Chrono-environnement (UMR 6249) [LCE]
dc.contributor.authorPARELLE, Julien
hal.structure.identifierLaboratoire Chrono-environnement (UMR 6249) [LCE]
dc.contributor.authorTATIN-FROUX, Fabienne
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorLE PROVOST, Grégoire
hal.structure.identifierLaboratoire Chrono-environnement (UMR 6249) [LCE]
dc.contributor.authorCAPELLI, Nicolas
dc.date.created2012
dc.date.issued2012-12
dc.identifier.issn1932-6203
dc.description.abstractEnAquaporins (AQPs) belong to the Major Intrinsic Protein family that conducts water and other small solutes across biological membranes. This study aimed to identify and characterize AQP genes in the primary root axis of two oak species, Quercus petraea and Quercus robur. Nine putative AQP genes were cloned, and their expression was profiled in different developmental root zones by real-time PCR. A detailed examination of the predicted amino acid sequences and subsequent phylogenetic analysis showed that the isolated AQPs could be divided into two subfamilies, which included six plasma membrane intrinsic proteins (PIPs) and three tonoplast intrinsic proteins (TIPs). We characterized the anatomical features of the roots and defined three developmental root zones: the immature, transition and mature zones. Expression analysis of the AQPs was performed according to these root developmental stages. Our results showed that the expression of PIP2;3 and TIP1 was significantly higher in Quercus petraea compared with Quercus robur in the three root zones. However, PIP2;1 and TIP2;1 were found to be differentially expressed in the mature zone of the two oak species. Of the nine AQP genes identified and analyzed, we highlighted four genes that might facilitate a deeper understanding of how these two closely related tree species adapted to different environments.
dc.language.isoen
dc.publisherPublic Library of Science
dc.title.enIdentification and Expression of Nine Oak Aquaporin Genes in the Primary Root Axis of Two Oak Species, Quercus petraea and Quercus robur
dc.typeArticle de revue
dc.identifier.doi10.1371/journal.pone.0051838
dc.subject.halSciences de l'environnement/Milieux et Changements globaux
bordeaux.journalPLoS ONE
bordeaux.page11
bordeaux.volume7
bordeaux.issue12
bordeaux.peerReviewedoui
hal.identifierhal-00794717
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00794717v1
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