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PrMATE1 Is Differentially Expressed in Radiata Pine Exposed to Inclination and the Deduced Protein Displays High Affinity to Proanthocyanidin Substrates by a Computational Approach

dc.contributor.authorMorales-Quintana L.
dc.contributor.authorBustos D.
dc.contributor.authorGonzález J.
dc.contributor.authorUrbina D.C.
dc.contributor.authorHerrera R.
dc.contributor.authorRamos P.
dc.date.accessioned2020-09-02T22:23:39Z
dc.date.available2020-09-02T22:23:39Z
dc.date.issued2019
dc.identifier10.1007/s00344-018-9801-3
dc.identifier.citation38, 1, 14-29
dc.identifier.issn07217595
dc.identifier.urihttps://hdl.handle.net/20.500.12728/5436
dc.descriptionThe response to inclination in plants is an attractive and extensively studied biological process. The most commonly held theory proposes a differential growth in stem tissue due to unequal auxin redistribution. Further evidence proposed that flavonoids act as molecular regulators of auxin distribution or flux. It is well known that flavonoids affect auxin distribution, but how intracellular concentration is controlled during the gravitropic response in woody species is still unknown. The MATE family has been widely studied, however the molecular basis of flavonoids transport is still poorly understood. Here, we identified and characterized a full-length cDNA from radiate pine encoding a putative MATE protein. Transcript abundance analysis showed that PrMATE1 is expressed in a spatial and temporal manner in inclined stems. Additionally, PrMATE1 fused to GFP is mainly localized in the vacuolar membrane. A 3D protein model showed 12 transmembrane helices and an open cavity. The protein–ligand interaction was evaluated; favourable binding affinity energies were obtained and suggested epicatechin 3′-O-glucoside as the best putative ligand. In silico mutagenesis analysis was used to identify five residues as important to protein–ligand interaction. The data provide a dynamic view of interaction between PrMATE1 and their putative ligands at the molecular scale. © 2018, Springer Science+Business Media, LLC, part of Springer Nature.
dc.language.isoen
dc.publisherSpringer New York LLC
dc.subjectExpression profile
dc.subjectInclination stress
dc.subjectMATE transporter
dc.subjectMolecular dynamics simulations
dc.subjectMolecular modelling
dc.subjectPinus radiata
dc.titlePrMATE1 Is Differentially Expressed in Radiata Pine Exposed to Inclination and the Deduced Protein Displays High Affinity to Proanthocyanidin Substrates by a Computational Approach
dc.typeArticle


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