Relationships among Gene Expression and Anthocyanin Composition of Malbec Grapevine Clones
Author
dc.contributor.author
Muñoz, Claudio
es_CL
Author
dc.contributor.author
Gómez Talquenca, Sebastián
Author
dc.contributor.author
Chialva, Constanza
es_CL
Author
dc.contributor.author
Ibáñez, Javier
es_CL
Author
dc.contributor.author
Martinez Zapater, José M.
es_CL
Author
dc.contributor.author
Peña Neira, Álvaro
es_CL
Author
dc.contributor.author
Lijavetzky, Diego
es_CL
Admission date
dc.date.accessioned
2014-12-22T13:27:07Z
Available date
dc.date.available
2014-12-22T13:27:07Z
Publication date
dc.date.issued
2014
Cita de ítem
dc.identifier.citation
J. Agric. Food Chem. 2014, 62, 6716−6725
en_US
Identifier
dc.identifier.other
dx.doi.org/10.1021/jf501575m
Identifier
dc.identifier.uri
https://repositorio.uchile.cl/handle/2250/120256
General note
dc.description
Artículo de publicación ISI
en_US
Abstract
dc.description.abstract
Anthocyanin profiles are commonly used for grapevine cultivar identification because it is currently accepted that
this trait is closely related to their genetic characteristics. Nevertheless, the extent of the variation for the anthocyanin profiles
among clones of the same cultivar has not yet been studied in depth. The relative concentration of anthocyanins of 131 Malbec
clones grown in the same vineyard was investigated by HPLC-DAD and the use of comprehensive statistic procedures.
Complementarily, the expression level of structural and regulatory genes was studied via real time polymerase chain reaction.
Significant variation was identified among the profiles of the clones, mainly due to variations in the amounts of malvidin
derivatives. Finally, the differential expression in F3′5′H, OMT1 and AM2 genes seems to be related to the malvidin content
variation. This work shows the existence of variation for the anthocyanin profiles among clones from the same grapevine cultivar
and the putative involvement of genes related to hydroxylation, methylation, and transport of anthocyanins on the basis of such
variation.
en_US
Patrocinador
dc.description.sponsorship
This work was funded by ANPCyT (PICT-2008-00270 and
PAE-PICT-2007-02360) and SECTyP-UNCuyo (A504A/11)
grants to D.L. and MINCyT-MICINN (Argentine−Spain)
bilateral collaboration grant to D.L. and J.M.M.-Z. (ES/09/07).
We also received partial funding from Bodegas Esmeralda S.A.