Analysis of VvMybA1 and VvMybA2 genes in grape bud sports

Authors

  • A. Kerekes Institute of Genetics and Biotechnology, Szent István University, Gödöllő, Hungary
  • G. De Lorenzis Department of Agricultural and Environmental Sciences, University of Milan, Milano, Italy
  • A. Szőke Institute of Genetics and Biotechnology, Szent István University, Gödöllő, Hungary
  • E. Kiss Institute of Genetics and Biotechnology, Szent István University Gödöllő, Páter K. u. 1. 2100, Gödöllő, Hungary
  • O. Failla Department of Agricultural and Environmental Sciences, University of Milan, Milano, Italy

DOI:

https://doi.org/10.5073/vitis.2015.54.special-issue.45-48

Keywords:

berry colour, conculta, Gret1, SNP, SNaPshot, Vitis vinifera

Abstract

Berry skin colour is a fundamental qualitative trait of grape varieties, which has become largely diversified during the centuries of viticulture. Colour mutations in grape berry, resulting in black, red, pink, grey, green and yellow fruits, were relatively frequent events. In the Carpathian Basin there are several berry colour variant groups named conculta, members of which contain bud sports differing in skin colour. In most cases, this difference cannot be detected by microsatellite analysis, therefore we examined the variations of the VvMybA1 and VvMybA2 genes related to anthocyanin biosynthesis. Based on the results of the allelic polymorphisms, we have discriminated the conculta members among the old Hungarian and several other foreign varieties. Based on our results, it was possible to find molecular differences in 10 out of 14 concultas.

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Published

2015-08-17

Issue

Vol. 54 (2015): Vitis (Special Issue)

Section

Article

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