
handle: 10261/42530
[EN] The use of consensus chloroplast microsatellites primers for dicotyledonous chloroplast genomes revealed the existence of intra and interspecific length variation within the genus Vitis. Three chloroplast microsatellite loci were found to be polymorphic in samples of Vitis vinifera, Vitis berlandieri, Vitis riparia, and Vitis rupestris out of a total of 10 consensus primer pairs tested. These polymorphisms were always due to a variable number of mononucleotide residues within A and (or) T stretches in the amplified regions. Chloroplast microsatellite polymorphisms were used to demonstrate the maternal inheritance of chloroplast in V. vinifera and to characterise the chloroplast haplotypes present in wine grape cultivars of this species grown in Spain and Greece. The different distribution of haplotype frequencies in the two ends of the Mediterranean growth area suggests the existence of independent domestication events for grapevine.Key words: Vitis, grapevine, chloroplast microsatellites, chloroplast haplotypes, chloroplast inheritance, grapevine domestication.
[ES] L’emploi d’amorces consensus pour l’ADN chloroplastique chez les dicotylédones révèle la présence de variabilité intra- et interspécifique au sein du genre Vitis. Trois locus microsatellites chloroplastiques se sont avérés polymorphes chez le Vitis vinifera, le Vitis barlandieri, le Vitis riparia et le Vitis rupestris parmi un ensemble de dix amorces consensus employées. Ces polymorphismes étaient presque toujours dus à un nombre variable de nucléotides A ou T au sein d’une suite mononucléotidique dans la région amplifiée. Les polymorphismes de l’ADN chloroplastique ont été employés pour démontrer l’hérédité maternelle du chloroplaste chez le V. vinifera et pour caractériser les haplotypes chloroplastiques présents chez les cépages à vin cultivés en Espagne et en Grèce. La distribution différente quant à la fréquence des haplotypes aux deux extrémités de la zone méditerranéenne de culture suggère des événements indé- pendants de domestication de la vigne.
This research was funded by projects PETRI95-0282 and CM 07G/0045/2000. Support for research activity at the Centro Nacional de Biotecnología is provided through a specific agreement, Centro Superior de Investigaciones Científicas – Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (CSIC–INIA).
Peer reviewed
Vitis, Grapevine, Vigne, Microsatellites chloroplastiques, Chloroplast microsatellites
Vitis, Grapevine, Vigne, Microsatellites chloroplastiques, Chloroplast microsatellites
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