Vitis vinifera subsp. sylvestris and sativa; so far, so close: a 20 SSR based comparison of the two taxa

Authors

  • S. Imazio Dipartimento di Scienze della Vita, Università di Modena e Reggio Emilia, via Amendola, 2, Padiglione Besta, 42122 Reggio Emilia, Italy
  • G. De Lorenzis Dipartimento di Scienze Agrarie e Ambientali, Università degli Studi di Milano, Milano, Italy
  • B. Biagini Dipartimento di Scienze Agrarie e Ambientali, Università degli Studi di Milano, Milano, Italy
  • D. Maghradze Institute of Horticulture, Viticulture and Oenology, Agricultural University of Georgia, Tbilisi, Georgia
  • A. Scienza Dipartimento di Scienze Agrarie e Ambientali, Università degli Studi di Milano, Milano, Italy
  • O. Failla Dipartimento di Scienze Agrarie e Ambientali, Università degli Studi di Milano, Milano, Italy

DOI:

https://doi.org/10.5073/vitis.2015.54.special-issue.229-232

Keywords:

domestication, feral forms, gene flows, introgression, parentage analysis

Abstract

In Vitis vinifera L., the hypothesis of secondary domestication center, located along the wild progenitor distribution areas, is suggestive and credible even if up to now close parentage relationships between domestic (Vitis vinifera L. subsp. sativa (DC.) Hegi) and wild (Vitis vinifera L. subsp. sylvestris (Gmel.) Hegi) grapevines have not been detected, possibly due to century long separation of the two subspecies. The aim of this work was to verify the possibility of tracing a flow between the two compartments basing on molecular data and thanks to the availability of a huge dataset comprising 645 wild and more than 1400 cultivated samples. Twenty SSR loci were used to describe and genotype both sylvestris and sativa compartments. The sylvestris samples were all collected in the frame of a three year census in Italy and are representative of the Italian distribution range from north to south. The cultivated sativa accessions mainly (1231 samples) belong to the Vassal (INRA-Montpellier) collection, while the remaining (200) were selected in the frame of the Italian grapevine germplasm. Results highlighted a high level of genetic diversity for both wild and cultivated groups. STRUCTURE analysis clearly evidenced the separation of the two compartments and no first or second degree relationships were evidenced between the two subspecies.

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Published

2015-08-17

Issue

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

Section

Article

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