The Swiss Vitis Microsatellite Database (SVMD) is a standardised database of microsatellite genotypes of virtually all grape cultivars, rootstocks or wild grapevines that grow in Switzerland.

The SVMD contains data of about 170 Vitis individuals at the six microsatellite markers (VVMD5, VVMD7, VVMD27, VVS2, VrZAG62 and VrZAG79) chosen as a core set by the international grape genetics community (This et al. 2004, Theor Appl Genet 109(7):1448-1458).

In the SVMD, queries can be made by cultivars names or synonyms, alphabetical order or allele size (either one or two alleles).

The SVMD has been carried out at the National Centre of Competence in Research (NCCR) 'Plant Survival', University of Neuchâtel, in collaboration with Forschungsanstalt Agroscope Changins-Wädenswil ACW. It has been funded by the State Secretariat for Education and Research (SER) to support the Swiss participation to the COST action #858 "Viticulture: biotic and abiotic stress; grapevine defence mechanisms and grape development"

For calibration purposes, we also provide here "our" allele size values for four internationally widespread and well-known grape cultivars (Cabernet Sauvignon, Chasselas, Pinot, Syrah). You must adjust your allele sizes accordingly in order to compare your microsatellite profiles to ours.
Name VVMD5 VVMD7 VVMD27 VVS2 VrZAG62 VrZAG79
Allele 1 Allele 2 Allele 1 Allele 2 Allele 1 Allele 2 Allele 1 Allele 2 Allele 1 Allele 2 Allele 1 Allele 2
Cabernet Sauvignon 240 232 239 239 189 175 151 139 195 189 247 247
Chasselas 236 228 247 239 189 185 143 133 205 195 259 251
Pinot 238 228 243 239 189 185 151 137 195 189 245 239
Syrah 232 226 239 239 191 189 133 133 195 189 251 245
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