Original Paper

Theoretical and Applied Genetics

, Volume 110, Issue 8, pp 1363-1371

First online:

Construction and characterization of BAC libraries from major grapevine cultivars

  • A-F Adam-BlondonAffiliated withUnité Mixte de Recherches sur les Génomes des Végétaux Email author 
  • , A. BernoleAffiliated withUnité Mixte de Recherches sur les Génomes des Végétaux
  • , G. FaesAffiliated withIstituto Agrario di S.Michele all’Adige
  • , D. LamoureuxAffiliated withUnité Mixte de Recherches sur les Génomes des Végétaux
  • , S. PateyronAffiliated withUnité Mixte de Recherches sur les Génomes des Végétaux
  • , M. S. GrandoAffiliated withIstituto Agrario di S.Michele all’Adige
  • , M. CabocheAffiliated withUnité Mixte de Recherches sur les Génomes des Végétaux
  • , R. VelascoAffiliated withIstituto Agrario di S.Michele all’Adige
  • , B. ChalhoubAffiliated withUnité Mixte de Recherches sur les Génomes des Végétaux

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Abstract

Genome projects were initiated on grapevine (Vitis vinifera L., 2n=38, genome size 475 Mb) through the successful construction of four bacterial artificial chromosome (BAC) libraries from three major cultivars, Cabernet Sauvignon (Cabernet S), Syrah and two different clones of Pinot Noir (Pinot N). Depending on the library, the genome coverage represented 4.5–14.8 genome equivalents with clones having a mean insert size of 93–158 kb. BAC pools suitable for PCR screening were constructed for two of these BAC libraries [Cabernet S and Pinot N clone (cl) 115] and subsequently used to confirm the genome coverage of both libraries by PCR anchoring of 74 genetic markers sampled from the 19 linkage groups. For ten of these markers, two bands on separate BAC pools were differentiated that could correspond either to different alleles or to a duplication of the locus being studied. Finally, a preliminary assessment of the correspondence between genetic and physical distances was made through the anchoring of all the markers mapped along linkage group 1 of the V. vinifera genetic map. A pair of markers, 2.1 cM apart, anchored the same BAC clones, which allowed us to estimate that 1 cM corresponded in this particular region to a maximum length of 130 kb.