In this chapter, we review the history of grapevine genetics and gene mapping. Genetic markers are introduced considering both sequence-based and sequence-independent approaches used for variant discovery. We provide a survey of genotyping tools, from low- to high-throughput platforms. We describe general principles of map building and implementation, highlighting specificities for outbred species such as the grapevine. Then, we review the different approaches applied for QTL identification according to the genetic material, from bi-parental progenies, pedigree-supported segregating populations, to germplasm collection. In particular, our emphasis is on the relevance of such studies for the dissection of a complex trait. We describe the difficult process of identifying genes responsible for QTLs and the few cases of QTL cloning. Many years have passed from the first grapevine marker isolation, the development of genetic and physical maps, until the deciphering of the genome sequence. With such a wealth of detailed information on wild and cultivated grapevines, we discuss how data sharing and multidisciplinary data integration are the current challenges that the scientific community faces to effectively translate knowledge into practice

Vezzulli, S.; Doligez, A.; Bellin, D. (2019). Molecular mapping of grapevine genes. In: The Grape Genome (editor(s) Cantu, D.; Walker, M.A.). Cham: Springer. (COMPENDIUM OF PLANT GENOMES): 103-136. ISBN: 9783030186005 doi: 10.1007/978-3-030-18601-2_7. handle: http://hdl.handle.net/10449/58899

Molecular mapping of grapevine genes

Vezzulli, S.
Primo
;
2019-01-01

Abstract

In this chapter, we review the history of grapevine genetics and gene mapping. Genetic markers are introduced considering both sequence-based and sequence-independent approaches used for variant discovery. We provide a survey of genotyping tools, from low- to high-throughput platforms. We describe general principles of map building and implementation, highlighting specificities for outbred species such as the grapevine. Then, we review the different approaches applied for QTL identification according to the genetic material, from bi-parental progenies, pedigree-supported segregating populations, to germplasm collection. In particular, our emphasis is on the relevance of such studies for the dissection of a complex trait. We describe the difficult process of identifying genes responsible for QTLs and the few cases of QTL cloning. Many years have passed from the first grapevine marker isolation, the development of genetic and physical maps, until the deciphering of the genome sequence. With such a wealth of detailed information on wild and cultivated grapevines, we discuss how data sharing and multidisciplinary data integration are the current challenges that the scientific community faces to effectively translate knowledge into practice
Settore AGR/07 - GENETICA AGRARIA
2019
9783030186005
Vezzulli, S.; Doligez, A.; Bellin, D. (2019). Molecular mapping of grapevine genes. In: The Grape Genome (editor(s) Cantu, D.; Walker, M.A.). Cham: Springer. (COMPENDIUM OF PLANT GENOMES): 103-136. ISBN: 9783030186005 doi: 10.1007/978-3-030-18601-2_7. handle: http://hdl.handle.net/10449/58899
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