Rapid genomic characterization of the genus vitis.

Next-generation sequencing technologies promise to dramatically accelerate the use of genetic information for crop improvement by facilitating the genetic mapping of agriculturally important phenotypes. The first step in optimizing the design of genetic mapping studies involves large-scale polymorph...

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Autores principales: Sean Myles, Jer-Ming Chia, Bonnie Hurwitz, Charles Simon, Gan Yuan Zhong, Edward Buckler, Doreen Ware
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Publicado: Public Library of Science (PLoS) 2010
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spelling oai:doaj.org-article:8d9ad1bb05d84189abf97a9e904cd4132021-11-25T06:26:45ZRapid genomic characterization of the genus vitis.1932-620310.1371/journal.pone.0008219https://doaj.org/article/8d9ad1bb05d84189abf97a9e904cd4132010-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/20084295/?tool=EBIhttps://doaj.org/toc/1932-6203Next-generation sequencing technologies promise to dramatically accelerate the use of genetic information for crop improvement by facilitating the genetic mapping of agriculturally important phenotypes. The first step in optimizing the design of genetic mapping studies involves large-scale polymorphism discovery and a subsequent genome-wide assessment of the population structure and pattern of linkage disequilibrium (LD) in the species of interest. In the present study, we provide such an assessment for the grapevine (genus Vitis), the world's most economically important fruit crop. Reduced representation libraries (RRLs) from 17 grape DNA samples (10 cultivated V. vinifera and 7 wild Vitis species) were sequenced with sequencing-by-synthesis technology. We developed heuristic approaches for SNP calling, identified hundreds of thousands of SNPs and validated a subset of these SNPs on a 9K genotyping array. We demonstrate that the 9K SNP array provides sufficient resolution to distinguish among V. vinifera cultivars, between V. vinifera and wild Vitis species, and even among diverse wild Vitis species. We show that there is substantial sharing of polymorphism between V. vinifera and wild Vitis species and find that genetic relationships among V. vinifera cultivars agree well with their proposed geographic origins using principal components analysis (PCA). Levels of LD in the domesticated grapevine are low even at short ranges, but LD persists above background levels to 3 kb. While genotyping arrays are useful for assessing population structure and the decay of LD across large numbers of samples, we suggest that whole-genome sequencing will become the genotyping method of choice for genome-wide genetic mapping studies in high-diversity plant species. This study demonstrates that we can move quickly towards genome-wide studies of crop species using next-generation sequencing. Our study sets the stage for future work in other high diversity crop species, and provides a significant enhancement to current genetic resources available to the grapevine genetic community.Sean MylesJer-Ming ChiaBonnie HurwitzCharles SimonGan Yuan ZhongEdward BucklerDoreen WarePublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 5, Iss 1, p e8219 (2010)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Sean Myles
Jer-Ming Chia
Bonnie Hurwitz
Charles Simon
Gan Yuan Zhong
Edward Buckler
Doreen Ware
Rapid genomic characterization of the genus vitis.
description Next-generation sequencing technologies promise to dramatically accelerate the use of genetic information for crop improvement by facilitating the genetic mapping of agriculturally important phenotypes. The first step in optimizing the design of genetic mapping studies involves large-scale polymorphism discovery and a subsequent genome-wide assessment of the population structure and pattern of linkage disequilibrium (LD) in the species of interest. In the present study, we provide such an assessment for the grapevine (genus Vitis), the world's most economically important fruit crop. Reduced representation libraries (RRLs) from 17 grape DNA samples (10 cultivated V. vinifera and 7 wild Vitis species) were sequenced with sequencing-by-synthesis technology. We developed heuristic approaches for SNP calling, identified hundreds of thousands of SNPs and validated a subset of these SNPs on a 9K genotyping array. We demonstrate that the 9K SNP array provides sufficient resolution to distinguish among V. vinifera cultivars, between V. vinifera and wild Vitis species, and even among diverse wild Vitis species. We show that there is substantial sharing of polymorphism between V. vinifera and wild Vitis species and find that genetic relationships among V. vinifera cultivars agree well with their proposed geographic origins using principal components analysis (PCA). Levels of LD in the domesticated grapevine are low even at short ranges, but LD persists above background levels to 3 kb. While genotyping arrays are useful for assessing population structure and the decay of LD across large numbers of samples, we suggest that whole-genome sequencing will become the genotyping method of choice for genome-wide genetic mapping studies in high-diversity plant species. This study demonstrates that we can move quickly towards genome-wide studies of crop species using next-generation sequencing. Our study sets the stage for future work in other high diversity crop species, and provides a significant enhancement to current genetic resources available to the grapevine genetic community.
format article
author Sean Myles
Jer-Ming Chia
Bonnie Hurwitz
Charles Simon
Gan Yuan Zhong
Edward Buckler
Doreen Ware
author_facet Sean Myles
Jer-Ming Chia
Bonnie Hurwitz
Charles Simon
Gan Yuan Zhong
Edward Buckler
Doreen Ware
author_sort Sean Myles
title Rapid genomic characterization of the genus vitis.
title_short Rapid genomic characterization of the genus vitis.
title_full Rapid genomic characterization of the genus vitis.
title_fullStr Rapid genomic characterization of the genus vitis.
title_full_unstemmed Rapid genomic characterization of the genus vitis.
title_sort rapid genomic characterization of the genus vitis.
publisher Public Library of Science (PLoS)
publishDate 2010
url https://doaj.org/article/8d9ad1bb05d84189abf97a9e904cd413
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AT ganyuanzhong rapidgenomiccharacterizationofthegenusvitis
AT edwardbuckler rapidgenomiccharacterizationofthegenusvitis
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