Use of germplasm in association genetics PEACH EXAMPLE Maria José Aranzana
Dec 13, 2014
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Use of germplasm in association geneticsPEACH EXAMPLE
Maria José Aranzana
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4271 SNPs 1540 ACCESSIONSx
Huge Dataset
FruitBreedomics PEACH DATASET
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4271 SNPs 1540 ACCESSIONSx
Huge Dataset Phenotypic dataxhttp://155.253.6.237/fruitbreedomics_save_and_continue_wp/
FruitBreedomics PEACH DATASET
Good tool for breeders and germplasm curators TrainingWorkshop_DATA.xlsx
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LINKAGE DISEQUILIBRIUM (LD)
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WHOLE GENOME ASSOCIATION ANALISISLevel of association +-
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CONCLUSIONS
• Peach genome is structured in big blocks of variability
• In general, each breeding program has its own pattern of variability (breeder+ “founders”+ breeding location imprint)
• A deep view of genome-wide variability can be used to:
• localize genes
• direct the variability for crosses
• manage the variability in a germplasm collection