Publications by authors named "Sebastien Julliard"
Haplotype-resolved genome assemblies were produced for Chasselas and Ugni Blanc, two heterozygous cultivars by combining high-fidelity long-read sequencing and high-throughput chromosome conformation capture (Hi-C). The telomere-to-telomere full coverage of the chromosomes allowed us to assemble separately the two haplo-genomes of both cultivars and revealed structural variations between the two haplotypes of a given cultivar. The deletions/insertions, inversions, translocations, and duplications provide insight into the evolutionary history and parental relationship among grape varieties.
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- Grapevine breeding is facing challenges due to lengthy traditional methods (20-25 years) and the need to adapt to climate change, relying mainly on phenotypic data and few genetic markers.
- The study assessed genomic prediction to enhance breeding efficiency by evaluating 30 traits in Rosé wine and Cognac grapevine programs, using advanced prediction methods.
- Results showed significant variability in predictive abilities influenced by trait characteristics, allowing researchers to identify superior grapevine individuals for each program collaboratively with industry representatives.