First Whole Genome Sequencing Data of Six Greek Sheep Breeds

Research on library science has unveiled new findings on Greek sheep breeds, specifically Chios, Kalarritiko, Karagouniko, Lesvos, Serres, and Thraki breeds. The study's genetic analysis has highlighted the importance of understanding the genetic variability of these breeds, which could impact their performance and sustainability in the agricultural sector. The researchers have provided the first whole genome sequencing data for these breeds, consisting of 23,526,500 high-quality variants. The data analysis has demonstrated the high quality of the callset, with a vast majority of variants located in non-coding regions.

Key Takeaways:

  • The study has identified 23,526,500 high-quality variants in the whole genome sequencing data for six Greek sheep breeds.
  • The high average variant depth (148.7X ± 28.3) and low Single Nucleotide Polymorphism (SNP) density (1 variant per 111 bases) in the callset demonstrated the high quality of the data.
  • The vast majority of variants (97.46%) were located in non-coding regions, while a small percentage (1.32%) was positioned in exonic regions.
  • The study has provided the first WGS data for six Greek sheep breeds, which could be invaluable for designing and implementing targeted breeding schemes, for traceability purposes, and for the overall enhancement of the sector.
  • The research involved the analysis of whole genome sequencing data for six Greek sheep breeds: Chios, Kalarritiko, Karagouniko, Lesvos, Serres, and Thraki breeds.
  • The study's findings have significant implications for the Greek agricultural sector, particularly in terms of performance and sustainability.

Statistics:

  • 23,526,500: The number of high-quality variants identified in the whole genome sequencing data.
  • 148.7X ± 28.3: The average variant depth in the callset.
  • 1 variant per 111 bases: The SNP density in the callset.
  • 97.46%: The percentage of variants located in non-coding regions.
  • 1.32%: The percentage of variants positioned in exonic regions.
  • 2.449: The transition to transversion (Ti/Tv) ratio, which further confirmed the callset's high quality.
  • 1.49: The heterozygous to non-reference homozygous (Het/Hom) ratio, which confirmed the callset's high quality.

Sources:

  • First Whole Genome Sequencing Data of Six Greek Sheep Breeds. Data, 2025,10(5):75.
  • Institute of Applied Biosciences, Centre for Research and Technology Hellas, 57001 Thessaloniki, Greece.
  • MDPI AG (publisher for Data).