Exploring genetic diversity of wild and related tetraploid wheat species Triticum turgidum and Triticum timopheevii.
Core collection
F-statistics: (F(ST))
Genetic diversity
Genome wide association study (GWAS)
Genotyping by sequencing (GBS)
Nei’s index
Phenotype
Population structure
Sequencing
Tetraploid wheat
Triticum
Journal
Journal of advanced research
ISSN: 2090-1224
Titre abrégé: J Adv Res
Pays: Egypt
ID NLM: 101546952
Informations de publication
Date de publication:
06 2023
06 2023
Historique:
received:
20
06
2022
revised:
25
08
2022
accepted:
31
08
2022
medline:
5
6
2023
pubmed:
10
9
2022
entrez:
9
9
2022
Statut:
ppublish
Résumé
The domestication bottleneck has reduced genetic diversity inwheat, necessitating the use of wild relatives in breeding programs. Wild tetraploid wheat are widely used in the breeding programs but with morphological characters, it is difficult to distinguish these, resulting in misclassification/mislabeling or duplication of accessions in the Gene bank. The study aims to exploreGenotyping by sequencing (GBS) to characterize wild and domesticated tetraploid wheat accessions to generate a core set of accessions to be used in the breeding program. TASSEL-GBS pipeline was used for SNP discovery, fastStructure was used to determine the population structure and PowerCore was used to generate a core sets. Nucleotide diversity matrices of Nie's and F-statistics (F We found 65 % and 47 % duplicated accessions in Triticum timopheevii and T. turgidum respectively. Genome-wide nucleotide diversity and F The present study explored the potential of GBS technology in data reduction while maintaining the significant genetic diversity of the species. Wild germplasm showed more differentiation than domesticated accessions, indicating the availability of sufficient diversity for crop improvement. With reduced complexity, the core set preserves the genetic diversity of the gene bank collections and will aid in a more robust characterization of wild germplasm.
Identifiants
pubmed: 36084813
pii: S2090-1232(22)00201-6
doi: 10.1016/j.jare.2022.08.020
pmc: PMC10248793
pii:
doi:
Substances chimiques
Nucleotides
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
47-60Informations de copyright
Copyright © 2023. Production and hosting by Elsevier B.V.
Déclaration de conflit d'intérêts
Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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