ArticleBMC genomics2018
Unlocking the novel genetic diversity and population structure of synthetic Hexaploid wheat.
Article in BMC genomics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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Who cites it
40 citing papers in PubMed, 93 citations in OpenAlex.
- Introgression of rye chromosome arm 1RS enhances climate resilience in German winter wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Genotyping analysis of over 130,000 CIMMYT bread wheat breeding lines: A decade-long effort in optimizing wheat genotyping.The plant genome · 2025Article
- Evaluation of Fusarium Head Blight Resistance Through a Genome-Wide Association Study in CIMMYT and South Asian Wheat Germplasm.Pathogens (Basel, Switzerland) · 2025Article
- Physiological and antioxidant responses of synthetic hexaploid wheat germplasm under drought.BMC plant biology · 2024Article
- Genetic diversity and population structure of wheat landraces in Southern Winter Wheat Region of China.BMC genomics · 2024Article
- Comparative adaptability assessment of bread wheat and synthetic hexaploid genotypes under saline conditions using physiological, biochemical, and genetic indices.Frontiers in plant science · 2024Article
- Whole-genome sequencing of diverse wheat accessions uncovers genetic changes during modern breeding in China and the United States.The Plant cell · 2023Article
- Genetic diversity, linkage disequilibrium, and population structure of tetraploid wheat landraces originating from Europe and Asia.BMC genomics · 2023Article
- Genomic Prediction of Resistance to Tan Spot, Spot Blotch and Septoria Nodorum Blotch in Synthetic Hexaploid Wheat.International journal of molecular sciences · 2023Article
- Identification of fusarium head blight resistance markers in a genome-wide association study of CIMMYT spring synthetic hexaploid derived wheat lines.BMC plant biology · 2023Article
- Review
- Potentials of synthetic hexaploid wheats to improve drought tolerance.Scientific reports · 2022Article
- Genetic Characterization of Spring Wheat Germplasm for Macro-, Microelements and Trace Metals.Plants (Basel, Switzerland) · 2022Article
- Evolution and origin of bread wheat.The Plant cell · 2022Article
- Population structure, allelic variation at Rht-B1 and Ppd-A1 loci and its effects on agronomic traits in Argentinian durum wheat.Scientific reports · 2022Article
- Population structure and genetic diversity of U.S. wheat varieties.The plant genome · 2022Article
- Genetic Diversity Assessment of the International Maize and Wheat Improvement Center and Chinese Wheat Core Germplasms by Non-Denaturing Fluorescence In Situ Hybridization.Plants (Basel, Switzerland) · 2022Article
- Genotyping-by-Sequencing Based Molecular Genetic Diversity of Pakistani Bread Wheat (Frontiers in genetics · 2022Article
- Article
- Genetic Diversity, Linkage Disequilibrium and Population Structure of Bulgarian Bread Wheat Assessed by Genome-Wide Distributed SNP Markers: From Old Germplasm to Semi-Dwarf Cultivars.Plants (Basel, Switzerland) · 2021Article
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
Abstract
backgroundSynthetic hexaploid wheat (SHW) is a reconstitution of hexaploid wheat from its progenitors (Triticum turgidum ssp. durum L.; AABB x Aegilops tauschii Coss.; DD) and has novel sources of genetic diversity for broadening the genetic base of elite bread wheat (BW) germplasm (T. aestivum L). Understanding the diversity and population structure of SHWs will facilitate their use in wheat breeding programs. Our objectives were to understand the genetic diversity and population structure of SHWs and compare the genetic diversity of SHWs with elite BW cultivars and demonstrate the potential of SHWs to broaden the genetic base of modern wheat germplasm.
resultsThe genotyping-by-sequencing of SHW provided 35,939 high-quality single nucleotide polymorphisms (SNPs) that were distributed across the A (33%), B (36%), and D (31%) genomes. The percentage of SNPs on the D genome was nearly same as the other two genomes, unlike in BW cultivars where the D genome polymorphism is generally much lower than the A and B genomes. This indicates the presence of high variation in the D genome in the SHWs. The D genome gene diversity of SHWs was 88.2% higher than that found in a sample of elite BW cultivars. Population structure analysis revealed that SHWs could be separated into two subgroups, mainly differentiated by geographical location of durum parents and growth habit of the crop (spring and winter type). Further population structure analysis of durum and Ae. parents separately identified two subgroups, mainly based on type of parents used. Although Ae. tauschii parents were divided into two sub-species: Ae. tauschii ssp. tauschii and ssp. strangulate, they were not clearly distinguished in the diversity analysis outcome. Population differentiation between SHWs (Spring_SHW and Winter_SHW) samples using analysis of molecular variance indicated 17.43% of genetic variance between populations and the remainder within populations.
conclusionsSHWs were diverse and had a clearly distinguished population structure identified through GBS-derived SNPs. The results of this study will provide valuable information for wheat genetic improvement through inclusion of novel genetic variation and is a prerequisite for association mapping and genomic selection to unravel economically important marker-trait associations and for cultivar development.
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