2019
DOI: 10.3389/fpls.2019.00009
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Genomic Analysis Confirms Population Structure and Identifies Inter-Lineage Hybrids in Aegilops tauschii

Abstract: Aegilops tauschii, the D-genome donor of bread wheat, Triticum aestivum, is a storehouse of genetic diversity, and an important resource for future wheat improvement. Genomic and population analysis of 549 Ae. tauschii and 103 wheat accessions was performed by using 13,135 high quality SNPs. Population structure, principal component, and cluster analysis confirmed the differentiation of Ae. tauschii into two lineages; lineage 1 (L1) and lineage 2 (L2), the latter being the wheat D-genome donor. Lineage L1 cont… Show more

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Cited by 48 publications
(63 citation statements)
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References 46 publications
(57 reference statements)
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“…309 tauschii ssp. strangulata or lineage 2Singh et al 2019). 310The broad geographic distribution of Ae.…”
mentioning
confidence: 99%
“…309 tauschii ssp. strangulata or lineage 2Singh et al 2019). 310The broad geographic distribution of Ae.…”
mentioning
confidence: 99%
“…In addition, the majority of gene introgressions of agronomically important traits from wild related species occurred in the chromosomes of the D-genome and the presence of D chromosomes increases the success of distant interspecific and intergeneric introgressions [49][50][51][52][53][54][55]. To increase the efficiency of introgressions from the D-genome, an intensive study of its molecular genetic structure using the NGS approaches is carried out in order to map and develop markers for genes of agronomical important traits [33,56].…”
Section: Competing Interests: No Authors Have Competing Interestsmentioning
confidence: 99%
“…Alleles from Ae. tauscii can also be introduced by this route or through the “octo-amphiploid bridge” [36]. A higher allele diversity is expected for these species because they have not gone through the bottlenecks of domestication and hexaploidization [37].…”
Section: Achieving Higher Mgpa With the Paphysmentioning
confidence: 99%