2020
DOI: 10.1101/2020.09.15.296533
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Abstract: BackgroundBreeding has helped improve bread wheat yield significantly over the last century. Understanding the potential for future crop improvement depends on relating segregating genetic variation to agronomic traits.ResultsWe bred NIAB Diverse MAGIC population, comprising over 500 recombinant inbred lines, descended from sixteen bread wheat varieties released between 1935-2004. We sequenced the founders’ exomes and promotors by capture. Despite being highly representative of North-West European wheat and ca… Show more

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Cited by 9 publications
(19 citation statements)
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References 74 publications
(87 reference statements)
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“…We demonstrate that use of variety age for EnvGWAS can detect regions of crop genomes under selection during breeding. In addition, we show variety age is a good proxy for yield, with the genetic loci identified for wheat validated in an independent experimental multi-founder population (18). Lastly, we showed that the genetic loci detected by EnvGWAS showed gradual, as well as sharp, shifts in allele-frequency over time, indicating subtle changes at these loci by breeders, which are less discernible to detection using approaches such as partitioning the populations on age and searching for differences based on Fst.…”
Section: Discussionmentioning
confidence: 82%
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“…We demonstrate that use of variety age for EnvGWAS can detect regions of crop genomes under selection during breeding. In addition, we show variety age is a good proxy for yield, with the genetic loci identified for wheat validated in an independent experimental multi-founder population (18). Lastly, we showed that the genetic loci detected by EnvGWAS showed gradual, as well as sharp, shifts in allele-frequency over time, indicating subtle changes at these loci by breeders, which are less discernible to detection using approaches such as partitioning the populations on age and searching for differences based on Fst.…”
Section: Discussionmentioning
confidence: 82%
“…To further validate our EnvGWAS findings, we analysed data from a 16 founder wheat multiparent advanced generation inter cross (MAGIC) population consisting of 550 recombinant inbred lines generated by inter-crossing 16 wheat varieties released between 1935 to 2004 (18). We found that the four major genomic regions previously identified by EnvGWAS of variety age on chromosomes 1A, 2A, 2D and 6A were also significant in the MAGIC population for several yield and grain related traits, height, and yellow-rust resistance ( Table 2 ).…”
Section: Resultsmentioning
confidence: 99%
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