Identification of markers linked to the race Ug99 effective stem rust resistance gene Sr28 in wheat (Triticum aestivum L.).

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
Matthew N RouseYue Jin

Abstract

Wheat stem rust caused by Puccinia graminis f. sp. tritici can cause devastating yield losses in wheat. Over the past several decades, stem rust has been controlled worldwide through the use of genetic resistance. Stem rust race TTKSK (Ug99), first detected in Uganda in 1998, threatens global wheat production because of its unique virulence combination. As the majority of the currently grown cultivars and advanced breeding lines are susceptible to race TTKSK, sources of resistance need to be identified and characterized to facilitate their use in agriculture. South Dakota breeding line SD 1691 displayed resistance to race TTKSK in the international wheat stem rust nursery in Njoro, Kenya. Seedling screening of progeny derived from SD 1691 crossed to susceptible LMPG-6 indicated that a single resistance gene was present. Allelism and race-specificity tests indicated the stem rust resistance gene in SD 1691 was Sr28. The chromosome arm location of Sr28 was previously demonstrated to be 2BL. We identified molecular markers linked to Sr28 and validated this linkage in two additional populations. Common spring wheat cultivars in the central United States displayed allelic diversity for markers flanking Sr28. These markers could be u...Continue Reading

References

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Citations

Oct 15, 2013·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Eric E Lopez-VeraSukhwinder Singh
Jun 7, 2014·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Long-Xi YuMark E Sorrells
May 20, 2014·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Matthew N RouseJamie D Sherman
Jun 11, 2014·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Matthew N RouseColin W Hiebert
Sep 18, 2015·Frontiers in Microbiology·Umesh GoutamAakash K Goyal
Dec 20, 2014·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Guotai YuSteven S Xu
Oct 21, 2016·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·E M BabikerJ M Bonman
Jul 7, 2019·G3 : Genes - Genomes - Genetics·Meriem AounMaricelis Acevedo
Mar 14, 2017·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Daryl L KlindworthSteven S Xu
Jul 21, 2017·The Plant Genome·Paul D MihalyovMichael O Pumphrey
Dec 18, 2018·Frontiers in Plant Science·Mandeep S RandhawaMaricarmen Sandoval-Sanchez
Sep 1, 2017·G3 : Genes - Genomes - Genetics·Jayaveeramuthu NirmalaMatthew N Rouse
Jan 30, 2021·Frontiers in Plant Science·Zennah C KosgeyMatthew N Rouse
Feb 9, 2021·Frontiers in Plant Science·Nana Vagndorf NordestgaardJihad Orabi
Nov 2, 2021·Frontiers in Plant Science·Hongna LiShisheng Chen

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