TY - JOUR
T1 - Introgression of stem rust resistance genes SrTA10187 and SrTA10171 from Aegilops tauschii to wheat.
AU - Olson, Eric L.
AU - Rouse, Matthew N.
AU - Pumphrey, Michael O.
AU - Bowden, Robert L.
AU - Gill, Bikram S.
AU - Poland, Jesse A.
N1 - Generated from Scopus record by KAUST IRTS on 2022-09-13
PY - 2013/1/1
Y1 - 2013/1/1
N2 - Aegilops tauschii, the diploid progenitor of the wheat D genome, is a readily accessible germplasm pool for wheat breeding as genes can be transferred to elite wheat cultivars through direct hybridization followed by backcrossing. Gene transfer and genetic mapping can be integrated by developing mapping populations during backcrossing. Using direct crossing, two genes for resistance to the African stem rust fungus race TTKSK (Ug99), were transferred from the Ae. tauschii accessions TA10187 and TA10171 to an elite hard winter wheat line, KS05HW14. BC2 mapping populations were created concurrently with developing advanced backcross lines carrying rust resistance. Bulked segregant analysis on the BC2 populations identified marker loci on 6DS and 7DS linked to stem rust resistance genes transferred from TA10187 and TA10171, respectively. Linkage maps were developed for both genes and closely linked markers reported in this study will be useful for selection and pyramiding with other Ug99-effective stem rust resistance genes. The Ae. tauschii-derived resistance genes were temporarily designated SrTA10187 and SrTA10171 and will serve as valuable resources for stem rust resistance breeding.
AB - Aegilops tauschii, the diploid progenitor of the wheat D genome, is a readily accessible germplasm pool for wheat breeding as genes can be transferred to elite wheat cultivars through direct hybridization followed by backcrossing. Gene transfer and genetic mapping can be integrated by developing mapping populations during backcrossing. Using direct crossing, two genes for resistance to the African stem rust fungus race TTKSK (Ug99), were transferred from the Ae. tauschii accessions TA10187 and TA10171 to an elite hard winter wheat line, KS05HW14. BC2 mapping populations were created concurrently with developing advanced backcross lines carrying rust resistance. Bulked segregant analysis on the BC2 populations identified marker loci on 6DS and 7DS linked to stem rust resistance genes transferred from TA10187 and TA10171, respectively. Linkage maps were developed for both genes and closely linked markers reported in this study will be useful for selection and pyramiding with other Ug99-effective stem rust resistance genes. The Ae. tauschii-derived resistance genes were temporarily designated SrTA10187 and SrTA10171 and will serve as valuable resources for stem rust resistance breeding.
UR - http://link.springer.com/10.1007/s00122-013-2148-z
UR - http://www.scopus.com/inward/record.url?scp=84898703859&partnerID=8YFLogxK
U2 - 10.1007/s00122-013-2148-z
DO - 10.1007/s00122-013-2148-z
M3 - Article
SN - 1432-2242
VL - 126
SP - 2477
EP - 2484
JO - TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
JF - TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
IS - 10
ER -