Pm62, an adult-plant powdery mildew resistance gene introgressed from Dasypyrum villosum chromosome arm 2VL into wheat

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
Ruiqi ZhangYigao Feng

Abstract

Pm62, a novel adult-plant resistance (APR) gene against powdery mildew, was transferred from D. villosum into common wheat in the form of Robertsonian translocation T2BS.2VL#5. Powdery mildew, which is caused by the fungus Blumeria graminis f. sp. tritici, is a major disease of wheat resulting in substantial yield and quality losses in many wheat production regions of the world. Introgression of resistance from wild species into common wheat has application for controlling this disease. A Triticum durum-Dasypyrum villosum chromosome 2V#5 disomic addition line, N59B-1 (2n = 30), improved resistance to powdery mildew at the adult-plant stage, which was attributable to chromosome 2V#5. To transfer this resistance into bread wheat, a total of 298 BC1F1 plants derived from the crossing between N59B-1 and Chinese Spring were screened by combined genomic in situ hybridization and fluorescent in situ hybridization, 2V-specific marker analysis, and reaction to powdery mildew to confirm that a dominant adult-plant resistance gene, designated as Pm62, was located on chromosome 2VL#5. Subsequently, the 2VL#5 (2D) disomic substitution line (NAU1825) and the homozygous T2BS.2VL#5 Robertsonian translocation line (NAU1823), with normal plant v...Continue Reading

References

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Citations

Sep 12, 2019·Journal of Applied Genetics·Volker Mohler, Melanie Stadlmeier
Jun 20, 2019·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Genqiao LiXiangyang Xu
Jul 21, 2020·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Shijin LiXingguo Ye
Feb 8, 2020·Plants·Mikhail BazhenovMikhail Divashuk
Jan 25, 2020·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Wentao WanXiue Wang
Jan 4, 2021·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Huagang HeShanying Zhu
Jan 30, 2021·Genome Génome / Conseil National De Recherches Canada·Zhihui YuZujun Yang

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Datasets Mentioned

BETA
NAU1825
NAU1823

Methods Mentioned

BETA
PCR
Infection

Software Mentioned

SPSS

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