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Autor
Appels, Rudi 1 Chen, Yong-Xing 1 Cui, Yu 1 Doležel, Jaroslav 1 Gu, Yongqiang 1 Han, Jun 1 Huo, Naxin 1 Keeble-Gagnere, Gabriel 1 Liang, Yong 1 Ling, Hong-Qing 1 Liu, Zhiyong 1 Lu, Ping 1 Luo, Mingcheng 1 Ouyang, Shuhong 1 Song, Wei 1 Sun, Hua 1 Sun, Qixin 1 Wang, Lili 1 Wang, Zhenzhong 1 Wu, Qiuhong 1
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Pracoviště
Agriculture University of Beijing Bei... 1 Department of Plant Sciences Universi... 1 Institute of Experimental Botany Cent... 1 Maize Research Center Beijing Academy... 1 Murdoch University Perth Western Aust... 1 State Key Laboratory for Agrobiotechn... 1 State Key Laboratory of Plant Cell an... 1 USDA ARS West Regional Research Cente... 1
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Autor
Appels, Rudi 1 Chen, Yong-Xing 1 Cui, Yu 1 Doležel, Jaroslav 1 Gu, Yongqiang 1 Han, Jun 1 Huo, Naxin 1 Keeble-Gagnere, Gabriel 1 Liang, Yong 1 Ling, Hong-Qing 1 Liu, Zhiyong 1 Lu, Ping 1 Luo, Mingcheng 1 Ouyang, Shuhong 1 Song, Wei 1 Sun, Hua 1 Sun, Qixin 1 Wang, Lili 1 Wang, Zhenzhong 1 Wu, Qiuhong 1
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Pracoviště
Agriculture University of Beijing Bei... 1 Department of Plant Sciences Universi... 1 Institute of Experimental Botany Cent... 1 Maize Research Center Beijing Academy... 1 Murdoch University Perth Western Aust... 1 State Key Laboratory for Agrobiotechn... 1 State Key Laboratory of Plant Cell an... 1 USDA ARS West Regional Research Cente... 1
- Formát
- Publikační typ
- Kategorie
- Jazyk
- Země
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- Vlastník
- Ouyang, Shuhong
- Zhang, Dong
- Han, Jun
- Zhao, Xiaojie
- Cui, Yu
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Song, Wei
Autor Song, Wei State Key Laboratory for Agrobiotechnology/Beijing Key Laboratory of Crop Genetic Improvement/Key Laboratory of Crop Heterosis Research & Utilization, Ministry of Education, China Agricultural University, Beijing, China Maize Research Center, Beijing Academy of Agricultural and Forestry Sciences, Beijing, China
- Huo, Naxin
- Liang, Yong
- Xie, Jingzhong
- Wang, Zhenzhong
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PubMed
24955773
DOI
10.1371/journal.pone.0100160
Knihovny.cz E-zdroje
Powdery mildew, caused by Blumeria graminis f. sp. tritici, is one of the most important wheat diseases in the world. In this study, a single dominant powdery mildew resistance gene MlIW172 was identified in the IW172 wild emmer accession and mapped to the distal region of chromosome arm 7AL (bin7AL-16-0.86-0.90) via molecular marker analysis. MlIW172 was closely linked with the RFLP probe Xpsr680-derived STS marker Xmag2185 and the EST markers BE405531 and BE637476. This suggested that MlIW172 might be allelic to the Pm1 locus or a new locus closely linked to Pm1. By screening genomic BAC library of durum wheat cv. Langdon and 7AL-specific BAC library of hexaploid wheat cv. Chinese Spring, and after analyzing genome scaffolds of Triticum urartu containing the marker sequences, additional markers were developed to construct a fine genetic linkage map on the MlIW172 locus region and to delineate the resistance gene within a 0.48 cM interval. Comparative genetics analyses using ESTs and RFLP probe sequences flanking the MlIW172 region against other grass species revealed a general co-linearity in this region with the orthologous genomic regions of rice chromosome 6, Brachypodium chromosome 1, and sorghum chromosome 10. However, orthologous resistance gene-like RGA sequences were only present in wheat and Brachypodium. The BAC contigs and sequence scaffolds that we have developed provide a framework for the physical mapping and map-based cloning of MlIW172.
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