Inheritance and mapping of powdery mildew resistance gene Pm43 introgressed from Thinopyrum intermedium into wheat

被引：179

作者：

He, Runli ^{[1
]}

Chang, Zhijian ^{[1
,2
]}

Yang, Zujun ^{[3
]}

Yuan, Zongying ^{[4
]}

Zhan, Haixian ^{[2
]}

Zhang, Xiaojun ^{[2
]}

Liu, Jianxia ^{[1
]}

机构：

[1] Shanxi Univ, Sch Life Sci & Technol, Taiyuan 030006, Shanxi, Peoples R China

[2] Shanxi Acad Agr Sci, Inst Crop Genet, Taiyuan 030031, Shanxi, Peoples R China

[3] Univ Elect Sci & Technol China, Sch Life Sci & Technol, Chengdu 610054, Peoples R China

[4] Shanxi Acad Agr Sci, Inst Plant Protect, Taiyuan 030031, Shanxi, Peoples R China

来源：

THEORETICAL AND APPLIED GENETICS | 2009年 / 118卷 / 06期

关键词：

COMMON WHEAT; CHROMOSOMAL LOCATION; MOLECULAR CHARACTERIZATION; ALIEN CHROMATIN; MARKERS; IDENTIFICATION; GENOME; LOCUS; LINE; MAP;

D O I：

10.1007/s00122-009-0971-z

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Powdery mildew resistance from Thinopyrum intermedium was introgressed into common wheat (Triticum aestivum L.). Genetic analysis of the F-1, F-2, F-3 and BC1 populations from powdery mildew resistant line CH5025 revealed that resistance was controlled by a single dominant allele. The gene responsible for powdery mildew resistance was mapped by the linkage analysis of a segregating F-2 population. The resistance gene was linked to five co-dominant genomic SSR markers (Xcfd233, Xwmc41, Xbarc11, Xgwm539 and Xwmc175) and their most likely order was Xcfd233-Xwmc41-Pm43-Xbarc11-Xgwm539-Xwmc175 at 2.6, 2.3, 4.2, 3.5 and 7.0 cM, respectively. Using the Chinese Spring nullisomic-tetrasomic and ditelosomic lines, the polymorphic markers and the resistance gene were assigned to chromosome 2DL. As no powdery mildew resistance gene was previously assigned to chromosome 2DL, this new resistance gene was designated Pm43. Pm43, together with the identified closely linked markers, could be useful in marker-assisted selection for pyramiding powdery mildew resistance genes.

引用

页码：1173 / 1180

页数：8

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