Arid
DOI10.1007/s00122-013-2081-1
Identification of genetic markers linked to anthracnose resistance in sorghum using association analysis
Upadhyaya, Hari D.1; Wang, Yi-Hong2; Sharma, Rajan1; Sharma, Shivali1
通讯作者Wang, Yi-Hong
来源期刊THEORETICAL AND APPLIED GENETICS
ISSN0040-5752
EISSN1432-2242
出版年2013
卷号126期号:6页码:1649-1657
英文摘要

Anthracnose in sorghum caused by Colletotrichum sublineolum is one of the most destructive diseases affecting sorghum production under warm and humid conditions. Markers and genes linked to resistance to the disease are important for plant breeding. Using 14,739 SNP markers, we have mapped eight loci linked to resistance in sorghum through association analysis of a sorghum mini-core collection consisting of 242 diverse accessions evaluated for anthracnose resistance for 2 years in the field. The mini-core was representative of the International Crops Research Institute for the Semi-Arid Tropics’ world-wide sorghum landrace collection. Eight marker loci were associated with anthracnose resistance in both years. Except locus 8, disease resistance-related genes were found in all loci based on their physical distance from linked SNP markers. These include two NB-ARC class of R genes on chromosome 10 that were partially homologous to the rice blast resistance gene Pib, two hypersensitive response-related genes: autophagy-related protein 3 on chromosome 1 and 4 harpin-induced 1 (Hin1) homologs on chromosome 8, a RAV transcription factor that is also part of R gene pathway, an oxysterol-binding protein that functions in the non-specific host resistance, and homologs of menthone:neomenthol reductase (MNR) that catalyzes a menthone reduction to produce the antimicrobial neomenthol. These genes and markers may be developed into molecular tools for genetic improvement of anthracnose resistance in sorghum.


类型Article
语种英语
国家India ; USA
收录类别SCI-E
WOS记录号WOS:000319477900020
WOS关键词GENOME-WIDE ASSOCIATION ; MINI-CORE COLLECTION ; COLLETOTRICHUM-GRAMINICOLA ; DISEASE RESISTANCE ; HYPERSENSITIVE RESPONSE ; TRANSCRIPTION FACTOR ; ANTIFUNGAL PROTEINS ; FOLIAR DISEASES ; COMPLEX TRAITS ; ACID LEVELS
WOS类目Agronomy ; Plant Sciences ; Genetics & Heredity ; Horticulture
WOS研究方向Agriculture ; Plant Sciences ; Genetics & Heredity
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/180104
作者单位1.Int Crops Res Inst Semi Arid Trop, Hyderabad 502324, Andhra Pradesh, India;
2.Univ Louisiana Lafayette, Dept Biol, Lafayette, LA 70504 USA
推荐引用方式
GB/T 7714
Upadhyaya, Hari D.,Wang, Yi-Hong,Sharma, Rajan,et al. Identification of genetic markers linked to anthracnose resistance in sorghum using association analysis[J],2013,126(6):1649-1657.
APA Upadhyaya, Hari D.,Wang, Yi-Hong,Sharma, Rajan,&Sharma, Shivali.(2013).Identification of genetic markers linked to anthracnose resistance in sorghum using association analysis.THEORETICAL AND APPLIED GENETICS,126(6),1649-1657.
MLA Upadhyaya, Hari D.,et al."Identification of genetic markers linked to anthracnose resistance in sorghum using association analysis".THEORETICAL AND APPLIED GENETICS 126.6(2013):1649-1657.
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