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Journal of Agricultural Science and Technology، جلد ۲۶، شماره ۴، صفحات ۸۶۱-۸۷۲
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عنوان انگلیسی Genome-Wide Association Mapping Revealed SNP Alleles Associated with Resistance to Cereal Cyst Nematode (Heterodera filipjevi) in Wheat
چکیده انگلیسی مقاله Resistance traits are economically important in crops in terms of accessibility to promising resistant germplasm. This study was conducted to evaluate SNP marker-trait association for Cereal Cyst Nematode (CCN), Heterodera filipjevi, in a large number of natural bread wheat populations. Phenotypic data analyzed using GLM (Generalized Linear Model) indicated significant differences among the landrace accessions for resistance to H. filipjevi. The genotyping was performed by 152K SNP chip on 188 accessions. After filtering, 10,471 polymorphic SNPs were employed for Genome Wide Association Study (GWAS). Population structure among the wheat genotypes were investigated using 840 well distinct SNP markers. Two sub-populations were revealed by structure software, and eleven markers were found to be significantly (P-value< 0.001) associated with resistance to H. filipjevi on chromosomes 2A, 3B, 4A, 4B, 5A, 5B, 5D, and 6B. The linkage disequilibrium analysis for all significantly associated SNPs showed that markers on chromosomes 4A and 4B were in high intra-chromosomal linkage disequilibrium, and, consequently, eight markers were recommended as strongly associated with resistance to H. filipjevi. The present study demonstrated valuable sources of resistance in the studied wheat genotypes against a widespread and important species of CCNs. The associated markers could be used in molecular breeding programs of bread wheat.
کلیدواژه‌های انگلیسی مقاله Generalized Linear Model,Genome Wide Association Study (GWAS),Linkage disequilibrium analysis
نویسندگان مقاله Z. Majd Taheri |
Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Islamic Republic of Iran.

Z. Tanha Maafi |
Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Islamic Republic of Iran.

K. Nazari |
Regional Cereal Rust Research Center, Aegean Agricultural Research Institute, P.K. 9, Menemen, Izmir, Turkey.

K. Zaynali Nezhad |
Department of Plant Breeding and Biotechnology, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Islamic Republic of Iran.

F. Rakhshandehroo |
Department of Plant Protection, College of Agricultural Sciences and Food Industries, Science and Research Branch, Islamic Azad University, Tehran, Islamic Republic of Iran.

A. Dababat |
International Maize and Wheat Improvement Center, Emek, Ankara, Turkey.

نشانی اینترنتی https://jast.modares.ac.ir/article_16959_6307622f183903e3108ffb4193e866a5.pdf
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