期刊
PLANT SCIENCE
卷 196, 期 -, 页码 125-131出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.plantsci.2012.08.004
关键词
MaizeSNP50; Genome-wide association study; Head smut; Zea mays
资金
- 111 Project of China [B07041]
- Beijing Agricultural Innovative Platform - Beijing Natural Science Fund Program [D08070500690802]
Head smut, caused by the fungus Sphacelotheca reiliana (Kuhn) Clint, is a devastating global disease in maize, leading to severe quality and yield loss each year. The present study is the first to conduct a genome-wide association study (GWAS) of head smut resistance using the Illumina MaizeSNP50 array. Out of 45,868 single nucleotide polymorphisms in a panel of 144 inbred lines, 18 novel candidate genes were associated with head smut resistance in maize. These candidate genes were classified into three groups, namely, resistance genes, disease response genes, and other genes with possible plant disease resistance functions. The data suggested a complicated molecular mechanism of maize resistance against S. reiliana. This study also suggested that GWAS is a useful approach for identifying causal genetic factors for head smut resistance in maize. Crown Copyright (C) 2012 Published by Elsevier Ireland Ltd. All rights reserved.
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