Systematic analysis and comparison of nucleotide-binding site disease resistance genes in maize.
作者： Ying Cheng , Xiaoyu Li , Haiyang Jiang , Wei Ma , Weiyun Miao
DOI: 10.1111/J.1742-4658.2012.08621.X
关键词:
摘要: Nucleotide-binding site (NBS) disease resistance genes play an integral role in defending plants from a range of pathogens and insect pests. Consequently, number recent studies have focused on NBS-encoding molecular breeding programmes for several important plant species. Little information, however, has been reported with emphasis systematic analysis comparison maize. In the present study, 109 were identified based complete genome sequence maize (Zea mays cv. B73), classified as four different subgroups, then characterized according to chromosomal locations, gene duplications, structural diversity conserved protein motifs. Subsequent phylogenetic comparisons indicated that possessed high similarity function-known genes, revealed evolutionary relationships comparede those other model plants. Analyses physical locations duplications showed duplication events lower than plants, which may led increase functional genes. Various expression patterns tissues observed using expressed-sequence tags database and, alternatively, after southern leaf blight infection or application exogenous salicylic acid. The results study contribute improved understanding family
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