Genome-Wide Prediction and Analysis of Oryza Species NRP Genes in Rice Blast Resistance

文献类型： 外文期刊

第一作者： Liang, Dong

作者： Liang, Dong;Yu, Junjie;Song, Tianqiao;Zhang, Rongsheng;Du, Yan;Yu, Mina;Cao, Huijuan;Pan, Xiayan;Qiao, Junqing;Liu, Youzhou;Qi, Zhongqiang;Liu, Yongfeng

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关键词： Oryza species; NRP genes; conserved evolution; bZIP50 TF; rice immune response

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：6.208； 五年影响因子：6.628 ）

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年卷期： 2022 年 23 卷 19 期

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收录情况： SCI

摘要： Members of the N-rich proteins (NRPs) gene family play important roles in the plant endoplasmic reticulum stress in response, which can be triggered by plant pathogens' infection. Previous studies of the NRP gene family have been limited to only a few plants, such as soybean and Arabidopsis thaliana. Thus, their evolutionary characteristics in the Oryza species and biological functions in rice defense against the pathogenic fungus Magnaporthe oryzae have remained unexplored. In the present study, we demonstrated that the NRP genes family may have originated in the early stages of plant evolution, and that they have been strongly conserved during the evolution of the Oryza species. Domain organization of NRPs was found to be highly conserved within but not between subgroups. OsNRP1, an NRP gene in the Oryza sativa japonica group, was specifically up-regulated during the early stages of rice-M. oryzae interactions-inhibited M. oryzae infection. Predicted protein-protein interaction networks and transcription-factor binding sites revealed a candidate interactor, bZIP50, which may be involved in OsNRP1-mediated rice resistance against M. oryzae infection. Taken together, our results established a basis for future studies of the NRP gene family and provided molecular insights into rice immune responses to M. oryzae.

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