涉及不同层的微RNAs的识别 米 - 麦格纳波特与米的相互作用
Sadam Hussain Bhutto1, Yong Zhu1, Hao Su1
1State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China.
概括
这项研究确定了关键的米米RNAs (miRNAs) 调节对破坏性米爆真菌的免疫力. 它揭示了控制病原体相关分子模式触发免疫 (PTI),效应器触发敏感性 (ETS) 和效应器触发免疫 (ETI) 的特定miRNA.
科学领域:
- 植物病理学 植物病理学
- 分子生物学分子生物学
- 遗传学 是一个遗传学.
背景情况:
- 由Magnaporthe oryzae引起的爆病是全球大米生产的重大威胁.
- 微RNAs (miRNAs) 是植物免疫的关键调节者,但它们在米-M. oryzae相互作用中的特定作用尚未完全理解.
- 了解miRNA参与病原体相关的分子模式触发免疫 (PTI),效应器触发敏感性 (ETS) 和效应器触发免疫 (ETI) 对于开发耐药大米品种至关重要.
研究的目的:
- 系统地识别和描述涉及三种不同层次的米-M. oryzae相互作用的miRNAs:PTI,ETS和ETI.
- 阐明特定miRNAs在调节大米耐药性和易受爆发性真菌的调节功能.
- 绘制一个由miRNA介导的调节网络,控制大米对M. oryzae.的免疫力.
主要方法:
- 小RNA测序用于在M. oryzae相互作用期间对米中的miRNA进行分析.
- 生物信息分析用于识别和分类调节PTI,ETS和ETI的miRNA.
- 实验验证证了精选的miRNAs在不同免疫路径中的作用.
主要成果:
- 总共有441个miRNA被确定,其中13个,30个和14个分别被归类为PTI,ETS和ETI的调节者.
- 发现特定的miRNA可以积极或消极地调节PTI,ETS和ETI,包括先前已知的和一个新的miRNA (miR408-5p).
- 确定miR398b通过促进PTI和ETI而抑制ETS来增强大米耐药性,而其他miRNA如miR397b和miR408-5p则促进了敏感性.
结论:
- 不同的miRNAs在调节三层大米对M. oryzae的免疫力方面发挥着特定的作用.
- 一个全面的miRNA介导的监管网络控制米-M. oryzae相互作用已经被阐明.
- 这些发现为植物抗病机制的分子机制提供了新的见解,并为改善作物提供了潜在的目标.
关键词:
马格纳波特花 (Magnaporthe oryzae) 是一个很大的植物.欧洲贸易贸易协会 (ETI) 是一个国际贸易组织.排放交易系统 (ETS) 是一个.这就是米RNAs.这是一个PTI PTI.大米爆发性疾病是什么?小RNA测序的小RNA测序是一个很好的方法.更多相关视频
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