在大米叶上的微生物群的恒常性是由素生物合成的前体分子调节的
Pin Su1, Houxiang Kang2, Qianze Peng3,4
1State Key Laboratory of Hybrid Rice and Institute of Plant Protection, Hunan Academy of Agricultural Sciences, Changsha, 410125, China.
Nature communications
|January 3, 2024
概括
研究人员确定了一种植物代谢物4-基酸 (4-HCA) 与大米植物界微生物组之间的直接联系. 这一发现为通过有针对性的育种策略开发抗病米品种提供了新的途径.
科学领域:
- 微生物学 微生物学
- 植物科学 植物科学
- 遗传学 是一个遗传学.
背景情况:
- 植物叶子上存在的植物界微生物群非常多样化,但其组装机制尚不清楚.
- 了解宿主-微生物相互作用对于植物卫生和农业应用至关重要.
研究的目的:
- 为了研究大米植物圈微生物群的宿主驱动的组装机制.
- 确定大米及其相关微生物之间的特定遗传和代谢联系.
主要方法:
- 全基因组关联研究 (GWAS) 以将大米基因型与微生物群落联系起来.
- 代谢物分析以确定影响微生物组成的关键化合物.
- 基因淘汰实验验验证宿主-微生物的关联.
主要成果:
- 在大米基因型和特定细菌类 (Pseudomonadales,Burkholderiales,Enterobacterales,Xanthomonadales) 之间发现了强烈的关联.
- 由OsPAL02合成的4-基胺酸 (4-HCA) 是 Pseudomonadales 丰富的驱动因素.
- OsPAL02的淘汰导致了微生物失生症,并增加了大米的疾病易感性.
结论:
- 一种特定的植物代谢物 (4-HCA) 直接影响植物界微生物群落结构.
- 这为宿主对植物圈微生物群的控制提供了分子基础.
- 鉴定了宿主-代谢物-微生物的联系,为培育抗病水品种提供了新的可能性.
更多相关视频
11:33Investigating Interactions Between Histone Modifying Enzymes and Transcription Factors in vivo by Fluorescence Resonance Energy Transfer
Published on: October 14, 2022
1.6K
06:57Author Spotlight: Advancing Gene Editing in Bamboo Leaves for Sustainable Plastic Alternatives
Published on: August 18, 2023
1.6K
相关概念视频
Riboswitches
8.1K
Riboswitches are non-coding mRNA domains that regulate the transcription and translation of downstream genes without the help of proteins. Riboswitches bind directly to a metabolite and can form unique stem-loop or hairpin structures in response to the amount of the metabolite present. They have two distinct regions – a metabolite-binding aptamer and an expression platform.
The aptamer has high specificity for a particular metabolite which allows riboswitches to specifically regulate...
The aptamer has high specificity for a particular metabolite which allows riboswitches to specifically regulate...
8.1K
Regulation of Expression at Multiple Steps
914
The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the...
914
The Roles of Bacteria and Fungi in Plant Nutrition
35.5K
Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
35.5K
Cell Signaling in Plants
5.6K
Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...
5.6K
Types of RNA
63.7K
Overview
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
63.7K
