在古代和现代小麦品种根系中,内层微生物群的分化
Solène Mauger1, Claire Ricono1, Cendrine Mony1
1Université de Rennes 1 CNRS UMR6553 ECOBIO Rennes Cedex France.
Plant-environment interactions (Hoboken, N.J.)
|June 7, 2023
概括
现代的小麦品种比古代品种拥有更多的根病原体,这表明植物育种对微生物群落有有益的影响. 这凸显了在发展可持续农业时需要考虑植物微生物共生.
科学领域:
- 农业科学 农业科学
- 微生物学 微生物学
- 植物生物学 植物生物学
背景情况:
- 现代农业实践,包括植物育种和人工农业生态系统,可能会损害植物管理其根微生物群的自然能力.
- 这种变化可能会导致对有益微生物的抗性降低,并增加现代品种对病原体的敏感性.
研究的目的:
- 研究植物育种对小麦品种根内层微生物群的影响.
- 为了比较微生物群落的组成,病原体负载,以及古代和现代小麦品种之间的交叉作物的反应.
主要方法:
- 一个实地实验比较了三种古老和三种现代小麦品种,种植在单一栽培和混合.
- 使用安普利康质量测序分析小麦根内层微生物群的分析.
- 基于成分的聚类和微生物群落的标志物种的识别.
主要成果:
- 在古代和现代小麦品种之间观察到细菌和真菌微生物群组成的显著差异.
- 与古代品种相比,现代品种表现出更丰富的细菌和真菌病原体.
- 现代品种的混合物显示出协同作用,导致根内层菌群丰富度高于预测.
结论:
- 植物育种显著影响与根相关的微生物群,影响病原体的易感性.
- 评估品种的内层微生物群组成对于农业诊断至关重要.
- 整合植物微生物共生的全生物视角对于开发下一代农业实践和作物选择至关重要.
相关概念视频
Modern Molecular Taxonomy
56
Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
56
Overview of Archaea
53
Archaea, named after the Archaean eon, represent a unique domain of life, distinct from bacteria and eukaryotes, with remarkable traits. Their cellular and molecular features, ecological adaptability, and industrial relevance highlight their importance in understanding life processes and leveraging biotechnology.Cellular and Molecular CharacteristicsA defining feature of archaea is their unique membrane composition. Archaeal membranes contain ether-linked isoprenoid lipids, which confer...
53
Diversity of Archaea II
39
Archaea, one of the three domains of life, exhibit remarkable diversity and adaptability, thriving in both extreme and moderate environments. Historically, most identified archaea have been classified into two major phyla: Euryarchaeota and Crenarchaeota. However, recent molecular studies have expanded this classification to include three additional phyla: Thaumarchaeota, Nanoarchaeota, and Korarchaeota, each exhibiting unique characteristics and ecological roles.Thaumarchaeota: Mesophiles...
39
The Roles of Bacteria and Fungi in Plant Nutrition
36.3K
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.
36.3K


