植物内生细菌群体,核心种群,和功能变异在果实体内的Laccaria
Kaixuan Zhang1,2, Xin Chen3, Xiaofei Shi1
1The Germplasm Bank of Wild Species & Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
Microorganisms
|November 27, 2024
概括
拉卡里亚菌果实体内的细菌群体受到位置和真菌遗传学的影响. 这些内性细菌包括植物生长促进剂和潜在的有害微生物.
科学领域:
- 菌类学和微生物生态学
- 细菌学 细菌学是一门学科.
- 菌内植物研究 菌内植物研究
背景情况:
- 大型真菌拥有多样化的微生物群落,特别是它们的果实体内的细菌,形成复杂的共生关系.
- 了解这些内菌细菌对于理解真菌生态和潜在应用至关重要.
研究的目的:
- 为了研究细菌多样性,社区结构和七种Laccaria真菌物种中的细菌组的功能概况.
- 确定塑造这些内菌细菌群落的关键因素.
主要方法:
- 16S rRNA基因测序用于分析来自中国云南四个不同地点收集的Laccaria果实体中的细菌群落.
- 使用网络分析来了解功能分组和主导细菌种类.
主要成果:
- 总共有16,577种细菌安普利康序列变异 (ASV) 被确定,其中23种在所有样本中共享.
- *Allorhizobium*-*Neorhizobium*-*Pararhizobium*-*Rhizobium*复合体是最为丰富的细菌群体. 这种复合体是最为丰富的细菌群.
- 细菌的多样性和功能受到地理位置,息地和真菌基因型的显著影响,而不是果实体类型.
结论:
- *Laccaria*中的内性细菌群体是由环境和宿主遗传因素塑造的.
- 鉴定到的细菌包括促进植物生长的物种和潜在的致病细菌,突出了生态和健康的影响.
相关概念视频
01:30Bacterial Phylum Actinobacteria
Coryneform bacteria are gram-positive, aerobic, nonmotile rods that exhibit irregular, club-shaped, or V-shaped arrangements. Their V-shape results from snapping division, where the inner cell wall layer forms the cross-wall, while the outer layer remains intact until it ruptures on one side, causing the daughter cells to bend away.The primary genera are Corynebacterium and Arthrobacter. Corynebacterium includes diverse species, ranging from saprophytes to pathogens like Corynebacterium...
01:27Bacterial Phylum Firmicutes
Firmicutes is a diverse phylum of Gram-positive bacteria characterized by a low GC content in their genomes. This phylum includes organisms with monoderm or diderm cell envelopes, highlighting a complex evolutionary history. Firmicutes comprises several major orders, including Lactobacillales, Clostridiales, and Bacillales, which exhibit remarkable diversity in their morphology, metabolism, and ecological roles.The order Lactobacillales includes lactic acid bacteria, which are fermentative...
01:29Fungal Group Zygomycota
Zygomycota, previously classified as a distinct fungal group, are primarily terrestrial, saprophytic molds that play a crucial role as decomposers. Recent phylogenetic studies have revealed that these fungi are now divided into two major clades — Mucoromycota, which includes many symbiotic species, and Zoopagomycota, which primarily consists of parasitic and pathogenic fungi. These groups exhibit distinct ecological roles and reproductive strategies while sharing key structural and...
01:20Applications of Molecular Taxonomy
Molecular taxonomy has revolutionized the understanding and classification of bacteria, providing precise insights into their diversity, evolutionary relationships, and ecological roles. By utilizing molecular techniques such as DNA sequencing and fingerprinting, researchers have made significant strides in various fields related to bacterial studies.Resolving Taxonomic AmbiguitiesMolecular taxonomy has been instrumental in distinguishing closely related bacterial species initially thought to...
01:26Bacterial Phylum Planctomycetes
Planctomycetes are a group of morphologically distinct bacteria predominantly classified into two orders: Planctomycetales and Brocadiales. These gram-negative bacteria exhibit unique features, including division by budding and the presence of stalks or appendages. Their cells are often found in rosette arrangements, and they are notable for possessing an S-layer in their cell envelope, which is relatively uncommon among bacteria. Additionally, Planctomycetes frequently exhibit intracellular...
02:11The Roles of Bacteria and Fungi in Plant Nutrition
35.1K
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.
35.1K