揭示隐藏的病毒生物多样性和潜在的生态功能与全球珊瑚全生物病毒群数据库
Mengjie Wu1,2, Xiaobin Wen2, Shuchen Liu2
1Marine Ecology and Human Factors Assessment Technical Innovation Center of Natural Resources Ministry, Tsinghua Shenzhen International Graduate School, Shenzhen, Guangdong Province, P. R. China.
NPJ biofilms and microbiomes
|February 27, 2026
概括
珊瑚病毒是珊瑚礁生态系统的关键调节者,影响微生物多样性和营养循环. 这项研究揭示了它们在珊瑚全生物健康和生产力方面的重要,以前被低估的作用.
科学领域:
- 海洋微生物学和病毒学.
- 珊瑚礁生态和共生.
- 生物地质化学循环和营养动态.
背景情况:
- 病毒是珊瑚全生物体的关键但未被充分研究的组成部分.
- 它们在微生物多样性,共生和达尔文悖论中的作用基本上是未知的.
- 了解病毒影响对于珊瑚礁健康至关重要.
研究的目的:
- 描述全球珊瑚全生物病毒组及其生态功能.
- 调查宿主身份和地理对病毒社区的影响.
- 阐明病毒在珊瑚全生物代谢和营养循环中的作用.
主要方法:
- 创建了全球珊瑚全息生物病毒基因数据库 (GCHVD),其中包含76,755个病毒结合体和36,860个VOTU.
- 对36种珊瑚物种和18个地区的病毒社区结构的分析.
- 构建病毒-微生物相互作用网络和辅助代谢基因 (AMG) 的功能概况.
- 控制的微观实验,以评估病毒对微生物群落和元素循环的影响.
主要成果:
- 珊瑚病毒组主要由乌罗维里科塔,核细胞维里科塔,甲状腺维里科塔和甲状腺维里科塔主导,其生活方式主要是性的.
- 宿主身份是病毒社区结构的主要驱动因素,比地理位置更重要.
- 病毒通过辅助代谢基因增强生物地球化学循环 (P,Fe,S,N,CH4).
- 实验中的病毒添加重塑了微生物组成,增加了多样性,并刺激了元素循环.
结论:
- 病毒是关键的,被忽视的珊瑚全生物动态的调节者.
- 它们协调微生物群落,影响营养流动,并维持珊瑚礁的生产力.
- 这项研究为解决达尔文悖论和了解珊瑚礁健康提供了病毒生态视角.
相关概念视频
Diversity of Protists II
1.5K
Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
1.5K
Diversity of Protists III
1.4K
Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...
1.4K
Diversity of Protists I
1.6K
Excavata is a diverse group of protists that includes both chemoorganotrophic and phototrophic species, with some thriving in anaerobic environments. Among the key groups within Excavata are diplomonads and parabasalids, which are flagellated protists that lack mitochondria and chloroplasts. These microorganisms typically inhabit anoxic environments, such as the intestines of animals, where they exist either symbiotically or as parasites, relying on fermentation for energy production. Some...
1.6K
Diversity of Protists IV
1.4K
Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...
1.4K
Applications of Molecular Taxonomy
633
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...
633
Biodiversity and Human Values
17.5K
Human civilization relies on biodiversity in many ways. Sudden changes in species biodiversity result in environmental changes that can modify weather patterns and therefore human civilizations.
17.5K


