机器学习用于理解沿海水域内疹病毒的环境变异性
Bailey M Magers1, Kyle D Brumfield2,3, Sunil Kumar1
1Geohealth and Hydrology Laboratory, Department of Environmental Engineering Sciences, University of Florida, Gainesville, Florida, USA.
Applied and environmental microbiology
|August 14, 2025
概括
由于气候变化,肌病例在美国东海岸向北移动,其中Vibrio alginolyticus,Vibrio fluvialis和Vibrio parahaemolyticus显示出最大的变化. 温度和盐度等环境因素是这种趋势的关键驱动因素.
科学领域:
- 环境微生物学环境微生物学
- 细菌生态学 细菌生态学
- 传染病流行病学 传染病流行病学
背景情况:
- 维布里奥病毒 spp. 是重要的海洋细菌受到环境条件的影响.
- 近年来,Vibrio spp.的频率和地理范围增加. 美国东海岸的感染.
- 了解度分布趋势对于预测和管理病毒病爆发至关重要.
研究的目的:
- 分析Vibrio spp. 的度分布趋势. 从1990年到2019年,美国东海岸的感染.
- 确定影响关键维布里奥物种发生和扩散的环境因素.
- 为了建模环境参数与Vibrio spp.之间的关系. 病例的存在/缺席.
主要方法:
- 利用了CDC霍乱和其他病毒病监测系统 (在美国东海岸200公里以内) 的数据.
- 使用极端梯度提升 (XGBoost) 机器学习算法来建模Vibrio spp. 病例发生率.
- 应用的k-means对与病发病率相关的环境参数进行聚类.
主要成果:
- 总病例的北极极限每年增加约40公里.
- 菌Alginolyticus,V. fluvialis和V. parahaemolyticus表现出最大的向北移动 (大约是从北方移动到北方移动). 70公里/年,60公里/年和60公里/年,分别).
- 温度和盐度是Vibrio spp.最重要的预测因素. 存在,植物浮游生物和降水也发挥了区分作用.
结论:
- 环境因素,特别是温度和盐度,正在推动Vibrio spp.向北扩散. 沿着美国东海岸.
- 观察到的度变化表明,病毒病的流行病学正在发生变化.
- 目前正在进行的研究旨在开发Vibrio spp.的全球预测风险模型. 感染. 感染.
相关概念视频
Environmental Applications of Microorganisms
242
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
242
Testing Water Quality
185
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
185
Applications of Molecular Taxonomy
103
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...
103
Variability: Analysis
190
Measures of variability are statistical metrics that reveal the dispersion pattern within a dataset. They are pivotal in biostatistics, providing insights into the heterogeneity within health and biological data. Variability signifies the degree to which data points diverge from one another, helping researchers understand the potential range of values and associated uncertainty within the data.
The range is a simple measure of variability, indicating the difference between the highest and...
The range is a simple measure of variability, indicating the difference between the highest and...
190
Diversity of Protists IV
123
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...
123
Diversity of Protists III
127
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,...
127


