相关实验视频
Updated: Jul 16, 2025

09:00
A Multi-detection Assay for Malaria Transmitting Mosquitoes
Published on: February 28, 2015
13.2K
PacBio下一代测序揭示了不同息地的Apicomplexa多样性
Mahmoud Gad1, Mariam E Fawzy2, Ahmad Z Al-Herrawy3
1Environmental Parasitology Laboratory, Water Pollution Research Department, National Research Centre, Giza, 12622, Egypt. mi.saleh@nrc.sci.eg.
Scientific reports
|September 12, 2023
概括
这项研究使用先进的测序揭示了埃及河流环境中Apicomplexa寄生虫的多样性. 结果强调了Cryptosporidium和Gregarina作为主要的属,为水质标准提供了信息.
科学领域:
- 环境寄生虫学 环境寄生虫学
- 分子生态学分子生态学
- 微生物生态学 微生物生态学
背景情况:
- 阿皮克姆普莱克萨是显著的细胞内原生虫寄生虫,在各种宿主中引起疾病.
- 在河流生态系统中,特别是埃及,关于Apicomplexa多样性的数据有限.
- 了解寄生虫的分布对于公共卫生和环境管理至关重要.
研究的目的:
- 研究埃及河流环境中的Apicomplexa taxa的多样性和组成.
- 为了将Apicomplexa社区结构与环境物理化学参数相关联.
- 为水质评估和管理提供基线数据.
主要方法:
- 使用PacBio技术进行下一代高通量18SrRNA扩增子测序.
- 分析物理化学参数及其与寄生虫群落的关系.
- 统计分析包括PCA,PCoA,PERMANOVA,ANOSIM,集群分析和Venn图.
主要成果:
- 在物理化学参数和Apicomplexa社区中观察到息地异质性.
- 确定了主要的属:格雷加里纳 (入口),巴贝西亚 (出口) 和克里普托斯波里迪姆 (地表水).
- 在埃及,首次对Apicomplexa寄生虫进行全面的高通量测序,揭示了多种不同的种类.
结论:
- 高通量测序提供了埃及河流系统中Apicomplexa寄生虫的广泛概述.
- 这些发现可以为制定饮用水和废水再利用标准提供信息.
- 需要进一步的研究才能充分了解这些寄生虫对生态和健康的影响.
相关概念视频
Diversity of Protists II
38
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...
38
Diversity of Protists IV
37
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...
37
Diversity of Protists I
35
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...
35
Diversity of Protists III
47
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,...
47
Diversity of Archaea IV
51
Hyperthermophilic archaea are a group of extremophiles thriving at temperatures above 80°C, often in hydrothermal vents and volcanic soils where conditions surpass the boiling point of water. At such temperatures, proteins, membranes, and DNA in most organisms degrade, but hyperthermophiles have evolved remarkable adaptations to maintain stability and function.Unique Cellular FeaturesHyperthermophilic membranes are composed of a monolayer of biphytanyl tetraether lipids, which resist...
51
Diversity of Archaea III
32
Crenarchaeota, a prominent phylum of Archaea, is remarkable for its ability to thrive in extreme environments characterized by high temperatures and acidity. These microorganisms inhabit sulfuric hot springs, volcanic systems, and submarine hydrothermal vents, where temperatures often exceed 100°C. The unique adaptations of Crenarchaeota not only allow survival under such extreme conditions but also provide insights into the mechanisms of life in primordial Earth-like...
32

