相关实验视频
Updated: Jun 7, 2025

08:57
Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin
Published on: August 14, 2018
15.8K
为微生物组数据分析构建家族遗传树:一个小小的回顾
Ruitao Liu1, Xi Qiao1, Yushu Shi2
1Department of Population and Quantitative Health Sciences, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, 44106, OH, United States.
Computational and structural biotechnology journal
|November 18, 2024
概括
本综述简化了用于微生物组数据分析的遗传学树结构. 它指导研究人员使用这些必不可少的工具,从16S rRNA和全基因组猎枪测序数据中获得更准确的见解.
科学领域:
- 微生物组研究 微生物组研究
- 生物信息学是一种生物信息学.
- 计算生物学 计算生物学
背景情况:
- 下一代测序产生了大量的微生物群数据,需要先进的分析方法.
- 遗传学信息对于准确的微生物组分析至关重要,但从元基因组数据构建树是具有挑战性的.
- 对于下游研究人员来说,现有的遗传树构建工具往往很难使用,公共数据集经常缺乏这些树.
研究的目的:
- 为微生物组数据提供全方位的基因树构造技术综述.
- 概述16S rRNA和全基因组猎枪测序的当前方法的优点和局限性.
- 提供指导,使这些工具在定量微生物组分析中更容易获得和适用.
主要方法:
- 对微生物组数据的遗传树构建方法现有文献的审查.
- 分析标记基因鉴定对元基因组和全基因组猎枪测序的挑战.
- 对下游研究人员当前生物信息学工具的可用性和可访问性的评估.
主要成果:
- 对于16S rRNA基因测序存在既定方法,但对元基因组和全基因组枪枪测序的强大工具很少.
- 下游研究人员往往缺乏意识,或面临使用可用的遗传树构建工具的困难.
- 公共微生物组数据集通常只提供丰富性和分类学数据,省略了家族遗传树.
结论:
- 对于各种微生物组测序数据,需要更容易获得和更易于使用的家族遗传树构建工具.
- 需要指导和专家见解来弥合上游生物信息学和下游数据分析之间的差距.
- 植物遗传树木的可访问性改善将提高定量微生物组研究的准确性和深度.
相关概念视频
Evolutionary Relationships through Genome Comparisons
5.7K
Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
5.7K
Phylogenetic Trees
45.2K
Phylogenetic trees come in many forms. It matters in which sequence the organisms are arranged from the bottom to the top of the tree, but the branches can rotate at their nodes without altering the information. The lines connecting individual nodes can be straight, angled, or even curved.
45.2K
Applications 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...
Phylogeny
43.7K
Phylogeny is concerned with the evolutionary diversification of organisms or groups of organisms. A group of organisms with a name is called a taxon (singular). Taxa (plural) can span different levels of the evolutionary hierarchy. For instance, the group containing all birds is a taxon (comprising the class Aves), and the group of all species of daisies (the genus Bellis) is a taxon. Phylogenies can likewise include just one genus (i.e., depict species relationships) or span an entire kingdom.
43.7K
Microbial Classification System
1
Classification is the process of organizing organisms into hierarchically inclusive groups based on their phenotypic similarities or evolutionary relationships. A species comprises one or more strains, and closely related species are grouped into genera. Genera are further classified into families, families into orders, orders into classes, and so forth, up to the domain level, which is the broadest taxonomic rank derived from a combination of phenotypic and genotypic data.The nomenclature of...
1
The Tree of Life - Bacteria, Archaea, Eukaryotes
32.2K
The “tree of life” describes the evolution of life and the evolutionary relationships between organisms. The root of the tree is the common ancestor to all life on Earth. All other species radiate from this point, much like the branches of a tree. The numerous tips of these branches on the tree of life represent every living, or extant, species. Extinct species, which are species that no longer exist, can be found towards the center of the tree. Currently, these organisms, both...
32.2K

