相关实验视频
Updated: Sep 19, 2025

12:00
A Practical Guide to Phylogenetics for Nonexperts
Published on: February 5, 2014
35.5K
树木中心 (TreeHub):一个关于家族遗传树的综合数据集
Ping Wu1, Yawei Cao2,3,4, Jiajie Yang2,3,4
1College of Life Science, Sichuan Normal University, Chengdu, Sichuan, 610101, China.
Scientific data
|June 2, 2025
概括
我们开发了一种自动化方法,从研究论文中提取族系遗传数据,创建了TreeHub数据库. 这个资源提供了135,502棵遗传树,以促进生物多样性和进化研究.
科学领域:
- 进化生物学是进化的生物学.
- 生物信息学是一种生物信息学.
- 计算生物学是一种计算生物学.
背景情况:
- 遗传关系是生物学研究的基础.
- 现有的遗传树资源受到有限的覆盖和数据稀缺的影响.
- 现代生物学研究需要准确和全面的遗传学数据集.
研究的目的:
- 开发一种自动化的方法,从科学文献中提取遗传学数据.
- 构建一个全面和可靠的遗传树的数据库.
- 促进生物多样性和进化论的研究.
主要方法:
- 从科学论文和公共数据库中自动提取数据.
- 整合物种信息的整合.
- 构建了TreeHub数据库.
主要成果:
- 开发了一种用于提取遗传学数据的新型自动化方法.
- 创建了TreeHub,一个包含135,502棵遗传树的数据集.
- 该数据集来自609个期刊的7,879篇研究文章.
结论:
- TreeHub为科学界提供了一个可靠和可访问的资源.
- 该数据库将加速生物多样性研究和进化理论方面的创新.
- 高密度的家族遗传数据支持先进的生物研究.
相关概念视频
Phylogenetic Trees
47.3K
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.
47.3K
Evolutionary Relationships through Genome Comparisons
6.2K
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...
6.2K
Phylogeny
48.2K
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.
48.2K
The Tree of Life - Bacteria, Archaea, Eukaryotes
34.5K
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...
34.5K
The Tree of Life - Bacteria, Archaea, and Eukaryotes
17.3K
17.3K
Modern Molecular Taxonomy
159
Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
159

