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相关概念视频

Phylogenetic Trees03:21

Phylogenetic Trees

45.7K
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.
45.7K
Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

5.9K
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...
5.9K
Phylogeny01:23

Phylogeny

44.7K
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.
44.7K
Synteny and Evolution02:31

Synteny and Evolution

3.3K
John H. Renwick first coined the term “synteny” in 1971, which refers to the genes present on the same chromosomes, even if they are not genetically linked. The species with common ancestry tend to show conserved syntenic regions. Therefore, the concept of synteny is nowadays used to describe the evolutionary relationship between species.
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
3.3K
Multi-species Conserved Sequences02:51

Multi-species Conserved Sequences

4.0K
Next-generation sequencing technologies have created large genomic databases of a variety of animals and plants. Ever since the human genome project was completed, scientists studied the genome of primates, mammals, and other phylogenetically distant living beings. Such large-scale  studies have provided new insights into the evolutionary relationship between organisms.
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved...
4.0K
Gene Evolution - Fast or Slow?02:05

Gene Evolution - Fast or Slow?

7.2K
The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
In contrast, regions which code...
7.2K

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相关实验视频

Updated: Jul 26, 2025

Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin
08:57

Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin

Published on: August 14, 2018

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使用共识轮,可视化植物遗传树中的不相容性.

Daniel H Huson1,2, Banu Cetinkaya1,2

  • 1Algorithms in Bioinformatics, University of Tübingen, Tübingen, Germany.

Frontiers in bioinformatics
|June 16, 2023
PubMed
概括
此摘要是机器生成的。

这项研究引入了家族遗传学共识轮,这是一种新的,更简单的方法,用于可视化多个家族遗传树之间的进化关系和不兼容性. 这种方法有助于更有效地理解复杂的进化数据.

关键词:
协商一致的方法 协商一致的方法一个家族遗传网络.人类遗传学是个学科.软件 软件 软件 软件 软件视觉化的可视化

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A Practical Guide to Phylogenetics for Nonexperts
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Optimization of Synthetic Proteins: Identification of Interpositional Dependencies Indicating Structurally and/or Functionally Linked Residues
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Optimization of Synthetic Proteins: Identification of Interpositional Dependencies Indicating Structurally and/or Functionally Linked Residues

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相关实验视频

Last Updated: Jul 26, 2025

Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin
08:57

Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin

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A Practical Guide to Phylogenetics for Nonexperts
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A Practical Guide to Phylogenetics for Nonexperts

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Optimization of Synthetic Proteins: Identification of Interpositional Dependencies Indicating Structurally and/or Functionally Linked Residues
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科学领域:

  • 进化生物学是进化的生物学.
  • 计算型的遗传学学.
  • 生物信息学是一种生物信息学.

背景情况:

  • 遗传学分析通常会产生大量的树木,因为不同的方法和数据.
  • 共识树总结共同点,而共识网络可视化不兼容性,但可能是复杂的.
  • 目前用于可视化树不兼容性的现有方法,由于大小和复杂性,在解释性方面面临挑战.

研究的目的:

  • 引入一种新的可视化方法 - - 遗传学共识轮,用于表示遗传学树之间的不相容性.
  • 提出一个有效的算法,用于计算遗传学共识轮.
  • 为了证明实用性,并与现有的方法比较原始遗传学共识概要.

主要方法:

  • 构建"遗传学共识大纲"概念的发展.
  • 计算共识概要的算法设计.
  • 关于贝叶斯语语言类型学和水基因树的应用和比较.

主要成果:

  • 遗传学共识概要提供了树木不相容性的平面和可解释的可视化.
  • 开发的算法有效地计算这些轮.
  • 在现实世界上的遗传学数据集上表现出有效性.

结论:

  • 遗传学共识概要为复杂的共识网络提供了简化和有效的替代方案.
  • 这种新方法增强了植物遗传不一致的可视化和解释.
  • 这种方法对于分析遗传学中复杂的进化数据集非常有价值.