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Related Concept Videos

Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

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...
Microbial Phylogeny01:28

Microbial Phylogeny

Understanding the evolutionary relationships among microorganisms is fundamental to microbial ecology and taxonomy. Phylogenetic trees are essential tools for inferring these relationships, relying primarily on comparative analyses of molecular sequences such as DNA, RNA, or proteins. In microbial studies, these trees typically depict the evolutionary paths of diverse bacterial and archaeal species by mapping genetic differences accumulated over time.Phylogenetic trees are composed of tips,...
Phylogenetic Trees03:21

Phylogenetic Trees

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.The length of the branches can depict time or the relative amount of change among organisms. For instance, the branch length might indicate the number of amino acid changes in the sequence that underlies the...
Phylogenetic Trees03:21

Phylogenetic Trees

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.The length of the branches can depict time or the relative amount of change among organisms. For instance, the branch length might indicate the number of amino acid changes in the sequence that underlies the...
Phylogeny01:23

Phylogeny

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...
Gene Evolution - Fast or Slow?02:05

Gene Evolution - Fast or Slow?

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...

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Related Experiment Video

Updated: Jul 7, 2026

Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin
08:57

Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin

Published on: August 14, 2018

Automated simultaneous analysis phylogenetics (ASAP): an enabling tool for phlyogenomics.

Indra Neil Sarkar1, Mary G Egan, Gloria Coruzzi

  • 1MBLWHOI Library, Marine Biological Laboratory, Woods Hole, MA, USA. sarkar@mbl.edu

BMC Bioinformatics
|February 20, 2008
PubMed
Summary
This summary is machine-generated.

Automated Simultaneous Analysis Phylogenetics (ASAP) streamlines the creation of phylogenetic matrices from genomic data. This automation addresses a key bottleneck, enabling faster development of evolutionary hypotheses.

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Last Updated: Jul 7, 2026

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A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles
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Heuristic Mining of Hierarchical Genotypes and Accessory Genome Loci in Bacterial Populations
08:03

Heuristic Mining of Hierarchical Genotypes and Accessory Genome Loci in Bacterial Populations

Published on: December 7, 2021

Area of Science:

  • Genomics
  • Evolutionary Biology
  • Bioinformatics

Background:

  • Whole genome sequencing offers unprecedented potential for reconstructing the tree of life.
  • Manual curation of genomic data for phylogenetic analysis is a significant bottleneck.

Purpose of the Study:

  • To develop an automated technique for assembling multigene/multispecies phylogenetic matrices.
  • To evaluate the significance of individual genes in phylogenetic analyses.

Main Methods:

  • Developed Automated Simultaneous Analysis Phylogenetics (ASAP).
  • ASAP automates the assembly of genomic data into phylogenetic matrices.
  • ASAP evaluates gene significance within phylogenetic hypotheses.

Main Results:

  • ASAP addresses the bottleneck of manual data curation in phylogenomics.
  • The technique keeps pace with the growing volume of genomic data.

Conclusions:

  • ASAP applications may enable re-evaluation of species relationships.
  • Facilitates the development of new phylogenomic hypotheses using genome-scale data.