Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

The Tree of Life - Bacteria, Archaea, Eukaryotes02:40

The Tree of Life - Bacteria, Archaea, Eukaryotes

40.5K
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...
40.5K
Phylogenetic Trees03:21

Phylogenetic Trees

50.5K
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.
50.5K
Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

7.1K
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...
7.1K
Phylogeny01:23

Phylogeny

63.7K
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.
63.7K
The Tree of Life - Bacteria, Archaea, and Eukaryotes02:40

The Tree of Life - Bacteria, Archaea, and Eukaryotes

25.3K
25.3K
Modern Molecular Taxonomy01:29

Modern Molecular Taxonomy

781
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...
781

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Human systemic and mucosal immune responses support further exploration of a Klebsiella pneumoniae protein-based vaccine.

Vaccine·2026
Same author

A more complete picture: capturing single nucleotide variant diversity in extended-spectrum beta-lactamase producing <i>Escherichia coli</i> using post-enrichment metagenomics.

Microbial genomics·2026
Same author

The presence of the wAnD strain of Wolbachia is correlated with lower levels of Plasmodium sporozoites and a less diverse microbiome in wild Anopheles demeilloni mosquito cephalothoraxes.

Gates open research·2026
Same author

Contribution of nosocomial transmission to Klebsiella pneumoniae neonatal sepsis in Africa and South Asia: An observational study of infection clusters inferred from pathogen genomics and temporal data.

PLoS medicine·2026
Same author

Temporal genomic dynamics of sequence type 39 <i>Klebsiella pneumoniae</i> in a neonatal unit in Blantyre, Malawi.

Microbial genomics·2026
Same author

Genomic analysis of <i>Klebsiella aerogenes</i> circulating in New Mexico.

Microbial genomics·2026

Related Experiment Video

Updated: Mar 2, 2026

A Practical Guide to Phylogenetics for Nonexperts
12:00

A Practical Guide to Phylogenetics for Nonexperts

Published on: February 5, 2014

36.2K

Reshaping the tree of life.

Eva Heinz1, Daryl Domman1

  • 1Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SA, UK.

Nature Reviews. Microbiology
|May 13, 2017
PubMed
Summary

Metagenomics is revealing diverse microorganisms in the environment. This research expands our understanding of microbial diversity and the evolution of life on Earth.

Area of Science:

  • Microbiology
  • Evolutionary Biology
  • Genomics

Background:

  • The study of microbial life is crucial for understanding ecological processes.
  • Traditional methods have limitations in capturing the full scope of microbial diversity.

Purpose of the Study:

  • To highlight advancements in metagenomics.
  • To showcase how metagenomics reveals environmental microbial diversity.
  • To discuss the impact of metagenomics on evolutionary biology.

Main Methods:

  • Metagenomic sequencing techniques.
  • Bioinformatic analysis of environmental DNA.
  • Comparative genomics.

Main Results:

  • Metagenomics continues to uncover vast microbial diversity.

More Related Videos

Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin
08:57

Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin

Published on: August 14, 2018

16.6K
A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles
10:23

A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles

Published on: July 11, 2025

723

Related Experiment Videos

Last Updated: Mar 2, 2026

A Practical Guide to Phylogenetics for Nonexperts
12:00

A Practical Guide to Phylogenetics for Nonexperts

Published on: February 5, 2014

36.2K
Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin
08:57

Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin

Published on: August 14, 2018

16.6K
A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles
10:23

A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles

Published on: July 11, 2025

723
  • Environmental microbial communities are more complex than previously known.
  • New insights into evolutionary pathways are emerging.

    • Conclusions:

    • Metagenomics is a powerful tool for exploring microbial ecosystems.
    • This approach is reshaping our understanding of life's evolution.
    • Continued research will further illuminate microbial roles and evolutionary history.