Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Evolutionary Relationships through Genome Comparisons

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...

Genomics

Genomics

Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...

The Evidence for Evolution

The Evidence for Evolution

Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.The collection of fossils within sedimentary rocks give a record of common ancestry and often depicts the history of evolution.

What is Evolutionary History?

What is Evolutionary History?

Scientists record evolutionary history by analyzing fossil, morphological, and genetic data. The fossil record documents the history of life on Earth and provides evidence for evolution. However, both fossil and living organisms offer evidence that outlines Earth’s evolutionary history.Phylogenetic trees illustrate the evolutionary relationships among these organisms. Scientists infer organisms’ common ancestry by evaluating shared morphological and genetic characteristics. Together, the fossil...

Evolutionary Processes in Microbes

Evolutionary Processes in Microbes

Microbial evolution occurs rapidly due to short generation times and a variety of genetic processes, including horizontal gene transfer, mutation, recombination, and genetic drift. These mechanisms collectively enable microbes to adapt swiftly to changing environments.Horizontal gene transfer (HGT) allows genes to move between different species and occurs through three main mechanisms: conjugation, transformation, and transduction. Conjugation involves direct cell-to-cell contact for DNA...

Eukaryotic Evolution

Eukaryotic Evolution

The endosymbiont theory is the most widely accepted theory of eukaryotic evolution; however, its progression is still somewhat debated. According to the nucleus-first hypothesis, the ancestral prokaryote first evolved a membrane to enclose DNA and form the nucleus. Conversely, the mitochondria-first hypothesis suggests that the nucleus was formed after endosymbiosis of mitochondria.
Contrary to the endosymbiont theory, the eukaryote-first hypothesis proposes that the simpler prokaryotic and...

You might also read

Related Articles

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

Sort by

Same author

Inter-individual gene expression variability implies stable regulation of brain-biased genes across organs in three ray-finned fishes.

bioRxiv : the preprint server for biology·2026

Same author

A non-invasive method to genotype cephalopod sex by quantitative PCR.

iScience·2026

Same author

A genetic model of congenital intestinal atresia implicates Mypt1 in epithelial organisation.

Disease models & mechanisms·2026

Same author

Complete <i>de novo</i> assembly and re-annotation of the zebrafish genome.

bioRxiv : the preprint server for biology·2025

Same author

A non-invasive method to genotype cephalopod sex by quantitative PCR.

bioRxiv : the preprint server for biology·2025

Same author

Genomic and genetic insights into speciation and pigment pattern diversification in <i>Danio</i> fishes.

bioRxiv : the preprint server for biology·2025

Search research articles

Related Experiment Video

Updated: Jul 10, 2026

A Bioinformatics Pipeline for Investigating Molecular Evolution and Gene Expression using RNA-seq

A Bioinformatics Pipeline for Investigating Molecular Evolution and Gene Expression using RNA-seq

Published on: May 28, 2021

Evolutionary developmental biology and genomics.

Cristian Cañestro¹, Hayato Yokoi, John H Postlethwait

¹Institute of Neuroscience, 1425 East 13th Avenue, University of Oregon, Eugene, Oregon 97403, USA.

Nature Reviews. Genetics

|November 17, 2007

Summary

This summary is machine-generated.

Genomics helps answer evolutionary developmental biology questions by revealing historical relationships and toolkit components. This aids understanding how diverse life forms evolve from shared genetic toolkits.

More Related Videos

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Published on: February 3, 2023

4D Microscopy: Unraveling Caenorhabditis elegans Embryonic Development Using Nomarski Microscopy

4D Microscopy: Unraveling Caenorhabditis elegans Embryonic Development Using Nomarski Microscopy

Published on: October 8, 2020

Related Experiment Videos

Last Updated: Jul 10, 2026

A Bioinformatics Pipeline for Investigating Molecular Evolution and Gene Expression using RNA-seq

A Bioinformatics Pipeline for Investigating Molecular Evolution and Gene Expression using RNA-seq

Published on: May 28, 2021

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Published on: February 3, 2023

4D Microscopy: Unraveling Caenorhabditis elegans Embryonic Development Using Nomarski Microscopy

4D Microscopy: Unraveling Caenorhabditis elegans Embryonic Development Using Nomarski Microscopy

Published on: October 8, 2020

Area of Science:

Evolutionary developmental biology (Evo-Devo)
Comparative genomics
Genomic architecture

Background:

Studies in Evo-Devo often address how species with similar genetic toolkits produce diverse forms, or how similar forms arise from different toolkits.
Genomics offers a powerful approach to bridge evolutionary and developmental biology.

Purpose of the Study:

To explore how genomics can answer fundamental questions in Evo-Devo.
To elucidate the role of genomics in understanding evolutionary diversification and developmental mechanisms.

Main Methods:

Utilizing comparative genomics to analyze historical relationships between species.
Inventorying developmental genetic toolkit components through genomic analysis.
Identifying conserved non-coding elements and their genomic context.

Main Results:

Genomics provides insights into evolutionary trajectories and diversification.
Genomic analysis reveals genome expansion and contraction, suggesting mechanisms for evolving developmental functions and genome architecture.
Comparative genomics identifies conserved non-coding elements linked to genome architecture and development.

Conclusions:

Genomics is crucial for understanding the evolution of developmental mechanisms.
Comparative genomics illuminates the relationship between genome architecture, conserved elements, and developmental diversity.
Genomic approaches provide a framework for addressing key Evo-Devo questions.