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 Experiment Videos

Cytogenetics and cladistics.

Gauthier Dobigny1, Jean-François Ducroz, Terence J Robinson

  • 1Museum National d'Histoire Naturelle, Laboratoire Origine, Structure et Evolution de la Biodiversité, 55, rue Buffon, F75005 Paris, France. dobigny@sun.ac.za

Systematic Biology
|October 27, 2004
PubMed
Summary

Cytogenetic data can enhance phylogenetic studies by revealing chromosomal homologies. This review proposes a new method for analyzing chromosomal changes, improving phylogenetic reconstruction accuracy.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Genetic structure of Rattus rattus populations in an endemic plague focus in Madagascar: Implications for rodent surveillance and management.

PloS one·2026
Same author

Species delimitation based on phylogenetic analyses of males: A case study revealing the complex evolutionary history of giraffes.

Molecular phylogenetics and evolution·2026
Same author

Native-to-invasive rodent species turn-over within African cities: The example of Niamey, Niger.

PloS one·2025
Same author

<i>Toxoplasma gondii</i> and <i>Trypanosoma lewisi</i> Infection in Urban Small Mammals From Cotonou, Benin, With Special Emphasis on Coinfection Patterns.

Transboundary and emerging diseases·2025
Same author

Plague in Small Mammals from an Endemic Focus of the Malagasy Central Highlands: A Longitudinal Survey with a Special Reference on Black Rats (Rattus rattus).

Integrative zoology·2025
Same author

Seroprevalence and renal carriage of pathogenic Leptospira in livestock in Cotonou, Benin.

Veterinary medicine and science·2024

Area of Science:

  • Evolutionary Biology
  • Genetics
  • Systematics

Background:

  • Chromosomal data offer valuable insights into evolutionary relationships but are underutilized in phylogenetics.
  • Previous methods for incorporating cytogenetic data into phylogenetic analyses were often conceptually flawed.
  • Challenges exist in scoring and interpreting conventional and molecular cytogenetic information for phylogenetic analysis.

Purpose of the Study:

  • To review existing methods for using chromosomal data in phylogenetic investigations.
  • To propose a simplified, cladistically sound approach for analyzing chromosomal characters.
  • To critically evaluate unique cytogenetic features for their phylogenetic utility.

Main Methods:

  • Review of diverse methodologies for incorporating chromosomal data into phylogenetic analyses.

Related Experiment Videos

  • Development and testing of a novel approach treating chromosomal change as a character with presence/absence states.
  • Analysis of simulated and empirical datasets to validate the proposed method.

    • Main Results:

    • Existing methods for chromosomal data integration in phylogenetics have conceptual and practical limitations.
    • The proposed character-state approach demonstrates potential for more accurate phylogenetic reconstruction.
    • Unique cytogenetic features like B-chromosomes and NORs present challenges for phylogenetic analysis due to homology assessment issues.

    Conclusions:

    • Chromosomal data, when analyzed appropriately, can significantly contribute to understanding evolutionary history.
    • The proposed method provides a framework for more robust phylogenetic analyses using cytogenetic information.
    • Rigorous evaluation of homology is crucial when incorporating specific cytogenetic features into phylogenetic studies.