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

The missing link between hydrogenosomes and mitochondria.

William Martin1

  • 1Institut für Botanik III, Heinrich-Heine Universität Düsseldorf, Universitätsstrasse 1, 40225 Düsseldorf, Germany. w.martin@uni-duesseldorf.de

Trends in Microbiology
|August 20, 2005
PubMed
Summary
This summary is machine-generated.

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

Intrabony extensions for interim prosthesis positioning in immediate complete-arch loading: A dental technique.

Journal of prosthodontics : official journal of the American College of Prosthodontists·2026
Same author

Upgrade and Downgrade Rates of Fibroepithelial Lesions in a B3 Lesion Cohort: A 15-Year Analysis from a University Hospital.

The British journal of radiology·2026
Same author

A common symptom geometry of mood improvement under sertraline and placebo associated with distinct neural patterns - CORRIGENDUM.

Psychological medicine·2026
Same author

Eutectic Processing of Semiconductor Colloidal Nanocrystals for Energy Applications.

ACS energy letters·2026
Same author

Artificial intelligence facilitated smile design for the rehabilitation of a fully maxillary edentulous patient with a complete arch implant-supported prosthesis: A dental technique.

Journal of prosthodontics : official journal of the American College of Prosthodontists·2026
Same author

Combining xQTL and genome-wide association studies from diverse populations improves druggable gene discovery.

Nature communications·2026
Same journal

Environmental microbes as modulators of plant volatile landscapes: Implications for plant-insect chemical communication.

Trends in microbiology·2026
Same journal

Beyond AMGs: Phage-encoded transcription and sigma factors as understudied virocell reprogramming tools.

Trends in microbiology·2026
Same journal

Cronobacter spp.

Trends in microbiology·2026
Same journal

Anaerobic lignin deconstruction: A game changer for lignocellulosic biorefineries.

Trends in microbiology·2026
Same journal

Critical role of the inflammatory rheostat in influenza-associated pulmonary aspergillosis.

Trends in microbiology·2026
Same journal

Structure-based prokaryotic transcription shapes adaptation and host-invader interplay.

Trends in microbiology·2026
See all related articles

Researchers discovered DNA in hydrogenosomes, organelles found in anaerobic eukaryotes. This finding confirms hydrogenosomes are evolutionarily mitochondria, despite biochemical differences from typical mitochondria.

Area of Science:

  • Cell Biology
  • Evolutionary Biology
  • Microbiology

Background:

  • Mitochondria are vital organelles in eukaryotes, typically performing respiration and containing DNA.
  • Hydrogenosomes are found in anaerobic eukaryotes, producing hydrogen and ATP but usually lacking DNA and cytochromes.
  • The evolutionary origin of hydrogenosomes remains debated, with some viewing them as distinct from mitochondria.

Purpose of the Study:

  • To investigate the evolutionary relationship between hydrogenosomes and mitochondria.
  • To determine if hydrogenosomes possess genetic material and its implications for their origin.

Main Methods:

  • Analysis of DNA sequences within hydrogenosomes of anaerobic ciliates.
  • Comparative analysis of hydrogenosome DNA with known mitochondrial genomes.

Related Experiment Videos

Main Results:

  • DNA was successfully identified within the hydrogenosomes of anaerobic ciliates.
  • Sequence analysis confirmed these hydrogenosomes are evolutionary mitochondria.
  • Despite biochemical differences, the genetic evidence resolves their mitochondrial lineage.

Conclusions:

  • Hydrogenosomes, even those biochemically distinct, are indeed mitochondria in an evolutionary context.
  • This finding challenges narrow definitions of the mitochondrial archetype.
  • The study provides a benchmark for understanding the diverse evolutionary paths of mitochondria.