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

Unusual mitochondrial genome structures throughout the Euglenozoa.

Joannie Roy1, Drahomíra Faktorová, Julius Lukes

  • 1Centre Robert Cedergren, Bioinformatics & Genomics, Département de biochimie, Université de Montréal, Montréal, QC, Canada, H3 T 1J4.

Protist
|May 15, 2007
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

Isolation and Cultivation of Diplonemids.

Methods in molecular biology (Clifton, N.J.)·2026
Same author

Preparation of Diplonemid Samples for Microscopy.

Methods in molecular biology (Clifton, N.J.)·2026
Same author

Assembly and Annotation of Kinetoplastid and Diplonemid Mitochondrial Genomes.

Methods in molecular biology (Clifton, N.J.)·2026
Same author

Genetic Manipulation of Paradiplonema papillatum.

Methods in molecular biology (Clifton, N.J.)·2026
Same author

Biochemistry of Diplonemids.

Methods in molecular biology (Clifton, N.J.)·2026
Same author

Eukan: a fully automated nuclear genome annotation pipeline for less studied and divergent eukaryotes.

NAR genomics and bioinformatics·2026
Same journal

Diverse new species and genera of Developea (Stramenopiles) displaying self-aggregation and multiflagellated stages.

Protist·2026
Same journal

Caledochytrium aldermanii gen. Et sp. nov.; a new Labyrinthulomycete displaying a novel reproductive strategy.

Protist·2026
Same journal

Expanding the phylogeny and genetic diversity of the freshwater genus Ceratium highlights contrasting geographic patterns.

Protist·2026
Same journal

Daily changes in the phosphoproteome of the dinoflagellate Lingulodinium polyedra.

Protist·2026
Same journal

Free-living amoeba diversity in river waters of western Brazil and their in vitro and in vivo pathogenic potential.

Protist·2026
Same journal

Impact of environmental factors on the distribution characteristics of phytoplankton functional groups in Beijing.

Protist·2026
See all related articles

Mitochondrial genomes in Euglenozoa feature multiple chromosomes. However, the compact kinetoplast DNA organization seen in trypanosomes is unique to this group within Euglenozoa.

Area of Science:

  • * Molecular Biology
  • * Evolutionary Biology
  • * Cell Biology

Background:

  • * Kinetoplastea, including trypanosomes, possess a unique mitochondrial genome structure with maxicircles and minicircles.
  • * In trypanosomes, these mitochondrial DNA circles are organized into a dense structure called the kinetoplast.
  • * The distribution of these features across the broader Euglenozoa phylum remains incompletely understood.

Purpose of the Study:

  • * To investigate the diversity of mitochondrial genome organization within the Euglenozoa phylum.
  • * To determine if multi-chromosome mitochondrial genomes and kinetoplast-like DNA packaging are exclusive to Kinetoplastea.

Main Methods:

  • * Comparative analysis of mitochondrial DNA (mtDNA) organization.
  • * Light and electron microscopy of selected Euglenozoa species.

Related Experiment Videos

  • * Molecular techniques for genetic analysis.

    • Main Results:

    • * Multi-chromosome mitochondrial genomes are prevalent throughout the Euglenozoa phylum.
    • * The specialized kinetoplast DNA packaging observed in trypanosomes is not found in other Euglenozoa groups studied.
    • * Findings were supported by previous research and new data from diplonemids and euglenids.

    Conclusions:

    • * The multi-chromosome nature of mitochondrial genomes is a conserved trait across Euglenozoa.
    • * The compact kinetoplast structure is a derived characteristic specific to the Kinetoplastea lineage.