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

Mapping evolution with ribosome structure: intralineage constancy and interlineage variation.

J A Lake, E Henderson, M W Clark

    Proceedings of the National Academy of Sciences of the United States of America
    |October 1, 1982
    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

    Creation and evaluation of a gender diversity focused cultural competency training for phlebotomists: Study protocol for a randomized controlled trial.

    Heliyon·2025
    Same author

    Stomatal development and CO<sub>2</sub> : ecological consequences.

    The New phytologist·2021
    Same author

    An in vitro study of the effect of the optimal irrigation solution conditions during canine articular surgery.

    Veterinary research communications·2019
    Same author

    Pilot feasibility randomized clinical trial of negative-pressure wound therapy versus usual care in patients with surgical wounds healing by secondary intention.

    BJS open·2018
    Same author

    Homeless.

    The Hospital·2018
    Same author

    Metropolitan Association for Befriending Young Servants.

    The Hospital·2018

    Ribosomal small subunit structures reveal distinct patterns across eubacterial, archaebacterial, and eukaryotic lineages. These structural variations provide a robust framework for phylogenetic classification and understanding evolutionary relationships.

    Area of Science:

    • Structural biology
    • Evolutionary biology
    • Microbiology

    Background:

    • Ribosomal small subunits exhibit conserved structures within eubacterial, archaebacterial, and eukaryotic lineages.
    • Distinct structural features differentiate these three primary domains of life.

    Purpose of the Study:

    • To analyze the three-dimensional structure of ribosomal small subunits across different life forms.
    • To establish a phylogenetic basis for classifying organisms based on ribosomal structure.
    • To provide a framework for understanding the evolution of early life forms.

    Main Methods:

    • Comparative analysis of ribosomal small subunit three-dimensional structures.
    • Identification of conserved and divergent structural elements, such as the archaebacterial bill and eukaryotic lobes.

    Related Experiment Videos

    Main Results:

    • Eubacterial, archaebacterial, and eukaryotic ribosomal small subunits share a common core structure.
    • Unique features, the archaebacterial bill and eukaryotic lobes, distinguish these lineages.
    • Structural conservation within lineages supports their status as primitive lines.

    Conclusions:

    • Ribosomal small subunit structure provides a reliable method for organism classification and lineage identification.
    • Structural data corroborate previous phylogenetic proposals, such as that of Woese and Fox.
    • Interlineage structural variations offer insights into the evolutionary history of life.