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

Bacterial chromosome dynamics.

David J Sherratt1

  • 1Division of Molecular Genetics, Department of Biochemistry, University of Oxford, South Parks Road, Oxford OX1 3QU, UK. sherratt@bioch.ox.ac.uk

Science (New York, N.Y.)
|August 9, 2003
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

Acyl carrier protein promotes MukBEF action in Escherichia coli chromosome organization-segregation.

Nature communications·2021
Same author

Competitive binding of MatP and topoisomerase IV to the MukB hinge domain.

eLife·2021
Same author

Nonrandom segregation of sister chromosomes by <i>Escherichia coli</i> MukBEF.

Proceedings of the National Academy of Sciences of the United States of America·2021
Same author

Transient non-specific DNA binding dominates the target search of bacterial DNA-binding proteins.

Molecular cell·2021
Same author

Functional Analysis of the <i>Acinetobacter baumannii</i> XerC and XerD Site-Specific Recombinases: Potential Role in Dissemination of Resistance Genes.

Antibiotics (Basel, Switzerland)·2020
Same author

Organization of the Escherichia coli Chromosome by a MukBEF Axial Core.

Molecular cell·2020
Same journal

Erratum for the Research Article "Detecting supramolecular organic nanoparticles during heat wave".

Science (New York, N.Y.)·2026
Same journal

Local signals, systemic decline.

Science (New York, N.Y.)·2026
Same journal

The mechanics of liver regeneration.

Science (New York, N.Y.)·2026
Same journal

Computing in a memory with physics.

Science (New York, N.Y.)·2026
Same journal

Retraction.

Science (New York, N.Y.)·2026
Same journal

Making time.

Science (New York, N.Y.)·2026
See all related articles

Bacterial chromosomes compact DNA using conserved proteins, similar to eukaryotes. Bacteria segregate replicating DNA without a nucleus or mitotic apparatus, relying on positional cues for cell division.

Area of Science:

  • Microbiology
  • Molecular Biology
  • Cell Biology

Background:

  • Bacterial chromosomes are highly compacted, sharing organizational principles with eukaryotes.
  • Despite lacking a nucleus and chromatin, bacteria utilize conserved proteins for genome maintenance and replication.
  • Common mechanisms for genome integrity and faithful replication exist across life forms.

Purpose of the Study:

  • To explore the similarities and differences in chromosome organization and segregation between bacteria and eukaryotes.
  • To understand the mechanisms bacteria use for DNA segregation in the absence of a nucleus and mitotic apparatus.
  • To investigate the role of positional information in bacterial cell division and chromosome placement.

Main Methods:

  • Comparative analysis of bacterial and eukaryotic chromosome organization.

Related Experiment Videos

  • Review of conserved proteins involved in genome maintenance and replication.
  • Examination of bacterial DNA segregation mechanisms and cell cycle progression.

    • Main Results:

    • Bacterial chromosomes, while not organized into chromatin, exhibit high compaction and utilize conserved proteins.
    • Similarities exist in chromosome segregation principles between bacteria and eukaryotes.
    • Bacteria segregate DNA during replication, lacking a eukaryote-like mitotic apparatus, and use positional cues for division.

    Conclusions:

    • Conserved proteins play a crucial role in bacterial chromosome organization and integrity.
    • Bacterial DNA segregation relies on replication-coupled processes and spatial positioning rather than a mitotic apparatus.
    • Positional information is key in bacteria for determining cell division sites and chromosome localization during the cell cycle.