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

Structure and function of RecQ DNA helicases.

Richard J Bennett1, James L Keck

  • 1Department of Microbiology and Immunology, University of California, San Francisco, California, USA.

Critical Reviews in Biochemistry and Molecular Biology
|June 26, 2004
PubMed
Summary

RecQ helicases are crucial for genome stability, preventing DNA recombination and mutations. Their dysfunction leads to diseases like cancer and premature aging, underscoring their importance in human health.

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

A CandiChrome toolkit for multicolor labeling of <i>Candida</i> cells.

bioRxiv : the preprint server for biology·2026
Same author

Visualization of the complete preprimosome reveals the structural mechanisms governing DNA replication restart.

Nature communications·2026
Same author

Candidalysin promotes fungal-specific Th17 CD4 T cell differentiation and protective systemic immunogenicity.

Mucosal immunology·2026
Same author

An IL-17-DUOX2 axis controls gastrointestinal colonization by Candida albicans.

Nature communications·2026
Same author

The transcriptional repressor Ssn6 modulates phase separation to regulate fungal gene expression.

mBio·2026
Same author

Visualization of the complete primosome reveals the structural mechanisms governing DNA replication restart.

bioRxiv : the preprint server for biology·2026

Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • RecQ helicases are essential for maintaining genome integrity in living cells.
  • Deficiencies in RecQ proteins result in genomic instability, including increased recombination, chromosome missegregation, and sensitivity to DNA damage.
  • Mutations in human RecQ helicases are linked to cancer predisposition and premature aging syndromes.

Purpose of the Study:

  • To review the biochemical and structural characteristics of RecQ helicases.
  • To elucidate how these molecular features contribute to their cellular functions in genome maintenance.
  • To highlight the role of RecQ helicases in preventing excessive DNA recombination.

Main Methods:

  • Literature review of biochemical and structural studies on RecQ helicases.
  • Analysis of existing data on the cellular functions of RecQ proteins.
  • Integration of biochemical, structural, and cellular data to explain RecQ helicase mechanisms.

Main Results:

  • RecQ helicases participate in DNA replication, stabilizing replication forks and resolving recombination intermediates.
  • Their functions are critical for preventing genomic instability.
  • Interactions with DNA replication and recombination machinery underpin their cellular roles.

Conclusions:

  • RecQ helicases are vital for preventing excessive DNA recombination and maintaining genome integrity.
  • Understanding their biochemical and structural properties is key to comprehending their cellular roles.
  • RecQ helicase dysfunction has significant implications for human health, including cancer and aging.

Related Experiment Videos