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Related Experiment Videos

Identification of autonomously replicating sequence (ARS) elements in eukaryotic cells

R K Clyne1, T J Kelly

  • 1Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.

Methods (San Diego, Calif.)
|January 27, 1998
PubMed
Summary
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Autonomously replicating sequence (ARS) elements function as DNA replication origins. This study details a yeast-based ARS assay for studying eukaryotic origin function and presents other detection methods.

Area of Science:

  • Molecular Biology
  • Genetics
  • Yeast Biology

Background:

  • Autonomously replicating sequence (ARS) elements are DNA fragments promoting high-frequency transformation and extrachromosomal plasmid maintenance.
  • These elements function as origins of DNA replication, primarily studied in Saccharomyces cerevisiae and Schizosaccharomyces pombe.
  • Characterization of ARS activity in other eukaryotes remains incomplete.

Purpose of the Study:

  • To describe a yeast-based assay for studying autonomously replicating sequence (ARS) elements.
  • To present the application of this ARS assay for investigating eukaryotic DNA replication origins.
  • To introduce alternative methods for detecting autonomous replication in various eukaryotic systems.

Main Methods:

  • Development of a yeast-based autonomously replicating sequence (ARS) assay.

Related Experiment Videos

  • Application of the ARS assay to study DNA replication origins in diverse eukaryotes.
  • Review and presentation of other available methods for detecting autonomous replication.

    • Main Results:

    • The study details a functional ARS assay developed in yeast.
    • The assay's utility in studying eukaryotic origin function is demonstrated.
    • A compilation of methods for detecting autonomous replication is provided.

    Conclusions:

    • The described yeast ARS assay is a valuable tool for studying DNA replication origins across eukaryotes.
    • This work facilitates broader characterization of ARS activity beyond traditional yeast models.
    • The presented methods enhance the study of eukaryotic DNA replication initiation.