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Recyclable CRISPR/Cas9-mediated gene disruption and deletions in Histoplasma

Bastian Joehnk1, Nebat Ali1, Mark Voorhies1

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

Msphere
|October 11, 2023
PubMed
Abstract

Insights

Researchers developed a new CRISPR/Cas9 system for efficient gene disruption in Histoplasma. This breakthrough accelerates the study of fungal virulence factors and disease mechanisms.

Area of Science:

  • Medical Mycology
  • Molecular Biology
  • Genetics

Background:

  • Histoplasma is a fungal pathogen causing systemic disease in mammals.
  • Current genetic manipulation methods in Histoplasma are inefficient and challenging.
  • Efficient gene targeting is crucial for understanding Histoplasma virulence.

Purpose of the Study:

  • To develop a highly efficient method for targeted gene disruption in Histoplasma.
  • To overcome limitations of existing genetic manipulation techniques.
  • To facilitate the study of Histoplasma virulence strategies.

Main Methods:

  • Development of a recyclable CRISPR/Cas9 system.
  • Application of the system for introducing gene disruptions in Histoplasma.
  • Assessment of gene disruption efficiency.

Main Results:

  • The developed CRISPR/Cas9 system enables highly efficient gene disruption in Histoplasma.
  • The system allows for the disruption of multiple genes.
  • This method significantly improves targeted mutagenesis in Histoplasma.

Conclusions:

  • A recyclable CRISPR/Cas9 system provides an efficient tool for genetic manipulation of Histoplasma.
  • This advancement will accelerate research into Histoplasma pathogenesis and virulence.
  • The system holds potential for broader applications in fungal genetics.
Keywords:
CRISPRHistoplasmafungal pathogenesisgenome editing

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