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Utilization of the internal transcribed spacer regions as molecular targets to detect and identify human fungal

P C Iwen1, S H Hinrichs, M E Rupp

  • 1Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha 68198-6495, USA. piwen@unmc.edu

Medical Mycology
|February 28, 2002
PubMed

Insights

Molecular technology enables rapid fungal detection using internal transcribed spacer (ITS) regions. These fungal DNA targets show promise for diagnosing infections and advancing research.

Area of Science:

  • Mycology
  • Molecular Biology
  • Genetics

Background:

  • Molecular technologies offer rapid fungal detection and identification for various applications.
  • The fungal ribosomal DNA (rDNA) gene complex, including conserved rRNA genes and variable internal transcribed spacer (ITS) regions (ITS1 and ITS2), is a key target.
  • ITS regions, crucial for rRNA function, exhibit species-specific variations valuable for molecular assays.

Purpose of the Study:

  • To review and evaluate clinical approaches utilizing fungal ITS regions as molecular targets.
  • To summarize current applications of fungal ITS sequences in molecular assays.
  • To assess the potential of ITS regions for fungal characterization and identification.

Main Methods:

  • Literature review of current scientific publications.
  • Evaluation of studies employing fungal ITS sequences for molecular assays.
  • Analysis of applications in culture identification, phylogenetic research, direct detection, and epidemiological typing.

Main Results:

  • Fungal ITS regions are versatile targets with broad applications in molecular assays.
  • ITS sequences are effective for fungal culture identification, phylogenetic analysis, and direct detection from clinical or environmental samples.
  • Molecular typing using ITS regions aids in epidemiological investigations of fungal infections.

Conclusions:

  • Fungal ITS regions demonstrate significant potential as targets for molecular-based fungal identification and characterization.
  • Development of rapid, amplification-based ITS assays can improve the diagnosis of invasive fungal infections.
  • Accurate ITS assays hold the potential to positively impact patient care and outcomes for invasive fungal infections.

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