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Related Concept Videos

Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...

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Related Experiment Video

Updated: Jul 14, 2026

Biolistic Transformation of a Fluorescent Tagged Gene into the Opportunistic Fungal Pathogen Cryptococcus neoformans
07:32

Biolistic Transformation of a Fluorescent Tagged Gene into the Opportunistic Fungal Pathogen Cryptococcus neoformans

Published on: March 19, 2015

Serotype identification of Cryptococcus neoformans by multiplex PCR.

S Ito-Kuwa1, K Nakamura, S Aoki

  • 1Advanced Research Center, Nippon Dental University, Niigata, Japan. kuwas@ngt.ndu.ac.jp

Mycoses
|June 20, 2007
PubMed
Summary

A new multiplex polymerase chain reaction (PCR) method effectively serotypes Cryptococcus neoformans strains. This technique replaces the discontinued Crypto Check kit for identifying fungal serotypes A, D, B, C, and AD.

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Last Updated: Jul 14, 2026

Biolistic Transformation of a Fluorescent Tagged Gene into the Opportunistic Fungal Pathogen Cryptococcus neoformans
07:32

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Published on: March 19, 2015

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Multiplex PCR Assay for Typing of Staphylococcal Cassette Chromosome Mec Types I to V in Methicillin-resistant Staphylococcus aureus

Published on: September 5, 2013

Area of Science:

  • Medical Mycology
  • Molecular Biology
  • Infectious Diseases

Background:

  • Cryptococcus neoformans is a pathogenic yeast with five serotypes (A, D, B, C, AD).
  • Traditional serotyping relied on the Crypto Check kit, discontinued in 2004.
  • A reliable method is needed for accurate C. neoformans serotyping.

Purpose of the Study:

  • To develop a simple and effective polymerase chain reaction (PCR) method for Cryptococcus neoformans serotyping.
  • To provide a molecular alternative to the discontinued Crypto Check kit.

Main Methods:

  • Genomic DNA from 59 C. neoformans strains of five serotypes was analyzed.
  • Multiplex PCR was performed using primers targeting the laccase gene (LAC1) and capsule gene (CAP64).
  • Primer sets were optimized to differentiate all five serotypes.

Main Results:

  • A multiplex PCR assay using six primers successfully differentiated all five serotypes of C. neoformans.
  • The method distinguished serotypes A, D, B, C, and the hybrid serotype AD.
  • Specific primer combinations targeting LAC1 and CAP64 genes were crucial for differentiation.

Conclusions:

  • The developed multiplex PCR method is a reliable tool for serotyping C. neoformans.
  • This molecular technique serves as an effective replacement for the unavailable Crypto Check kit.
  • Accurate serotyping is essential for understanding C. neoformans epidemiology and guiding treatment.