AIDS Patient Death Caused by Novel Cryptococcus neoformans × C. gattii Hybrid
2008

AIDS Patient Death Caused by Novel Cryptococcus neoformans × C. gattii Hybrid

Sample size: 1 publication Evidence: moderate

Author Information

Author(s): Bovers Marjan, Hagen Ferry, Kuramae Eiko E., Hoogveld Hans L., Dromer Françoise, St-Germain Guy, Boekhout Teun

Primary Institution: Centraalbureau voor Schimmelcultures–Fungal Biodiversity Centre

Hypothesis

The serotype AB C. neoformans × C. gattii hybrid CBS10496 was formed by mating of a MATa serotype B strain with a MATα serotype A strain and subsequent loss of the MATa serotype B allele.

Conclusion

The study identified a novel diploid or aneuploid hybrid strain of Cryptococcus that caused a lethal infection in an AIDS patient.

Supporting Evidence

  • The hybrid strain CBS10496 was isolated from an HIV-positive patient.
  • The patient died despite extensive antifungal treatment.
  • The study used molecular techniques to analyze the genetic composition of the hybrid.

Takeaway

A new type of fungus that can make people very sick was found in a patient with AIDS, and it was a mix of two different kinds of fungi.

Methodology

The strain was isolated from a patient and analyzed using molecular techniques including AFLP and DNA sequencing.

Limitations

The study is based on a single case, which may not represent broader trends.

Participant Demographics

The patient was a 31-year-old AIDS patient from Montreal, Quebec, Canada.

Digital Object Identifier (DOI)

10.3201/eid1407.080122

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