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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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Toxoplasmosis

Toxoplasmosis, a zoonotic disease caused by the protozoan Toxoplasma gondii, poses significant public health challenges globally due to its high seroprevalence and varied clinical manifestations. As an obligate intracellular parasite, T. gondii can infect all warm-blooded vertebrates, but felids are its only definitive hosts, shedding unsporulated oocysts into the environment. Humans typically acquire the infection through ingestion of tissue cysts in undercooked meat or oocysts from...
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
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Related Experiment Video

Updated: Jul 13, 2026

Automated Measurement of Cryptococcal Species Polysaccharide Capsule and Cell Body
08:08

Automated Measurement of Cryptococcal Species Polysaccharide Capsule and Cell Body

Published on: January 11, 2018

[Cryptococcus neoformans var. gattii isolates from two Peruvian patients.].

B Bustamante Rufino1, D Swinne

  • 1I.M.T. A. von Humboldt, U.P.C.H., Apartado Postal 4314, Lima 100, Perú. bettyb@upch.edu.pe.

Revista Iberoamericana De Micologia
|July 28, 2007
PubMed
Summary

Cryptococcus neoformans var. gattii was identified in Peru from two patients with disseminated cryptococcosis. This finding suggests potential alternative ecological niches for this fungal variety in Peru beyond eucalyptus trees.

Related Experiment Videos

Last Updated: Jul 13, 2026

Automated Measurement of Cryptococcal Species Polysaccharide Capsule and Cell Body
08:08

Automated Measurement of Cryptococcal Species Polysaccharide Capsule and Cell Body

Published on: January 11, 2018

Area of Science:

  • Medical Mycology
  • Infectious Diseases
  • Environmental Microbiology

Context:

  • Cryptococcus neoformans var. gattii is typically found in tropical/subtropical regions, while C. neoformans var. neoformans is widespread.
  • Peru's diverse geography presents potential habitats for C. neoformans var. gattii.
  • The ecological niches for C. neoformans var. gattii, particularly eucalyptus species, have not been documented in Peru.

Purpose:

  • To determine the presence and prevalence of Cryptococcus neoformans varieties in Peru.
  • To differentiate clinical isolates of C. neoformans based on their ecological and clinical characteristics.

Summary:

  • Sixty-eight clinical isolates of C. neoformans were analyzed.
  • Cryptococcus neoformans var. gattii was identified in two isolates by its D-proline assimilation.
  • These two isolates were recovered from patients with disseminated cryptococcosis and cryptococcal meningitis, notably without predisposing factors.

Impact:

  • This study reports the first identification of Cryptococcus neoformans var. gattii in Peru.
  • The findings indicate the existence of unknown ecological niches for C. neoformans var. gattii in Peru.
  • Highlights the need for further research into the environmental sources and epidemiology of C. neoformans var. gattii in the region.