Histoplasma


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Histoplasma

[‚his·tə′plaz·mə]
(mycology)
A genus of parasitic fungi.
References in periodicals archive ?
Taylor has helped pioneer the use of DNA variation to study the evolution of medically important fungi, including, Coccidioides immitis, Histoplasma capsulatum, Penicillium marneffei, Sporothrix schenckii, and Aspergillus fumigatus.
Further evaluation of the bone marrow sample demonstrated fungal elements characteristic of Histoplasma capsulatum (online Technical Appendix).
n:1) Candida parapsilosis (n:1) Candida guillermondii (n:1) Candida albicans (n:3) Mycobacterium tuberculosis (n:1) Paracoccidioides brasiliensis (n:7) Histoplasma capsulatum (n:5) Aspergillus fumigatus (n:2) Mycobacterium tuberculosis (n:7) Paracoccidioides brasiliensis (n:11) Aspergillus fumigatus (n:3) Mycobacterium tuberculosis (n:7) Aspergillus fumigatus (n:4) Aspergillus flavus (n:1) Aspergillus versicolor (n:1) Mycobacterium tuberculosis (n:4) Paracoccidioides brasiliensis (n:3) Histoplasma capsulatum (n:5) Pneumocystis jirouecii (n:6) Table 2--Purified DNA used to evaluate the Cryptococcus neoformans/Cryptococcus gattii nested PCR specificity.
Histoplasmosis is caused by infection with the dimorphic fungus, Histoplasma capsulatum, following inhalation of contaminated soil (1).
The patient's serum was also negative for Toxoplasma IgG antibody and Histoplasma antigen.
Fungal work-up was also negative including urine antigen testing for Histoplasma Antigen performed by quantitative sandwich enzyme immunoassay at Mira Vista Diagnostics, Indiana, and serum Cryptococcal antigen performed using semiquantitative enzyme immunoassay at ARUP laboratories, Utah.
Histoplasma capsulatum var capsulatum, hereafter referred to as H capsulatum, is a thermally dimorphic fungus that is endemic in certain areas in the Americas, notably the Mississippi and Ohio River valleys in the United States and Rio de Janeiro State in Brazil, and occurs in microfoci elsewhere.
Serologic test results for blood and urine for coccidioidomycosis, cryptococcosis, toxoplasmosis, and tuberculosis were negative, but the Histoplasma galactomannan urine antigen test (MiraVista, Indianapolis, IN, USA) result was positive at >25 ng/mL (reference <0.
Additional negative tests included serum galactomannan and [beta]-d-glucan, serology for Cryptococcus, Histoplasma, Blastomyces and Coccidioides, CMV PCR, EBV PCR as well as fungal, mycobacterial and bacterial blood cultures.
PRESENCE OF HISTOPLASMA CAPSULATUM IN FAECES OF HOMING PIGEONS AND ROCK PIGEONS IN LIMA, PERU
The presence of growth-promoting factors in birds' excrement in the soil of places where birds are found in a large number serves as an excellent niche for these fungi, particularly human pathogenic fungi like Histoplasma capsulatum, Cryptococcus neoformans, Aspergillus (A.
Diagnosis of this disorder is based upon characteristic clinical findings and a positive histoplasmin skin test or residence in an endemic region for Histoplasma capsulatum.