ArticleRevista do Instituto de Medicina Tropical de Sao Paulo2019
Mixed infection by Histoplasma capsulatum isolates with different mating types in Brazilian AIDS-patients.
Article in Revista do Instituto de Medicina Tropical de Sao Paulo, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 5 citations in OpenAlex.
- Tissue distribution of Histoplasma capsulatum in deceased people living with HIV assessed by minimally invasive tissue sampling: An autopsy-based case series in the Brazilian Amazon.PLoS neglected tropical diseases · 2026Observational
- Review
- Unusual Differences in the Pulmonary Histopathology of Mice after Intranasal Infection with Mycelial Propagules ofJournal of fungi (Basel, Switzerland) · 2023Article
- Considerations about the Geographic Distribution ofApplied and environmental microbiology · 2022Review
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Authors and funding
10 authors at 4 institutions in 2 countries.
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Abstract
Mixed infection by Histoplasma capsulatum isolates with different mating types, in AIDS-patients are described in this study. Morphological, mating type-specific PCR assay and multilocus sequencing type analysis of H. capsulatum isolates recovered from two Brazilian AIDS-patients were performed. Five H. capsulatum isolates were recovered at different times from the two patients. Three isolates were obtained from bone marrow (day 1 - CE0411) and buffy coat cultures (day 1 - CE0311; day 2 - CE0511) of patient 1, and two isolates were isolated from buffy coat cultures (day 3 - CE2813; day 12 - CE2513) of patient 2. The mycelial colonies depicted different textures and pigmentation features. Dimorphic conversion to the yeast-phase in ML-Gema medium was achieved in all isolates. MAT1-1 idiomorph was identified in CE0311, CE0411 and CE2813 isolates; MAT1-2 idiomorph was found in CE0511 and CE2513 isolates. These H. capsulatum isolates were grouped within LAm A clade, highlighting that CE0311 and CE0411 isolates formed a subgroup supported by a high bootstrap value. The CE0511, CE2513, and CE2813 isolates clustered together with a Brazilian H151 isolate. This research reports mixed infections caused by H. capsulatum isolates with different mating types in Brazilian AIDS-patients for the first time in the literature.
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