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Mixed infection by Histoplasma capsulatum isolates with different mating types in Brazilian AIDS-patients

Damasceno, Lisandra Serra; Vite-Garín, Tania; Ramírez, José Antonio; Rodríguez-Arellanes, Gabriela; Almeida, Marcos Abreu De; Muniz, Mauro De Medeiros; Mesquita, Jacó Ricarte Lima De; Leitão, Terezinha Do Menino Jesus Silva; Taylor, Maria Lucia; Zancopé-Oliveira, Rosely Maria

Revista do Instituto de Medicina Tropical de São Paulo; Vol. 61 (2019); e8

Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo 2019-02-07

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  • Título:
    Mixed infection by Histoplasma capsulatum isolates with different mating types in Brazilian AIDS-patients
  • Autor: Damasceno, Lisandra Serra; Vite-Garín, Tania; Ramírez, José Antonio; Rodríguez-Arellanes, Gabriela; Almeida, Marcos Abreu De; Muniz, Mauro De Medeiros; Mesquita, Jacó Ricarte Lima De; Leitão, Terezinha Do Menino Jesus Silva; Taylor, Maria Lucia; Zancopé-Oliveira, Rosely Maria
  • Assuntos: Mixed Infection; Histoplasma Capsulatum; Mating Types; Multilocus Sequence Typing; Histoplasmosis; Hiv Coinfections
  • É parte de: Revista do Instituto de Medicina Tropical de São Paulo; Vol. 61 (2019); e8
  • Descrição: 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.
  • Títulos relacionados: https://www.revistas.usp.br/rimtsp/article/view/154493/150619; https://www.revistas.usp.br/rimtsp/article/view/154493/150620
  • Editor: Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo
  • Data de criação/publicação: 2019-02-07
  • Formato: Adobe PDF
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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