Silviane Bezerra Pinheiro

ORCID: 0000-0002-1650-4727
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About
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Research Areas
  • Fungal Infections and Studies
  • Antifungal resistance and susceptibility
  • Nail Diseases and Treatments
  • Science and Education Research
  • Plant tissue culture and regeneration
  • Insects and Parasite Interactions
  • Education Pedagogy and Practices
  • Nanoparticles: synthesis and applications
  • Education and Digital Technologies
  • Yeasts and Rust Fungi Studies
  • HIV/AIDS oral health manifestations
  • Microbial Metabolism and Applications
  • Plant Pathogens and Fungal Diseases
  • Tuberculosis Research and Epidemiology
  • Phytochemistry Medicinal Plant Applications
  • Women's cancer prevention and management
  • Agricultural and Food Sciences
  • Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
  • Enzyme-mediated dye degradation

National Institute of Amazonian Research
2018-2024

Universidade Federal do Amazonas
2013-2021

We present postmortem evidence of invasive pulmonary aspergillosis (IPA) in a patient with severe COVID-19. Autopsies COVID-19 confirmed cases were performed. The died despite antimicrobials, mechanical ventilation, and vasopressor support. Histopathology peripheral blood galactomannan antigen testing IPA. Aspergillus penicillioides infection was by nucleotide sequencing BLAST analysis. Further reports are needed to assess the occurrence frequency IPA SARS-CoV-2 infections, how they interact...

10.1590/0037-8682-0401-2020 article EN cc-by Revista da Sociedade Brasileira de Medicina Tropical 2020-01-01

Abstract Objectives In the state of Amazonas, northern Brazil, cryptococcosis is endemic, with a predominance Cryptococcus neoformans in individuals HIV/AIDS, and gattii VGII non‐HIV individuals. This study analysed clinical isolates clinical–epidemiological characteristics HIV/AIDS patients diagnosed tertiary healthcare facility Manaus, Amazonas investigated presence agents environmental samples. Methods A survey was made data from between January 2017 December 2019, samples were collected...

10.1111/tmi.13737 article EN Tropical Medicine & International Health 2022-02-18

Cryptococcosis is considered endemic in Amazonas state, occurring more frequently individuals with AIDS, who are predominantly infected by Cryptococcus neoformans molecular type VNI. Infections gattii VGII predominate immunocompetent hosts from the American continent and associated outbreaks North America, particularly subtypes VGIIa VGIIb, which also present Brazilian Amazon region. Despite few environmental studies, several aspects of epidemiology this disease remain unclear, including...

10.1371/journal.pone.0197841 article EN cc-by PLoS ONE 2018-06-08

Heteroresistance, defined as the occurrence of apparently homogeneous subpopulations microbial cells showing different levels antimicrobial susceptibility is a problem that has been associated with therapeutical failure in cryptococcosis. The purpose study was an investigation on level heteroresistance to fluconazole (LHF) observed clinical and environmental C. neoformans/C. gattii complex species isolates from Amazonas State (AM), Brazil. A total 45 9 type strains were analyzed. assessments...

10.1093/mmy/myac005 article EN Medical Mycology 2022-01-24

The purpose of this study was to investigate the production laccase from a white rot fungi isolated Amazon forest for oxidation Remazol Brilliant Blue-R (RBB-R). Initially, small screening carried out aiming find producers. next step investigate, using factorial design and Response Surface Methodology (RSM), influence the content glucose, peptone CuSO4 in by selected fungi. Subsequently, ability produced laccases oxidize RBB-R investigated. As result, Agaricomycete (UFAM1) presented...

10.5897/sre2013.5695 article EN Scientific Research and Essays 2015-02-28

The application of educational games as practical and creative teaching methodology has shown great efficacy in transfer scientific knowledge complex areas such genetics that everyday becomes evident the society through popularization its information. Aiming to contribute this interaction between theory practice classroom, AminoUNO game was developed simulate protein synthesis process translating nucleotide into amino acids, also influence mutation on process. In addition, aims facilitate...

10.16923/reb.v11i1.274 article EN Revista de Ensino de Bioquímica 2013-11-22

Introdução: Atualmente, o gênero Cryptococcus possui mais de 30 espécies descritas, mas apenas complexo neoformans/ gattii podem causar infecção em animais e seres humanos. Os principais reservatórios desses fungos são as árvores solo. A ocorre a partir inalação aerossóis contendo leveduras ressecadas ou basidiósporos. coloração da melanina auxilia no isolamento ambiental, sendo responsável pela diferenciação cor levedura que fica com uma marrom brilhante. Objetivo: Em busca por um meio...

10.51161/ii-conamic/19 article PT 2022-04-23

Introdução: A criptococose é uma infecção fúngica de alta incidência mundial que acomete principalmente indivíduos portadores do vírus HIV. Anualmente ocorrem aproximadamente 25.000 casos e 1.800 mortes. Embora seja doença oportunista, pacientes não-HIV são infectados o diagnóstico tardio um fator negativo no prognóstico clínico. Objetivo: Esse estudo realizou a genotipagem Cryptococcus sp. causa em paciente Estado Amazonas. Metodologia: amostra foi reativada agar Saboraud, após 24 horas...

10.51161/ii-conamic/5800 article PT 2022-04-23
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