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7 results on '"Jonathas Sales de Oliveira"'

1. Inhibitory effect of proteinase K against dermatophyte biofilms: an alternative for increasing the antifungal effects of terbinafine and griseofulvin

Author

Raimunda Sâmia Nogueira Brilhante, Raissa Geovanna Pereira Lopes, Lara de Aguiar, Jonathas Sales de Oliveira, Géssica dos Santos Araújo, Germana Costa Paixão, Waldemiro de Aquino Pereira-Neto, Rosemayre Souza Freire, João Victor Serra Nunes, Renan Pereira de Lima, Flávia Almeida Santos, José Júlio Costa Sidrim, and Marcos Fábio Gadelha Rocha

Subjects
Antifungal Agents, Arthrodermataceae, Biofilms, Microbial Sensitivity Tests, Aquatic Science, Endopeptidase K, Applied Microbiology and Biotechnology, Terbinafine, Griseofulvin, Water Science and Technology
Abstract

This study aimed to evaluate the effect of proteinase K on mature biofilms of dermatophytes, by assays of metabolic activity and biomass. In addition, the proteinase K-terbinafine and proteinase K-griseofulvin interactions against these biofilms were investigated by the checkerboard assay and scanning electron and confocal microscopy. The biofilms exposed to 32 µg ml

Published
2022

2. Exogenous fungal quorum sensing molecules inhibit planktonic cell growth and modulate filamentation and biofilm formation in the Sporothrix schenckii complex

Author

Zoilo Pires de Camargo, Marcos Fábio Gadelha Rocha, Anderson Messias Rodrigues, Jonathas Sales de Oliveira, Mirele Rodrigues Fernandes, Vandbergue Santos Pereira, Waldemiro de Aquino Pereira-Neto, Augusto Feynman Dias Nobre, Raimunda Sâmia Nogueira Brilhante, Anderson da Cunha Costa, and José Júlio Costa Sidrim

Subjects
0301 basic medicine, biology, fungi, 030106 microbiology, Biofilm, Sporothrix, Farnesol, biochemical phenomena, metabolism, and nutrition, Aquatic Science, bacterial infections and mycoses, biology.organism_classification, Applied Microbiology and Biotechnology, Microbiology, Tyrosol, 03 medical and health sciences, Quorum sensing, chemistry.chemical_compound, 030104 developmental biology, chemistry, Filamentation, Tryptophol, Sporothrix schenckii, lipids (amino acids, peptides, and proteins), skin and connective tissue diseases, Water Science and Technology
Abstract

This study investigated the effect of the quorum sensing molecules (QSMs) farnesol, 2-phenylehtanol, tyrosol and tryptophol against planktonic cells, filamentation and biofilms of Sporothrix spp. T...

Published
2020
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3. Diclofenac exhibits synergism with azoles against planktonic cells and biofilms of Candida tropicalis

Author

Waldemiro de Aquino Pereira-Neto, Jaiane Alves Brasil, Jonathas Sales de Oliveira, Marcos Fábio Gadelha Rocha, Vandbergue Santos Pereira, José Júlio Costa Sidrim, and Raimunda Sâmia Nogueira Brilhante

Subjects
0301 basic medicine, Susceptibility testing, biology, Chemistry, fungi, 030106 microbiology, Biofilm, Aquatic Science, biology.organism_classification, Applied Microbiology and Biotechnology, Microbiology, Candida tropicalis, stomatognathic diseases, 03 medical and health sciences, 030104 developmental biology, Diclofenac, medicine, Water Science and Technology, medicine.drug
Abstract

This study aimed to evaluate the effect of diclofenac on minimum inhibitory concentrations of antifungals against planktonic cells and biofilms of Candida tropicalis. Susceptibility testing of plan...

Published
2020
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4. Exogenous fungal quorum sensing molecules inhibit planktonic cell growth and modulate filamentation and biofilm formation in the

Author

Raimunda Sâmia Nogueira, Brilhante, Vandbergue Santos, Pereira, Augusto Feynman Dias, Nobre, Jonathas Sales de, Oliveira, Mirele Rodrigues, Fernandes, Anderson da Cunha, Costa, Anderson Messias, Rodrigues, Zoilo Pires de, Camargo, Waldemiro Aquino, Pereira-Neto, José Júlio Costa, Sidrim, and Marcos Fábio Gadelha, Rocha

Subjects
Antifungal Agents, Biofilms, Sporothrix, Quorum Sensing, Plankton, Farnesol
Abstract

This study investigated the effect of the quorum sensing molecules (QSMs) farnesol, 2-phenylehtanol, tyrosol and tryptophol against planktonic cells, filamentation and biofilms of

Published
2020

5. Diclofenac exhibits synergism with azoles against planktonic cells and biofilms of

Author

Raimunda Sâmia Nogueira, Brilhante, Jaiane Alves, Brasil, Jonathas Sales de, Oliveira, Vandbergue Santos, Pereira, Waldemiro de Aquino, Pereira-Neto, José Júlio Costa, Sidrim, and Marcos Fábio Gadelha, Rocha

Subjects
Azoles, Antifungal Agents, Diclofenac, Biofilms, Drug Synergism, Candida tropicalis, Microbial Sensitivity Tests, Plankton, Fluconazole
Abstract

This study aimed to evaluate the effect of diclofenac on minimum inhibitory concentrations of antifungals against planktonic cells and biofilms of

Published
2020

6. The HIV aspartyl protease inhibitor ritonavir impairs planktonic growth, biofilm formation and proteolytic activity inTrichosporonspp

Author

Jonathas Sales de Oliveira, Raimunda Samia Nogueira Brilhante, Patrícia Bruna Leite Mendes, Lucas Pereira de Alencar, Zoilo Pires de Camargo, Rosana Serpa, Ana Raquel Colares de Andrade, Vandbergue Santos Pereira, Rossana de Aguiar Cordeiro, Jônatas da Silva Franco, Débora de Souza Collares Maia Castelo-Branco, Reginaldo Gonçalves de Lima Neto, Marcos Fábio Gadelha Rocha, José Júlio Costa Sidrim, and Antonio José de Jesus Evangelista

Subjects
0301 basic medicine, Antifungal Agents, medicine.medical_treatment, 030106 microbiology, Microbial Sensitivity Tests, Trichosporon asahii, Aquatic Science, Applied Microbiology and Biotechnology, Microbiology, 03 medical and health sciences, Trichosporon, medicine, HIV Protease Inhibitor, Drug Interactions, Protease inhibitor (pharmacology), Water Science and Technology, Ritonavir, Protease, biology, Biofilm, Biofilm matrix, HIV Protease Inhibitors, biochemical phenomena, metabolism, and nutrition, Plankton, biology.organism_classification, Biofilms, Peptide Hydrolases, medicine.drug
Abstract

This study evaluated the effect of the protease inhibitor ritonavir (RIT) on Trichosporon asahii and Trichosporon inkin. Susceptibility to RIT was assessed by the broth microdilution assay and the effect of RIT on protease activity was evaluated using azoalbumin as substrate. RIT was tested for its anti-biofilm properties and RIT-treated biofilms were assessed regarding protease activity, ultrastructure and matrix composition. In addition, antifungal susceptibility, surface hydrophobicity and biofilm formation were evaluated after pre-incubation of planktonic cells with RIT for 15 days. RIT (200 μg ml−1) inhibited Trichosporon growth. RIT (100 μg ml−1) also reduced protease activity of planktonic and biofilm cells, decreased cell adhesion and biofilm formation, and altered the structure of the biofilm and the protein composition of the biofilm matrix. Pre-incubation with RIT (100 μg ml−1) increased the susceptibility to amphotericin B, and reduced surface hydrophobicity and cell adhesion. These re...

Published
2017
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7. Inhibitory effect of a lipopeptide biosurfactant produced by Bacillus subtilis on planktonic and sessile cells of Trichosporon spp

Author

José Júlio Costa Sidrim, Antonio José de Jesus Evangelista, Patrícia Bruna Leite Mendes, Ana Raquel Colares de Andrade, Vandbergue Santos Pereira, Rossana de Aguiar Cordeiro, Zoilo Pires de Camargo, Débora de Souza Collares Maia Castelo-Branco, Raimunda Sâmia Nogueira Brilhante, Rosana Serpa, Marcos Fábio Gadelha Rocha, Jonathas Sales de Oliveira, Bárbara Cibelle Soares Farias, Ewerton Weslley Caracas Cedro, Vânia Maria Maciel Melo, and Lucas Pereira de Alencar

Subjects
0301 basic medicine, Antifungal Agents, 030106 microbiology, Fungal inhibition, Bacillus subtilis, Aquatic Science, Applied Microbiology and Biotechnology, Microbiology, 03 medical and health sciences, chemistry.chemical_compound, Lipopeptides, Surface-Active Agents, Trichosporon, polycyclic compounds, Cell Adhesion, Inhibitory effect, Water Science and Technology, Ergosterol, biology, Chemistry, Biofilm, Lipopeptide, Trichosporon spp, biology.organism_classification, Plankton, Biofilms
Abstract

The present study aimed to investigate the inhibitory effect of a bacterial biosurfactant (TIM96) on clinical strains of Trichosporon. Additionally, the effect of TIM96 on the ergosterol content, cell membrane integrity, and the hydrophobicity of planktonic cells was assessed. The inhibitory activity of TIM96 against Trichosporon biofilms was evaluated by analyzing metabolic activity, biomass and morphology. MIC values ranged from 78.125 to 312.5 μg ml

Published
2018

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