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Production evaluation and composition of extracellular vesicles by Candida haemulonii

Grant number: 20/02841-6
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): February 01, 2021
Effective date (End): January 31, 2022
Field of knowledge:Biological Sciences - Biochemistry - Biochemistry of Microorganisms
Principal Investigator:Fausto Bruno dos Reis Almeida
Grantee:Bianca Teixeira Morais de Oliveira
Host Institution: Faculdade de Medicina de Ribeirão Preto (FMRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil


Candida haemulonii is an emerging and multidrug-resistant pathogen to the main antifungals available. The development of the infection is associated to the release of molecules on the environment, as occurs during the secretion of extracellular vesicles (EVs) that pass through the fungal cell wall to reach the extracellular space.Fungal EVs are composed of different biomolecules such as proteins, lipids, toxins and nucleic acids, which when exported can be crucial in the pathophysiological process.In the last few months, preliminary results from our research group, verified the production of EVs by C. haemulonii, which motivates the proposal to determine their production and composition. Specifically, we propose to fulfill the following objectives: (1) Investigate the production of EVs by C. haemulonii; (2) Sequencing the total RNA from the yeast and the EVs components produced; (3) Identify the proteome of the vesicles obtained.Our expectation is that the determination of EVs composition by C. haemulonii will reveal important molecules, which play crucial roles in the development of fungal infection. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
OLIVEIRA, BIANCA T. M.; DOURADO, THALES M. H.; SANTOS, PATRICK W. S.; BITENCOURT, TAMIRES A.; TIRAPELLI, CARLOS R.; COLOMBO, ARNALDO L.; ALMEIDA, FAUSTO. Extracellular Vesicles from Candida haemulonii var. vulnera Modulate Macrophage Oxidative Burst. JOURNAL OF FUNGI, v. 9, n. 5, p. 15-pg., . (21/06794-5, 20/02841-6, 22/08432-6)
BITENCOURT, TAMIRES A.; PESSONI, ANDRE M.; OLIVEIRA, BIANCA T. M.; ALVES, LYSANGELA R.; ALMEIDA, FAUSTO. The RNA Content of Fungal Extracellular Vesicles: At the "Cutting-Edge" of Pathophysiology Regulation. CELLS, v. 11, n. 14, p. 11-pg., . (19/02504-2, 19/23801-5, 21/06794-5, 20/02841-6)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
OLIVEIRA, Bianca Teixeira Morais de. Production and composition evaluation of extracellular vesicles by Candida haemulonii. 2022. Master's Dissertation - Universidade de São Paulo (USP). Faculdade de Medicina de Ribeirão Preto (PCARP/BC) Ribeirão Preto.

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