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- W4381161851 abstract "Cryptococcus neoformans is a pathogenic fungus that causes cryptococcosis, a significant secondary infection in immunocompromised individuals with immune-suppressive related symptoms from HIV infection and organ transplants. Fungaemia occurs via the respiratory route and spreads by tissue invasion into other body parts. Enzymes and membrane-associated permeases/transporters are accessory proteins deployed to enhance the survival, adaptation, and infection caused by Cryptococcus species. The nutrient bioavailability determines the functional turnover rate of these proteins in the immediate fungal environment. Low oxygen levels in the internal organs, essential micro-elements locked in the storage proteins, catabolite repression, phagolysosomal low glucose level and pH, tight junction, and extracellular matrixes are challenges to the survival of this pathogen in the host. This review identifies key hydrolytic and metabolic enzymes and permeases/transporters as essential weapons of virulence in addition to survival, tolerance, resistance, adaptation, and infection in humans. Under the regulation of different transcription factors, these proteins are released in response to nutrient sensors designed to siphon the host nutrients and induce infection in predisposed individuals. The extracellular secretory vesicles called “exosomal virulence bag” also harbour cryptococcal urease, laccase, phosphatase, and capsular components as additional secretory protein weapons for immune evasion, tissue invasion and persistence." @default.
- W4381161851 created "2023-06-20" @default.
- W4381161851 creator A5012271623 @default.
- W4381161851 creator A5021148975 @default.
- W4381161851 date "2023-06-19" @default.
- W4381161851 modified "2023-10-14" @default.
- W4381161851 title "Transcription Factors Control the Virulence-Associated Metabolic Enzymes and Membrane Proteins in Response to Nutrient Bioavailability in Cryptococcal Infection" @default.
- W4381161851 doi "https://doi.org/10.20944/preprints202306.1372.v1" @default.
- W4381161851 hasPublicationYear "2023" @default.
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