ArticleMemorias do Instituto Oswaldo Cruz2019
Occurrence, antifungal susceptibility, and virulence factors of opportunistic yeasts isolated from Brazilian beaches.
Article in Memorias do Instituto Oswaldo Cruz, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 42 citations in OpenAlex.
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- Environmental Yeast Abundance and Diversity Assessment in Recreation Areas of Bangkok, Thailand.Environmental microbiology reports · 2025Article
- Into the Wild: A Look atJournal of fungi (Basel, Switzerland) · 2025Review
- Probiotic potential and phytase-producing capacity of yeast isolated from Thai traditional fermentation starter (Look-pang).Folia microbiologica · 2025Article
- Yeast Diversity on Sandy Lake Beaches Used for Recreation in Olsztyn, Poland.Pathogens (Basel, Switzerland) · 2025Article
- Pathogenic Aspergillus spp. and Candida spp. in coastal waters from southern Brazil: an one health approach.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2025Article
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- Isolation and identification ofFrontiers in cellular and infection microbiology · 2024Article
- Seasonal Variation in Fungi in Beach Sand in Summertime: Stintino (Italy).International journal of environmental research and public health · 2023Article
- Characterization of the Pathogenic Potential of the Beach Sand Microbiome and Assessment of Quicklime as a Remediation Tool.Microorganisms · 2023Article
- Glucose-enhanced oxidative stress resistance-A protective anticipatory response that enhances the fitness of Candida albicans during systemic infection.PLoS pathogens · 2023Article
- Occurrence, Diversity and Anti-Fungal Resistance of Fungi in Sand of an Urban Beach in Slovenia-Environmental Monitoring with Possible Health Risk Implications.Journal of fungi (Basel, Switzerland) · 2022Article
- Collateral consequences of agricultural fungicides on pathogenic yeasts: A One Health perspective to tackle azole resistance.Mycoses · 2022Review
- Extensive Diversity and Prevalent Fluconazole Resistance among Environmental Yeasts from Tropical China.Genes · 2022Article
- An Updated Global Species Diversity and Phylogeny in the GenusJournal of fungi (Basel, Switzerland) · 2021Article
- The impact of the Fungus-Host-Microbiota interplay upon Candida albicans infections: current knowledge and new perspectives.FEMS microbiology reviews · 2021Review
- Safety Evaluation of Yeasts With Probiotic Potential.Frontiers in nutrition · 2021Article
Corrections and comments
- Erratum issued
Authors and funding
12 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundOpportunistic pathogenic yeast species are frequently associated with water habitats that have pollution sources of human or animal origin. Candida albicans has already been suggested as a faecal indicator microorganism for aquatic environments.
objectivesThe goal of this study was to investigate the occurrence of C. albicans and other opportunistic yeasts in sand and seawater samples from beaches in Brazil to assess their correlation with Escherichia coli, and to characterise the pathogenic potential of the yeast isolates.
methodsOpportunistic species (yeasts that grow at 37ºC) were isolated from sand and seawater samples from eight beaches in Brazil during the summer and the winter. Opportunistic yeast species were evaluated for their susceptibility to antifungal drugs, virulence factors, and the in vitro and in vivo biofilm formation. Strains were selected to carry out virulence tests using BALB/c mice.
findingsSeveral water samples could be classified as inappropriate for primary contact recreation in relation to E. coli densities. C. albicans was isolated in low densities. Of the 144 opportunistic yeasts evaluated, 61% displayed resistance or dose-dependent sensitivity to at least one tested drug, and 40% produced proteinase. Strains of C. albicans and Kodamaea ohmeri exhibited the highest rates of adhesion to buccal epithelial cells. All the C. albicans strains that were tested were able to undergo morphogenesis and form a biofilm on catheter fragments in both in vitro and in vivo experiments. It was possible to confirm the pathogenic potential of three of these strains during the disseminated infection test. MAIN
conclusionsThe identification of opportunistic yeast species in seawater and sand samples from Brazilian beaches suggest a potential risk to the health of people who use these environments for recreational purposes.
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