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Thambugala KM, Daranagama DA, Tennakoon DS, Jayatunga DPW, Hongsanan S, Xie N. Humans vs. Fungi: An Overview of Fungal Pathogens against Humans. Pathogens 2024; 13:426. [PMID: 38787278 PMCID: PMC11124197 DOI: 10.3390/pathogens13050426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 05/14/2024] [Accepted: 05/15/2024] [Indexed: 05/25/2024] Open
Abstract
Human fungal diseases are infections caused by any fungus that invades human tissues, causing superficial, subcutaneous, or systemic diseases. Fungal infections that enter various human tissues and organs pose a significant threat to millions of individuals with weakened immune systems globally. Over recent decades, the reported cases of invasive fungal infections have increased substantially and research progress in this field has also been rapidly boosted. This review provides a comprehensive list of human fungal pathogens extracted from over 850 recent case reports, and a summary of the relevant disease conditions and their origins. Details of 281 human fungal pathogens belonging to 12 classes and 104 genera in the divisions ascomycota, basidiomycota, entomophthoromycota, and mucoromycota are listed. Among these, Aspergillus stands out as the genus with the greatest potential of infecting humans, comprising 16 species known to infect humans. Additionally, three other genera, Curvularia, Exophiala, and Trichophyton, are recognized as significant genera, each comprising 10 or more known human pathogenic species. A phylogenetic analysis based on partial sequences of the 28S nrRNA gene (LSU) of human fungal pathogens was performed to show their phylogenetic relationships and clarify their taxonomies. In addition, this review summarizes the recent advancements in fungal disease diagnosis and therapeutics.
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Affiliation(s)
- Kasun M. Thambugala
- Genetics and Molecular Biology Unit, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda 10250, Sri Lanka; (K.M.T.); (D.P.W.J.)
- Center for Biotechnology, Department of Zoology, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka
- Center for Plant Materials and Herbal Products Research, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka
| | - Dinushani A. Daranagama
- Department of Plant and Molecular Biology, Faculty of Science, University of Kelaniya, Kelaniya 11300, Sri Lanka;
| | - Danushka S. Tennakoon
- Bioengineering and Technological Research Centre for Edible and Medicinal Fungi, Jiangxi Agricultural University, Nanchang 330045, China;
| | - Dona Pamoda W. Jayatunga
- Genetics and Molecular Biology Unit, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda 10250, Sri Lanka; (K.M.T.); (D.P.W.J.)
- Center for Biotechnology, Department of Zoology, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka
- Center for Plant Materials and Herbal Products Research, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka
| | - Sinang Hongsanan
- Shenzhen Key Laboratory of Microbial Genetic Engineering, College of Life Science and Oceanography, Shenzhen University, Shenzhen 518060, China
| | - Ning Xie
- Shenzhen Key Laboratory of Microbial Genetic Engineering, College of Life Science and Oceanography, Shenzhen University, Shenzhen 518060, China
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Marena GD, Carvalho GC, Ruiz-Gaitán A, Onisto GS, Bugalho BCM, Genezini LMV, Santos MOD, Blanco AL, Chorilli M, Bauab TM. Potential Activity of Micafungin and Amphotericin B Co-Encapsulated in Nanoemulsion against Systemic Candida auris Infection in a Mice Model. J Fungi (Basel) 2024; 10:253. [PMID: 38667924 PMCID: PMC11051191 DOI: 10.3390/jof10040253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 03/22/2024] [Accepted: 03/25/2024] [Indexed: 04/28/2024] Open
Abstract
The Candida auris species is a multidrug-resistant yeast capable of causing systemic and lethal infections. Its virulence and increase in outbreaks are a global concern, especially in hospitals where outbreaks are more recurrent. In many cases, monotherapy is not effective, and drug combinations are opted for. However, resistance to antifungals has increased over the years. In view of this, nanoemulsions (NEs) may represent a nanotechnology strategy in the development of new therapeutic alternatives. Therefore, this study developed a co-encapsulated nanoemulsion with amphotericin B (AmB) and micafungin (MICA) (NEMA) for the control of infections caused by C. auris. NEs were developed in previous studies. Briefly, the NEs were composed of a mixture of 10% sunflower oil and cholesterol as the oil phase (5:1), 10% Polyoxyethylene (20) cetyl ether (Brij® 58) and soy phosphatidylcholine as surfactant/co-surfactant (2:1), and 80% PBS as the aqueous phase. The in vivo assay used BALB/c mice weighing between 25 and 28 g that were immunosuppressed (CEUA/FCF/CAr n° 29/2021) and infected with Candida auris CDC B11903. The in vivo results show the surprising potentiate of the antifungal activity of the co-encapsulated drugs in NE, preventing yeast from causing infection in the lung and thymus. Biochemical assays showed a higher concentration of liver and kidney enzymes under treatment with AmB and MICAmB. In conclusion, this combination of drugs to combat the infection caused by C. auris can be considered an efficient therapeutic option, and nanoemulsions contribute to therapeutic potentiate, proving to be a promising new alternative.
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Affiliation(s)
- Gabriel Davi Marena
- Department of Biological Sciences, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil; (G.D.M.); (G.C.C.); (G.S.O.); (B.C.M.B.); (L.M.V.G.); (M.O.D.S.); (A.L.B.)
- Department of Drug and Medicines, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil;
| | - Gabriela Corrêa Carvalho
- Department of Biological Sciences, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil; (G.D.M.); (G.C.C.); (G.S.O.); (B.C.M.B.); (L.M.V.G.); (M.O.D.S.); (A.L.B.)
- Department of Drug and Medicines, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil;
| | - Alba Ruiz-Gaitán
- Severe Infection Research Group, Health Research Institute La Fe, 46026 Valencia, Spain
- Department of Medical Microbiology, University and Polytechnic La Fe Hospital, 46026 Valencia, Spain
| | - Giovana Scaramal Onisto
- Department of Biological Sciences, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil; (G.D.M.); (G.C.C.); (G.S.O.); (B.C.M.B.); (L.M.V.G.); (M.O.D.S.); (A.L.B.)
| | - Beatriz Chiari Manzini Bugalho
- Department of Biological Sciences, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil; (G.D.M.); (G.C.C.); (G.S.O.); (B.C.M.B.); (L.M.V.G.); (M.O.D.S.); (A.L.B.)
| | - Letícia Maria Valente Genezini
- Department of Biological Sciences, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil; (G.D.M.); (G.C.C.); (G.S.O.); (B.C.M.B.); (L.M.V.G.); (M.O.D.S.); (A.L.B.)
| | - Maíra Oliveira Dos Santos
- Department of Biological Sciences, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil; (G.D.M.); (G.C.C.); (G.S.O.); (B.C.M.B.); (L.M.V.G.); (M.O.D.S.); (A.L.B.)
| | - Ana Lígia Blanco
- Department of Biological Sciences, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil; (G.D.M.); (G.C.C.); (G.S.O.); (B.C.M.B.); (L.M.V.G.); (M.O.D.S.); (A.L.B.)
| | - Marlus Chorilli
- Department of Drug and Medicines, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil;
| | - Tais Maria Bauab
- Department of Biological Sciences, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil; (G.D.M.); (G.C.C.); (G.S.O.); (B.C.M.B.); (L.M.V.G.); (M.O.D.S.); (A.L.B.)
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Santana DJ, Zhao G, O’Meara TR. The many faces of Candida auris: Phenotypic and strain variation in an emerging pathogen. PLoS Pathog 2024; 20:e1012011. [PMID: 38427609 PMCID: PMC10906884 DOI: 10.1371/journal.ppat.1012011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2024] Open
Abstract
Candida auris is an emerging fungal pathogen with unusual evolutionary history-there are multiple distinct phylogeographic clades showing a near simultaneous transition from a currently unknown reservoir to nosocomial pathogen. Each of these clades has experienced different selective pressures over time, likely resulting in selection for genotypes with differential fitness or phenotypic consequences when introduced to new environments. We also observe diversification within clades, providing additional opportunities for phenotypic differences. These differences can have large impacts on pathogenic potential, drug resistance profile, evolutionary trajectory, and transmissibility. In recent years, there have been significant advances in our understanding of strain-specific behavior in other microbes, including bacterial and fungal pathogens, and we have an opportunity to take this strain variation into account when describing aspects of C. auris biology. Here, we critically review the literature to gain insight into differences at both the strain and clade levels in C. auris, focusing on phenotypes associated with clinical disease or transmission. Our goal is to integrate clinical and epidemiological perspectives with molecular perspectives in a way that would be valuable for both audiences. Identifying differences between strains and understanding which phenotypes are strain specific will be crucial for understanding this emerging pathogen, and an important caveat when describing the analysis of a singular isolate.
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Affiliation(s)
- Darian J. Santana
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, Michigan, United States of America
| | - Guolei Zhao
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America
| | - Teresa R. O’Meara
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, Michigan, United States of America
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Wells KM, Ciftci Y, Peddinti BST, Ghiladi RA, Vediyappan G, Spontak RJ, Govind R. Preventing the spread of life-threatening gastrointestinal microbes on the surface of a continuously self-disinfecting block polymer. J Colloid Interface Sci 2023; 652:718-726. [PMID: 37611471 DOI: 10.1016/j.jcis.2023.08.088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 08/03/2023] [Accepted: 08/12/2023] [Indexed: 08/25/2023]
Abstract
Highly persistent, drug-resistant and transmissible healthcare pathogens such as Clostridioides difficile (C. difficile) and Candida auris (C. auris) are responsible for causing antibiotic-associated fatal diarrhea and invasive candidiasis, respectively. In this study, we demonstrate that these potentially lethal gastrointestinal microbes can be rapidly inactivated on the solid surface of a self-disinfecting anionic block polymer that inherently generates a water surface layer that is highly acidic (pH < 1) upon hydration. Due to thermodynamic incompatibility between its chemical sequences, the polymer spontaneously self-organizes into a nanostructure that enables proton migration from the interior of a film to the surface via contiguous nanoscale hydrophilic channels, as discerned here by scanning electron and atomic force microscopies, as well as X-ray photoelectron spectroscopy. Here, we report that two strains of C. difficile in the vegetative state and two species of Candida, Candida albicans (C. albicans) and C. auris, are, in most cases, inactivated to the limit of minimum detection. Corresponding electron and optical microscopy images reveal that, upon exposure to the hydrated polymer, the outer microbial membranes display evidence of damage and intracellular material is expelled. Combined with our previous studies of rapid bacterial and viral inactivation, these antimicrobial results are highly encouraging and, if translatable to clinical conditions in the form of self-standing polymer films or coatings, are expected to benefit the welfare of patients in healthcare facilities by continuously preventing the spread of such potentially dangerous microbes.
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Affiliation(s)
- Kacie M Wells
- Fiber & Polymer Science Program, North Carolina State University, Raleigh, NC 27695, United States
| | - Yusuf Ciftci
- Division of Biology, Kansas State University, Manhattan, KS 66506, United States
| | - Bharadwaja S T Peddinti
- Department of Chemical & Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695, United States
| | - Reza A Ghiladi
- Department of Chemistry, North Carolina State University, Raleigh, NC 27695, United States
| | | | - Richard J Spontak
- Department of Chemical & Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695, United States; Department of Materials Science & Engineering, North Carolina State University, Raleigh, NC 27695, United States.
| | - Revathi Govind
- Division of Biology, Kansas State University, Manhattan, KS 66506, United States.
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Mulet Bayona JV, Tormo Palop N, Salvador García C, Guna Serrano MDR, Gimeno Cardona C. Candida auris from colonisation to candidemia: A four-year study. Mycoses 2023; 66:882-890. [PMID: 37401661 DOI: 10.1111/myc.13626] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 06/14/2023] [Accepted: 06/15/2023] [Indexed: 07/05/2023]
Abstract
BACKGROUND Candida auris has become a worrisome multi-drug resistant healthcare-associated pathogen due to its capacity to colonise patients and surfaces and to cause outbreaks of invasive infections in critically ill patients. OBJECTIVES This study evaluated the outbreak in our setting in a 4-year period, reporting the risk factors for developing candidemia in previously colonised patients, the therapeutic measures for candidemia and the outcome of candidemia and colonisation cases among all C. auris isolates and their susceptibility to antifungals. METHODS Data were retrospectively collected from patients admitted to Consorcio Hospital General Universitario de Valencia (Spain) from September 2017 to September 2021. A retrospective case-control study was designed to identify risk factors for developing C. auris candidemia in previously colonised patients. RESULTS C. auris affected 550 patients, of which 210 (38.2%) had some clinical sample positive. Isolates were uniformly resistant to fluconazole, 20 isolates were resistant to echinocandins (2.8%) and four isolates were resistant to ampfotericin B (0.6%). There were 86 candidemia cases. APACHE II, digestive disease and catheter isolate were proven to be independent risk factors for developing candidemia in previously colonised patients. Thirty-day mortality rate for C. auris candidemia cases was 32.6%, while for colonisation cases was 33.7%. CONCLUSIONS Candidemia was one of the most frequent and severe infections caused by C. auris. The risk factors identified in this study should help to detect patients who are at more risk of developing candidemia, as long as an adequate surveillance of C. auris colonisation is performed.
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Affiliation(s)
- Juan Vicente Mulet Bayona
- Department of Microbiology and Parasitology, Consorcio Hospital General Universitario de Valencia, Valencia, Spain
| | - Nuria Tormo Palop
- Department of Microbiology and Parasitology, Consorcio Hospital General Universitario de Valencia, Valencia, Spain
| | - Carme Salvador García
- Department of Microbiology and Parasitology, Consorcio Hospital General Universitario de Valencia, Valencia, Spain
| | | | - Concepción Gimeno Cardona
- Department of Microbiology and Parasitology, Consorcio Hospital General Universitario de Valencia, Valencia, Spain
- Department of Microbiology and Ecology, University of Valencia, Valencia, Spain
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Carty J, Chowdhary A, Bernstein D, Thangamani S. Tools and techniques to identify, study, and control Candida auris. PLoS Pathog 2023; 19:e1011698. [PMID: 37856418 PMCID: PMC10586630 DOI: 10.1371/journal.ppat.1011698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023] Open
Abstract
Candida auris, is an emerging fungal pathogen that can cause life-threatening infections in humans. Unlike many other Candida species that colonize the intestine, C. auris most efficiently colonizes the skin. Such colonization contaminates the patient's environment and can result in rapid nosocomial transmission. In addition, this transmission can lead to outbreaks of systemic infections that have mortality rates between 40% and 60%. C. auris isolates resistant to all known classes of antifungals have been identified and as such, understanding the underlying biochemical mechanisms of how skin colonization initiates and progresses is critical to developing better therapeutic options. With this review, we briefly summarize what is known about horizontal transmission and current tools used to identify, understand, and control C. auris infections.
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Affiliation(s)
- James Carty
- Department of Biology, Ball State University, Muncie, Indiana, United States of America
| | - Anuradha Chowdhary
- Medical Mycology Unit, Department of Microbiology, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi, India
- National Reference Laboratory for Antimicrobial Resistance in Fungal Pathogens, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi, India
| | - Douglas Bernstein
- Department of Biology, Ball State University, Muncie, Indiana, United States of America
| | - Shankar Thangamani
- Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, Indiana, United States of America
- Purdue Institute for Immunology, Inflammation and Infectious Diseases (PI4D), Indiana, United States of America
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Biswas B, Rana A, Gupta N, Gupta I, Puria R, Thakur A. A Novel Robust Method Mimicking Human Substratum To Dissect the Heterogeneity of Candida auris Biofilm Formation. Microbiol Spectr 2023; 11:e0089223. [PMID: 37439683 PMCID: PMC10434199 DOI: 10.1128/spectrum.00892-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 06/21/2023] [Indexed: 07/14/2023] Open
Abstract
Candida auris is a pathogen of urgent threat level as marked by the CDC. The formation of biofilms is an essential property of this fungus to establish infection and escape drug treatment. However, our understanding of pathogenesis through biofilm is hampered by heterogeneity in C. auris biofilms observed in different studies. It is imperative to replicate in vivo conditions for studying C. auris biofilm formation in vitro. Different methods are standardized, but the surface used to form biofilms lacks consistency as well as the architecture of a typical biofilm. Here, we report an in vitro technique to grow C. auris biofilms on gelatin-coated coverslips. Interestingly, C. auris cells grown on gelatin-coated coverslips either on modified synthetic sweat media or RPMI 1640 resulted in similar multilayer biofilm formation with extracellular polymeric substances (EPS). This method is also consistent with the biofilm formation of other Candida species, such as Candida glabrata and Candida albicans. Biofilms of C. glabrata developed through this method show pseudohyphae and EPS. This method can be used to understand the molecular basis of biofilm formation, associated pathogenesis, and drug tolerance. The technique is cost-effective and would thus serve in rightful screening and repurposing drug libraries for designing new therapeutics against the less-studied high-alarm pathogen C. auris. IMPORTANCE Heterogeneity is seen when multidrug-resistant C. auris biofilm is cultured using different reported methods. Biofilm formed on the gelatin surface mimics the condition of a host environment that has multilayers and EPS. This method has feasibility for drug screening and analyzing biofilms through three-dimensional (3D) reconstruction. This in vitro biofilm formation technique is also exploited to study the formation of biofilm of other Candida species. The biofilms of C. glabrata and C. albicans can also be correctly mimicked using gelatin in the biofilm-forming environment. Thus, the novel in vitro method for biofilm formation reported here can be widely used to understand the mechanism of biofilm formation, related virulence properties, and drug tolerance of C. auris and other Candida species. This simple and low-cost technique is highly suitable for screening novel inhibitors and repurposed libraries and to design new therapeutics against Candida species.
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Affiliation(s)
- Biswambhar Biswas
- Laboratory of Protein Translation and Fungal Pathogenesis, Regional Centre for Biotechnology, Faridabad, Haryana, India
| | - Aishwarya Rana
- Laboratory of Protein Translation and Fungal Pathogenesis, Regional Centre for Biotechnology, Faridabad, Haryana, India
| | - Nidhi Gupta
- Laboratory of Protein Translation and Fungal Pathogenesis, Regional Centre for Biotechnology, Faridabad, Haryana, India
| | - Ishaan Gupta
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, Delhi, India
| | - Rekha Puria
- School of Biotechnology, Gautam Buddha University, Greater Noida, Uttar Pradesh, India
| | - Anil Thakur
- Laboratory of Protein Translation and Fungal Pathogenesis, Regional Centre for Biotechnology, Faridabad, Haryana, India
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Hirayama T, Miyazaki T, Sumiyoshi M, Ito Y, Ashizawa N, Takeda K, Iwanaga N, Takazono T, Yamamoto K, Izumikawa K, Yanagihara K, Makimura K, Tsukamoto K, Kohno S, Mukae H. Echinocandin Resistance in Candida auris Occurs in the Murine Gastrointestinal Tract Due to FKS1 Mutations. Antimicrob Agents Chemother 2023; 67:e0124322. [PMID: 36920237 PMCID: PMC10112215 DOI: 10.1128/aac.01243-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 02/24/2023] [Indexed: 03/16/2023] Open
Abstract
Candida auris is resistant to multiple antifungal agents. This study investigated its antifungal susceptibility and explored FKS1 mutations across the isolates from mice enterically colonized with wild-type C. auris and treated with echinocandin. Resistant C. auris with FKS1 mutations, including S639F, S639Y, D642Y, R1354H, or R1354Y, were isolated and found to be micafungin- and caspofungin-resistant in vivo; however, the MICs of isolates with mutation in R1354 remained below the micafungin breakpoint in vitro.
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Affiliation(s)
- Tatsuro Hirayama
- Department of Pharmacotherapeutics, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
- Department of Respiratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
| | - Taiga Miyazaki
- Division of Respirology, Rheumatology, Infectious Diseases, and Neurology, Department of Internal Medicine, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Makoto Sumiyoshi
- Division of Respirology, Rheumatology, Infectious Diseases, and Neurology, Department of Internal Medicine, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Yuya Ito
- Department of Respiratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
| | - Nobuyuki Ashizawa
- Department of Respiratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
- Infection Control and Education Center, Nagasaki University Hospital, Nagasaki, Japan
| | - Kazuaki Takeda
- Department of Respiratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
| | - Naoki Iwanaga
- Department of Respiratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
| | - Takahiro Takazono
- Department of Respiratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
- Department of Infectious Diseases, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kazuko Yamamoto
- Department of Respiratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
| | - Koichi Izumikawa
- Infection Control and Education Center, Nagasaki University Hospital, Nagasaki, Japan
- Department of Infectious Diseases, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Katsunori Yanagihara
- Department of Laboratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
| | - Koichi Makimura
- Teikyo University Institute of Medical Mycology, Teikyo University, Tokyo, Japan
| | - Kazuhiro Tsukamoto
- Department of Pharmacotherapeutics, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Shigeru Kohno
- Department of Respiratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
| | - Hiroshi Mukae
- Department of Respiratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
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Khari A, Biswas B, Gangwar G, Thakur A, Puria R. Candida auris biofilm: a review on model to mechanism conservation. Expert Rev Anti Infect Ther 2023; 21:295-308. [PMID: 36755419 DOI: 10.1080/14787210.2023.2179036] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
INTRODUCTION Candida auris is included in the fungal infection category 'critical' by WHO because of associated high drug tolerance and spread at an alarming rate which if remains untouched may result in serious outbreaks. Since its discovery in 2009, several assiduous efforts by mycologists across the world have deciphered its biology including growth physiology, drug tolerance, biofilm formation, etc. The differential response of various strains from different clades poses a hurdle in drawing a final conclusion. AREAS COVERED This review provides brief insights into the understanding of C. auris biofilm. It includes information on various models developed to understand the biofilms and conservation of different signaling pathways. Significant development has been made in the recent past with the generation of relevant in vivo and ex vivo models. The role of signaling pathways in the development of biofilm is largely unknown. EXPERT OPINION The selection of an appropriate model system is a must for the accuracy and reproducibility of results. The conservation of major signaling pathways in C. auris with respect to C. albicans and S. cerevisiae highlights that initial inputs acquired from orthologs will be valuable in getting insights into the mechanism of biofilm formation and associated pathogenesis.
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Affiliation(s)
- Arsha Khari
- School of Biotechnology, Gautam Buddha University, Greater Noida, India
| | | | | | - Anil Thakur
- Regional Centre for Biotechnology, Faridabad, India
| | - Rekha Puria
- School of Biotechnology, Gautam Buddha University, Greater Noida, India
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Das D, HogenEsch H, Thangamani S. Intestinal colonization with Candida auris and mucosal immune response in mice treated with cefoperazone oral antibiotic. Front Immunol 2023; 14:1123200. [PMID: 37114044 PMCID: PMC10126271 DOI: 10.3389/fimmu.2023.1123200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 03/29/2023] [Indexed: 04/29/2023] Open
Abstract
Candida auris, an emerging multi-drug resistant fungal pathogen, causes invasive infections in humans. The factors regulating the colonization of C. auris in host niches are not well understood. In this study, we examined the effect of antibiotic-induced gut dysbiosis on C. auris intestinal colonization, dissemination, microbiome composition and the mucosal immune response. Our results indicate that mice treated with cefoperazone alone had a significant increase in C. auris intestinal colonization compared to untreated control groups. A significant increase in the dissemination of C. auris from the intestine to internal organs was observed in antibiotic-treated immunosuppressed mice. Intestinal colonization of C. auris alters the microbiome composition of antibiotic-treated mice. Relative abundance of firmicutes members mainly Clostridiales and Paenibacillus were considerably increased in the cefoperazone-treated mice infected with C. auris compared to cefoperazone-treated uninfected mice. Next, we examined the mucosal immune response of C. auris infected mice and compared the results with Candida albicans infection. The number of CD11b+ CX3CR1+ macrophages was significantly decreased in the intestine of C. auris infected mice when compared to C. albicans infection. On the other hand, both C. auris and C. albicans infected mice had a comparable increase of the number of Th17 and Th22 cells in the intestine. A significant increase in Candida-specific IgA was observed in the serum of C. auris but not in the C. albicans infected mice. Taken together, treatment with broad-spectrum antibiotic increased the colonization and dissemination of C. auris from the intestine. Furthermore, findings from this study for the first time revealed the microbiome composition, innate and adaptive cellular immune response to intestinal infection with C. auris.
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Affiliation(s)
- Diprasom Das
- Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, IN, United States
| | - Harm HogenEsch
- Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, IN, United States
- Purdue Institute for Immunology, Inflammation and Infectious Diseases (PI4D), West Lafayette, IN, United States
| | - Shankar Thangamani
- Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, IN, United States
- Purdue Institute for Immunology, Inflammation and Infectious Diseases (PI4D), West Lafayette, IN, United States
- *Correspondence: Shankar Thangamani,
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11
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Sanyaolu A, Okorie C, Marinkovic A, Abbasi AF, Prakash S, Mangat J, Hosein Z, Haider N, Chan J. Candida auris: An Overview of the Emerging Drug-Resistant Fungal Infection. Infect Chemother 2022; 54:236-246. [PMID: 35794716 PMCID: PMC9259907 DOI: 10.3947/ic.2022.0008] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 03/11/2022] [Indexed: 12/12/2022] Open
Abstract
Candida auris is an invasive fungal pathogen that has been recognized globally as a serious health threat due to its extensive innate and acquired resistance to antifungal drugs. A growing number of emerging cases of C. auris have been reported with resistance to the standard antifungal treatments including azoles, echinocandins, and polyenes, making it difficult to treat. Unlike other Candida species, C. auris is challenging to diagnose using the standard laboratory methods and are typically prone to misidentification, resulting in inappropriate management. Consequently, C. auris infections have spread globally. The Centers for Disease Control and Prevention data showed that clinical cases of C. auris increased from 329 in 2018 to 1,012 in 2021. The incidence and prevalence of this invasive fungal infection are high in immunocompromised and hospitalized patients. Patients who had an organ transplant, are on immunosuppressive agents, are diabetic, recent antibiotic use, catheter use, and prolonged hospital or nursing homestays are vulnerable to C. auris infections. C. auris is rapidly spreading across healthcare settings globally and monitoring of its virulence as well as devising appropriate treatment approaches are thus highly required.
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Affiliation(s)
| | - Chuku Okorie
- Union County College, Plainfield Campus, Plainfield, NJ, USA
| | | | | | | | - Jasmine Mangat
- Caribbean Medical University School of Medicine, Willemstad, Curacao
| | - Zaheeda Hosein
- Caribbean Medical University School of Medicine, Willemstad, Curacao
| | - Nafees Haider
- All Saints University School of Medicine, Roseau, Dominica
| | - Jennifer Chan
- Medical University of the Americas, Nevis, Saint Kitts and Nevis
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12
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Desoubeaux G, Coste AT, Imbert C, Hennequin C. Overview about Candida auris: What's up 12 years after its first description? J Mycol Med 2022; 32:101248. [DOI: 10.1016/j.mycmed.2022.101248] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 01/04/2022] [Accepted: 01/19/2022] [Indexed: 12/18/2022]
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13
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Koshikawa T, Abe M, Nagi M, Miyazaki Y, Takemura H. Biofilm-formation capability depends on environmental oxygen concentrations in Candida species. J Infect Chemother 2022; 28:643-650. [PMID: 35115240 DOI: 10.1016/j.jiac.2022.01.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/26/2021] [Accepted: 01/15/2022] [Indexed: 12/01/2022]
Abstract
BACKGROUND Although oxygen concentrations inside of the human body vary depending on organs or tissues, few reports describe the relationships between biofilm formation of Candida species and oxygen concentrations. In this study, we investigated the biofilm-forming capabilities of Candida species under various oxygen conditions. METHODS We evaluated the adhesion and biofilm formation of Candida albicans and C. tropicalis under aerobic, microaerobic (oxygen concentration 5%), or anaerobic conditions. We also examined how oxygen concentration affects adhesion/maturation by changing adhesion/maturation phase conditions. We used crystal violet assay to estimate the approximate biofilm size, performed microscopic observation of biofilm morphology, and evaluated adhesion-associated gene expression. RESULTS The adhered amount was relatively small except for a clinical strain of C. tropicalis. Our biofilm-formation analysis showed that C. albicans formed a higher-size biofilm under aerobic conditions, while C. tropicalis favored microaerobic conditions to form mature biofilms. Our microscopic observations were consistent with these biofilm-formation analysis results. In particular, C. tropicalis exhibited more hyphal formation under microaerobic conditions. By changing the adhesion/maturation phase conditions, we represented that C. albicans had favorable biofilm-formation capability under aerobic conditions, while C. tropicalis showed enhanced biofilm formation under microaerobic adhesion conditions. In good agreement with these results, the C. tropicalis adhesion-associated gene expression tended to be higher under microaerobic or anaerobic conditions. CONCLUSIONS C. albicans favored aerobic conditions to form biofilms, whereas C. tropicalis showed higher biofilm-formation ability and promoted hyphal growth under microaerobic conditions. These results indicate that favorable oxygen conditions significantly differ for each Candida species.
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Affiliation(s)
- Takuro Koshikawa
- Department of Microbiology, St. Marianna University School of Medicine, Kawasaki, Japan; Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
| | - Masahiro Abe
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
| | - Minoru Nagi
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan; Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Tokyo, Japan
| | - Yoshitsugu Miyazaki
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan.
| | - Hiromu Takemura
- Department of Microbiology, St. Marianna University School of Medicine, Kawasaki, Japan
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14
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Simantirakis SC, MacCallum DM. Mouse Gastrointestinal Colonization Model for Candida auris. Methods Mol Biol 2022; 2517:329-340. [PMID: 35674966 DOI: 10.1007/978-1-0716-2417-3_26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Animal colonization and infection models are frequently used to investigate host-pathogen interactions and disease progression. Here, we describe an effective model to investigate the ability of the newly emerged fungal pathogen Candida auris to persistently colonize the gut of immunocompetent mice. In our model, mice are inoculated by gavage and are subsequently monitored for colonization by determining daily fungal stool burdens. At the end of the experiment, mice are culled, and their spleen, liver, kidneys, lungs, heart, and caecum harvested to determine the fungal burdens in order to investigate colonization and potentially dissemination of C. auris to other host organs.
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Affiliation(s)
- Stylianos C Simantirakis
- Aberdeen Fungal Group, Institute of Medical Sciences, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, UK
| | - Donna M MacCallum
- Aberdeen Fungal Group, Institute of Medical Sciences, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, UK.
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15
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Flores-Maldonado O, González GM, Andrade A, Montoya A, Treviño-Rangel R, Silva-Sánchez A, Becerril-García MA. Dissemination of Candida auris to deep organs in neonatal murine invasive candidiasis. Microb Pathog 2021; 161:105285. [PMID: 34774701 DOI: 10.1016/j.micpath.2021.105285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 11/03/2021] [Accepted: 11/04/2021] [Indexed: 10/19/2022]
Abstract
Candida auris is an emerging multidrug resistant fungal pathogen, which represents a major challenge for newborns systemic infections worldwide. Management of C. auris infections is complicated due to its intrinsic antifungal resistance and the limited information available on its pathogenesis, particularly during neonatal period. In this study, we developed a murine model of C. auris neonatal invasive infection. C. auris dissemination was evaluated by fungal burden and histopathological analysis of lung, brain, liver, kidney, and spleen at different time intervals. We found fungal cells in all the analyzed tissues, neonatal liver and brain were the most susceptible tissues to fungal invasion. This model will help to better understand pathogenesis mechanisms and facilitate strategies for control and prevention of C. auris infections in newborns.
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Affiliation(s)
- Orlando Flores-Maldonado
- Departamento de Microbiología, Universidad Autónoma de Nuevo León, Facultad de Medicina y Hospital Universitario "Dr. José Eleuterio González", Av. Francisco I. Madero, Mitras Centro, 64460, Monterrey, Mexico
| | - Gloria M González
- Departamento de Microbiología, Universidad Autónoma de Nuevo León, Facultad de Medicina y Hospital Universitario "Dr. José Eleuterio González", Av. Francisco I. Madero, Mitras Centro, 64460, Monterrey, Mexico
| | - Angel Andrade
- Departamento de Microbiología, Universidad Autónoma de Nuevo León, Facultad de Medicina y Hospital Universitario "Dr. José Eleuterio González", Av. Francisco I. Madero, Mitras Centro, 64460, Monterrey, Mexico
| | - Alexandra Montoya
- Departamento de Microbiología, Universidad Autónoma de Nuevo León, Facultad de Medicina y Hospital Universitario "Dr. José Eleuterio González", Av. Francisco I. Madero, Mitras Centro, 64460, Monterrey, Mexico
| | - Rogelio Treviño-Rangel
- Departamento de Microbiología, Universidad Autónoma de Nuevo León, Facultad de Medicina y Hospital Universitario "Dr. José Eleuterio González", Av. Francisco I. Madero, Mitras Centro, 64460, Monterrey, Mexico
| | - Aarón Silva-Sánchez
- Division of Clinical Immunology and Rheumatology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Miguel A Becerril-García
- Departamento de Microbiología, Universidad Autónoma de Nuevo León, Facultad de Medicina y Hospital Universitario "Dr. José Eleuterio González", Av. Francisco I. Madero, Mitras Centro, 64460, Monterrey, Mexico.
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16
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Piatti G, Sartini M, Cusato C, Schito AM. Colonization by Candida auris in critically ill patients: role of cutaneous and rectal localization during an outbreak. J Hosp Infect 2021; 120:85-89. [PMID: 34785292 DOI: 10.1016/j.jhin.2021.11.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 11/06/2021] [Accepted: 11/08/2021] [Indexed: 01/14/2023]
Abstract
BACKGOROUND Candida auris infections were reported worldwide since the pathogen was isolated in 2009. In a hospital setting of a C. auris epidemic, we analyzed incidence of cutaneous and intestinal colonization, and connection with infections by the organism. METHODS This was a retrospective study in intensive care units at a 1200-bed Italian hospital. The incidence of cutaneous positive swabs, and cutaneous carriers, for C. auris was compared to that of rectal positive swabs, and intestinal carriers, and both were correlated to C. auris infections. FINDINGS A total of 399 patients were included. Seventy-seven patients were infected by C. auris. Ratio of C. auris positive skin swabs from screening in ICUs was 24%. The ratio obtained from infected patients and intestinal C. auris carriers was 49.1%, likewise rectal swabs from similar cohort of patients (P = 0.373). 39.7% and 5.5% of this cohort was colonized only in skin and in rectum, respectively, while 54.8% was colonized in both sites. 12.3% and 83.6% of skin swabs was, respectively, always positive and variable over time in single subject, while 31.5% and 41.1% of rectal swabs were always positive and variable (P = 0.000). Intestinal colonization was associated with increased risk for C. auris urinary infections (P = 0.006). CONCLUSIONS C. auris intestinal carriers were fewer than cutaneous carriers, but more continously colonized. Rectal and skin swabs can be good tools for surveillance, respectively, of colonization and of hygiene measures effectiveness. Urinary tract infections by C. auris appeared increasing with gastrointestinal presence of the yeast.
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Affiliation(s)
- Gabriella Piatti
- DISC, Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy; Unit of Microbiology, Ospedale Policlinico San Martino, Genoa, Italy.
| | - Marina Sartini
- DISSAL, Department of Health Sciences, University of Genoa, Genoa, Italy
| | - Cristina Cusato
- Unit of Microbiology, Ospedale Policlinico San Martino, Genoa, Italy
| | - Anna Maria Schito
- DISC, Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
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17
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Garcia-Bustos V, Cabanero-Navalon MD, Ruiz-Saurí A, Ruiz-Gaitán AC, Salavert M, Tormo MÁ, Pemán J. What Do We Know about Candida auris? State of the Art, Knowledge Gaps, and Future Directions. Microorganisms 2021; 9:2177. [PMID: 34683498 PMCID: PMC8538163 DOI: 10.3390/microorganisms9102177] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/06/2021] [Accepted: 10/13/2021] [Indexed: 12/20/2022] Open
Abstract
Candida auris has unprecedently emerged as a multidrug resistant fungal pathogen, considered a serious global threat due to its potential to cause nosocomial outbreaks and deep-seated infections with staggering transmissibility and mortality, that has put health authorities and institutions worldwide in check for more than a decade now. Due to its unique features not observed in other yeasts, it has been categorised as an urgent threat by the Centers for Disease Control and Prevention and other international agencies. Moreover, epidemiological alerts have been released in view of the increase of healthcare-associated C. auris outbreaks in the context of the COVID-19 pandemic. This review summarises the current evidence on C. auris since its first description, from virulence to treatment and outbreak control, and highlights the knowledge gaps and future directions for research efforts.
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Affiliation(s)
- Victor Garcia-Bustos
- Department of Internal Medicine and Infectious Diseases, University and Polytechnic La Fe Hospital, 56026 Valencia, Spain;
- Severe Infection Research Group, Health Research Institute La Fe, 46026 Valencia, Spain; (A.C.R.-G.); (M.Á.T.); (J.P.)
- Department of Pathology, Faculty of Medicine and Dentistry, University of Valencia, 46010 Valencia, Spain;
| | - Marta D. Cabanero-Navalon
- Department of Internal Medicine and Infectious Diseases, University and Polytechnic La Fe Hospital, 56026 Valencia, Spain;
| | - Amparo Ruiz-Saurí
- Department of Pathology, Faculty of Medicine and Dentistry, University of Valencia, 46010 Valencia, Spain;
| | - Alba C. Ruiz-Gaitán
- Severe Infection Research Group, Health Research Institute La Fe, 46026 Valencia, Spain; (A.C.R.-G.); (M.Á.T.); (J.P.)
| | - Miguel Salavert
- Department of Internal Medicine and Infectious Diseases, University and Polytechnic La Fe Hospital, 56026 Valencia, Spain;
- Severe Infection Research Group, Health Research Institute La Fe, 46026 Valencia, Spain; (A.C.R.-G.); (M.Á.T.); (J.P.)
| | - María Á. Tormo
- Severe Infection Research Group, Health Research Institute La Fe, 46026 Valencia, Spain; (A.C.R.-G.); (M.Á.T.); (J.P.)
| | - Javier Pemán
- Severe Infection Research Group, Health Research Institute La Fe, 46026 Valencia, Spain; (A.C.R.-G.); (M.Á.T.); (J.P.)
- Department of Medical Microbiology, University and Polytechnic La Fe Hospital, 46026 Valencia, Spain
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18
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Carolus H, Jacobs S, Lobo Romero C, Deparis Q, Cuomo CA, Meis JF, Van Dijck P. Diagnostic Allele-Specific PCR for the Identification of Candida auris Clades. J Fungi (Basel) 2021; 7:754. [PMID: 34575792 PMCID: PMC8471779 DOI: 10.3390/jof7090754] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/08/2021] [Accepted: 09/10/2021] [Indexed: 12/19/2022] Open
Abstract
Candida auris is an opportunistic pathogenic yeast that emerged worldwide during the past decade. This fungal pathogen poses a significant public health threat due to common multidrug resistance (MDR), alarming hospital outbreaks, and frequent misidentification. Genomic analyses have identified five distinct clades that are linked to five geographic areas of origin and characterized by differences in several phenotypic traits such as virulence and drug resistance. Typing of C. auris strains and the identification of clades can be a powerful tool in molecular epidemiology and might be of clinical importance by estimating outbreak and MDR potential. As C. auris has caused global outbreaks, including in low-income countries, typing C. auris strains quickly and inexpensively is highly valuable. We report five allele-specific polymerase chain reaction (AS-PCR) assays for the identification of C. auris and each of the five described clades of C. auris based on conserved mutations in the internal transcribed spacer (ITS) rDNA region and a clade-specific gene cluster. This PCR method provides a fast, cheap, sequencing-free diagnostic tool for the identification of C. auris, C. auris clades, and potentially, the discovery of new clades.
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Affiliation(s)
- Hans Carolus
- Laboratory of Molecular Cell Biology, Department of Biology, Institute of Botany and Microbiology, KU Leuven, 3001 Leuven, Belgium; (H.C.); (S.J.); (C.L.R.)
- VIB-KU Leuven Center for Microbiology, 3001 Leuven, Belgium;
| | - Stef Jacobs
- Laboratory of Molecular Cell Biology, Department of Biology, Institute of Botany and Microbiology, KU Leuven, 3001 Leuven, Belgium; (H.C.); (S.J.); (C.L.R.)
| | - Celia Lobo Romero
- Laboratory of Molecular Cell Biology, Department of Biology, Institute of Botany and Microbiology, KU Leuven, 3001 Leuven, Belgium; (H.C.); (S.J.); (C.L.R.)
- VIB-KU Leuven Center for Microbiology, 3001 Leuven, Belgium;
| | - Quinten Deparis
- VIB-KU Leuven Center for Microbiology, 3001 Leuven, Belgium;
- Laboratory for Genetics and Genomics, Centre for Microbial and Plant Genetics, KU Leuven, 3001 Leuven, Belgium
| | | | - Jacques F. Meis
- Department of Medical Microbiology and Infectious Diseases, Canisius-Wilhelmina Hospital, 6532 Nijmegen, The Netherlands;
- Centre of Expertise in Mycology Radboudumc/CWZ, 6532 Nijmegen, The Netherlands
| | - Patrick Van Dijck
- Laboratory of Molecular Cell Biology, Department of Biology, Institute of Botany and Microbiology, KU Leuven, 3001 Leuven, Belgium; (H.C.); (S.J.); (C.L.R.)
- VIB-KU Leuven Center for Microbiology, 3001 Leuven, Belgium;
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