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Hamilton-Seth R, Streva V, Gammel N, Campodónico VL, Simner PJ, Zhang SX, Carroll KC. Evaluation of false-positive Rhodotorula detections by a multiplex PCR-based fungal panel performed on positive blood culture bottles. J Clin Microbiol 2024; 62:e0017924. [PMID: 38629843 PMCID: PMC11077967 DOI: 10.1128/jcm.00179-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/09/2024] Open
Affiliation(s)
- Robert Hamilton-Seth
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Vincent Streva
- Pathology and Laboratory Medicine, Northwell Health Laboratories, Queens, New York, USA
| | - Natalie Gammel
- Microbiology Division, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Victoria L. Campodónico
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Patricia J. Simner
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Microbiology Division, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Sean X. Zhang
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Microbiology Division, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Karen C. Carroll
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Microbiology Division, Johns Hopkins Hospital, Baltimore, Maryland, USA
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Menu E, Filori Q, Dufour JC, Ranque S, L’Ollivier C. A Repertoire of the Less Common Clinical Yeasts. J Fungi (Basel) 2023; 9:1099. [PMID: 37998905 PMCID: PMC10671991 DOI: 10.3390/jof9111099] [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: 10/09/2023] [Revised: 11/08/2023] [Accepted: 11/08/2023] [Indexed: 11/25/2023] Open
Abstract
Invasive fungal diseases are a public health problem. They affect a constantly increasing number of at-risk patients, and their incidence has risen in recent years. These opportunistic infections are mainly due to Candida sp. but less common or rare yeast infections should not be underestimated. These so-called "less common" yeasts include Ascomycota of the genera Candida (excluding the five major Candida species), Magnusiomyces/Saprochaete, Malassezia, and Saccharomyces, and Basidiomycota of the genera Cryptococcus (excluding the Cryptococcus neoformans/gattii complex members), Rhodotorula, and Trichosporon. The aim of this review is to (i) inventory the less common yeasts isolated in humans, (ii) provide details regarding the specific anatomical locations where they have been detected and the clinical characteristics of the resulting infections, and (iii) provide an update on yeast taxonomy. Of the total of 239,890 fungal taxa and their associated synonyms sourced from the MycoBank and NCBI Taxonomy databases, we successfully identified 192 yeasts, including 127 Ascomycota and 65 Basidiomycota. This repertoire allows us to highlight rare yeasts and their tropism for certain anatomical sites and will provide an additional tool for diagnostic management.
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Affiliation(s)
- Estelle Menu
- Laboratoire de Parasitologie-Mycologie, IHU Méditerranée Infection, 13385 Marseille, France; (S.R.); (C.L.)
- Institut de Recherche pour le Développement, Assistance Publique-Hôpitaux de Marseille, Service de Santé des Armées, VITROME: Vecteurs-Infections Tropicales et Méditerranéennes, Aix Marseille Université, 13385 Marseille, France
| | - Quentin Filori
- INSERM, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l’Information Médicale, ISSPAM, Aix Marseille University, 13385 Marseille, France; (Q.F.); (J.-C.D.)
| | - Jean-Charles Dufour
- INSERM, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l’Information Médicale, ISSPAM, Aix Marseille University, 13385 Marseille, France; (Q.F.); (J.-C.D.)
- APHM, Hôpital de la Timone, Service Biostatistique et Technologies de l’Information et de la Communication, 13385 Marseille, France
| | - Stéphane Ranque
- Laboratoire de Parasitologie-Mycologie, IHU Méditerranée Infection, 13385 Marseille, France; (S.R.); (C.L.)
- Institut de Recherche pour le Développement, Assistance Publique-Hôpitaux de Marseille, Service de Santé des Armées, VITROME: Vecteurs-Infections Tropicales et Méditerranéennes, Aix Marseille Université, 13385 Marseille, France
| | - Coralie L’Ollivier
- Laboratoire de Parasitologie-Mycologie, IHU Méditerranée Infection, 13385 Marseille, France; (S.R.); (C.L.)
- Institut de Recherche pour le Développement, Assistance Publique-Hôpitaux de Marseille, Service de Santé des Armées, VITROME: Vecteurs-Infections Tropicales et Méditerranéennes, Aix Marseille Université, 13385 Marseille, France
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Gharaghani M, Taghipour S, Zarei Mahmoudabadi A. Molecular identification, biofilm formation and antifungal susceptibility of Rhodotorula spp. Mol Biol Rep 2020; 47:8903-8909. [PMID: 33130966 DOI: 10.1007/s11033-020-05942-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 10/22/2020] [Indexed: 10/23/2022]
Abstract
Luliconazole is an imidazole antifungal agent used in topical form for the treatment of onychomycosis and dermatophytosis. In vitro activity of luliconazole against dermatophytes, Candida, black fungi, Fusarium and Aspergillus species have been investigated. Rhodotorula spp. are environmental yeasts and emerged as opportunistic pathogens among immunocompromised patients. Rhodotorula's human infections are usually resistant to treatment with antifungal drugs especially triazoles and echinocandins. The present study aimed at the molecular detection of environmental isolates of Rhodotorula spp. Then, antifungal efficacy of luliconazole was evaluated against isolates and compared to other routine systemic antifungals including; caspofungin, posaconazole, fluconazole, itraconazole, amphotericin B, and voriconazole. The biofilm production of Rhodotorula isolates was also evaluated. In this study, 39 isolates of Rhodotorula spp. were isolated from the environment, detected using molecular methods, and tested against luliconazole. Then, the anti-fungal activity of luliconazole compared with several routine antifungals. Also, biofilm formation by using a crystal violet staining assay was performed. Our finding showed that luliconazole has a very high minimum inhibitory concentration (MIC) value (1-8 µg/ml) against Rhodotorula spp. Besides, 100% of Rhodotorula strains were resistant to caspofungin, followed by fluconazole 94.7% and voriconazole 74.4%. Amphotericin B was demonstrated excellent in vitro activity against this genus. Our result indicated that 59% of Rhodotorula spp. were in the mid-range of biofilm production. Our results indicated that luliconazole does not effective against the genus Rhodotorula. Furthermore, amphotericin B is the best drug against this genus in comparison to caspofungin and other azole drugs.
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Affiliation(s)
- Maral Gharaghani
- Department of Medical Mycology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Simin Taghipour
- Department of Medical Mycology and Parasitology, School of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Ali Zarei Mahmoudabadi
- Department of Medical Mycology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran. .,Infectious and Tropical Diseases Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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Ioannou P, Vamvoukaki R, Samonis G. Rhodotorulaspecies infections in humans: A systematic review. Mycoses 2018; 62:90-100. [DOI: 10.1111/myc.12856] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Revised: 09/19/2018] [Accepted: 09/22/2018] [Indexed: 01/20/2023]
Affiliation(s)
- Petros Ioannou
- Department of Internal Medicine & Infectious Diseases; University Hospital of Heraklion; Heraklion Greece
| | - Rodanthi Vamvoukaki
- Department of Internal Medicine & Infectious Diseases; University Hospital of Heraklion; Heraklion Greece
| | - George Samonis
- Department of Internal Medicine & Infectious Diseases; University Hospital of Heraklion; Heraklion Greece
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Jarros IC, Okuno É, Costa MI, Veiga FF, de Souza Bonfim-Mendonça P, Negri MFN, Svidzinski TIE. Yeasts from skin colonization are able to cross the acellular dermal matrix. Microb Pathog 2018; 117:1-6. [PMID: 29428422 DOI: 10.1016/j.micpath.2018.02.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2017] [Revised: 02/07/2018] [Accepted: 02/07/2018] [Indexed: 10/18/2022]
Abstract
In recent decades, the prognosis for burn patients has improved considerably with the development of specialized care. The acellular dermal matrix (ADM) is a totally artificial acellular device that functions to control water loss, prevent penetration by bacteria and allow migration of endothelial cells and fibroblasts from patient tissues. However, little is known about its effectiveness against yeasts. The present study evaluated the capacity of colonization and migration of some human commensal yeasts. Three clinical isolates from skin scales, identified as Candida parapsilosis, Candida glabrata and Rhodotorula mucilaginosa, were used. Their ability to cross the ADM was evaluated. After three days, all isolates had crossed the ADM. C. parapsilosis showed the lowest growth, while R. mucilaginosa showed intermediate and C. glabrata the highest growth. In the plates incubated for seven days, the growth of C. parapsilosis and C. glabrata increased by 1 log over the third day. All isolates have the capacity to colonize and migrate through the matrix, increasing the potential risk to burn patients, who can develop severe and even fatal infections by invasive fungi.
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Affiliation(s)
- Isabele Carrilho Jarros
- Division of Medical Mycology, Teaching and Research Laboratory in Clinical Analyses, Department of Clinical Analysis of State University of Maringá, Paraná, Brazil
| | - Érika Okuno
- Division of Medical Mycology, Teaching and Research Laboratory in Clinical Analyses, Department of Clinical Analysis of State University of Maringá, Paraná, Brazil
| | - Maiara Ignacio Costa
- Division of Medical Mycology, Teaching and Research Laboratory in Clinical Analyses, Department of Clinical Analysis of State University of Maringá, Paraná, Brazil
| | - Flávia Franco Veiga
- Division of Medical Mycology, Teaching and Research Laboratory in Clinical Analyses, Department of Clinical Analysis of State University of Maringá, Paraná, Brazil
| | - Patricia de Souza Bonfim-Mendonça
- Division of Medical Mycology, Teaching and Research Laboratory in Clinical Analyses, Department of Clinical Analysis of State University of Maringá, Paraná, Brazil
| | - Melyssa Fernanda Norman Negri
- Division of Medical Mycology, Teaching and Research Laboratory in Clinical Analyses, Department of Clinical Analysis of State University of Maringá, Paraná, Brazil
| | - Terezinha Inez Estivalet Svidzinski
- Division of Medical Mycology, Teaching and Research Laboratory in Clinical Analyses, Department of Clinical Analysis of State University of Maringá, Paraná, Brazil.
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Bozic J, Capone A, Pediconi D, Mensah P, Cappelli A, Valzano M, Mancini MV, Scuppa P, Martin E, Epis S, Rossi P, Favia G, Ricci I. Mosquitoes can harbour yeasts of clinical significance and contribute to their environmental dissemination. ENVIRONMENTAL MICROBIOLOGY REPORTS 2017; 9:642-648. [PMID: 28714286 DOI: 10.1111/1758-2229.12569] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 07/07/2017] [Accepted: 07/10/2017] [Indexed: 06/07/2023]
Abstract
There is still a lack of studies on fungal microbiota in mosquitoes, compared with the number available on bacterial microbiota. This study reports the identification of yeasts of clinical significance in laboratory mosquito species: Anopheles gambiae, Anopheles stephensi, Culex quinquefasciatus, Aedes albopictus and Aedes aegypti. Among the yeasts isolated, they focused on the opportunistic pathogen Candida parapsilosis, since there is a need to better understand breakthrough candidaemia with resistance to the usual antifungals, which requires careful consideration in the broad-spectrum therapy, as documented in many clinical reports. C. parapsilosis occurs widely and has been isolated from diverse sources, including insects, which may contribute to its dissemination. In this study, it was isolated from the gut of An. gambiae and its presence in developmental stages and organs of different mosquito species was studied. Our results indicated that there was a stable association between C. parapsilosis and reared mosquitoes during the entire life cycle, and in adult male and female gut and gonads. A wide occurrence of C. parapsilosis was also documented in several populations of wild mosquitoes. Based on these findings, it can be said that mosquitoes might participate in the spreading of this opportunistic pathogen, not only as a carrier.
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Affiliation(s)
- Jovana Bozic
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile da Varano III 62032, Camerino, Italy
| | - Aida Capone
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile da Varano III 62032, Camerino, Italy
| | - Dario Pediconi
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile da Varano III 62032, Camerino, Italy
| | - Priscilla Mensah
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile da Varano III 62032, Camerino, Italy
| | - Alessia Cappelli
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile da Varano III 62032, Camerino, Italy
| | - Matteo Valzano
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile da Varano III 62032, Camerino, Italy
| | - Maria Vittoria Mancini
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile da Varano III 62032, Camerino, Italy
| | - Patrizia Scuppa
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile da Varano III 62032, Camerino, Italy
| | - Elena Martin
- Department of Veterinary Sciences and Public Health, University of Milan, Milan, 20133, Italy
| | - Sara Epis
- Department of Veterinary Sciences and Public Health, University of Milan, Milan, 20133, Italy
| | - Paolo Rossi
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile da Varano III 62032, Camerino, Italy
| | - Guido Favia
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile da Varano III 62032, Camerino, Italy
| | - Irene Ricci
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Gentile da Varano III 62032, Camerino, Italy
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A Case of Onychomycosis Caused by Rhodotorula glutinis. Case Rep Dermatol Med 2014; 2014:563261. [PMID: 25328721 PMCID: PMC4190823 DOI: 10.1155/2014/563261] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 09/16/2014] [Indexed: 01/08/2023] Open
Abstract
Rhodotorula spp. have emerged as opportunistic pathogens, particularly in immunocompromised patients. The current study reports a case of onychomycosis caused by Rhodotorula glutinis in a 74-year-old immunocompetent female. The causative agent was identified as R. glutinis based on the pinkish-orange color; mucoid-appearing yeast colonies on Sabouraud Dextrose Agar at 25°C; morphological evaluation in the Corn Meal-Tween 80 agar; observed oval/round budding yeast at 25°C for 72 hours; no observed pseudohyphae; positive urease activity at 25°C for 4 days; and assimilation features detected by API ID 32C kit and automated Vitek Yeast Biochemical Card 2 system. Antifungal susceptibility test results were as follows: amphotericin B (MIC = 0.5 µg/mL), fluconazole (MIC = 128 µg/mL), itraconazole (MIC = 0.125 µg/mL), voriconazole (MIC = 1 µg/mL), posaconazole (MIC = 0.5 µg/mL), anidulafungin (MIC = 0.5 µg/mL), and caspofungin (MIC = 16 µg/mL). Antifungal therapy was initiated with oral itraconazole at a dose of 400 mg/day; seven-day pulse therapy was planned at intervals of three weeks. Clinical recovery was observed in the clinical evaluation of the patient before the start of the third cure. Although R. glutinis has rarely been reported as the causative agent of onychomycosis, it should be considered.
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