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Grizante Barião PH, Cayún Y, Sepúlveda M, Tonani L, Gonçalves de Almeida OG, Cornejo P, Dias N, Santos C, von Zeska Kress MR. MALDI-TOF MS: A Quick Method to Detect the Susceptibility of Fusarium spp. Clinical Isolates to Amphotericin B. Microorganisms 2023; 11:1834. [PMID: 37513006 PMCID: PMC10383446 DOI: 10.3390/microorganisms11071834] [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: 06/21/2023] [Revised: 07/10/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
Disseminated fusariosis is treated with amphotericin B and voriconazole. To determine adequate therapy, the minimal inhibitory concentration (MIC) is used. However, MIC analysis is based on visual observation and requires a long period of fungal incubation. The measure of the minimal profile change concentration (MPCC) using MALDI-TOF MS is a quick spectral method that has presented good results in determining the antimicrobial resistance of yeasts. However, there is a lack of information on filamentous fungi. In the present work, 13 Fusarium spp. clinical isolates and two reference strains were used. MIC was obtained according to the M38-A2 protocol of the Clinical Laboratory Standards Institute, while MPPC was obtained following the initial steps of the M38-A2 protocol. Both Biotyper and the Rstudio environment were used to analyze mass spectra. For some fungal strains, the data obtained from the software MALDI Biotyper Compass 4.1 led to fuzzy heatmaps resulting in difficult interpretation, while heatmaps obtained using Rstudio tools generated better MPCC resolutions. Herein, 86.6% of the AMB MPCC values were highly correlated with the gold-standard AMB MIC. MALDI-TOF MS is a prominent tool used to determine MPCCs quicker, cost-effectively, and more accurately for Fusarium spp. strains. However, better statistical analyses could help measure the technique's limit detection.
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Affiliation(s)
- Patrícia Helena Grizante Barião
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão, Ribeirão Preto 14040-903, SP, Brazil
- Programa de Doctorado en Ciencias Mención Biología Celular y Molecular Aplicada, Universidad de La Frontera, Temuco 4811-230, Chile
| | - Yasna Cayún
- Department of Chemical Science and Natural Resources, Universidad de La Frontera, Temuco 4811-230, Chile
| | - Marcela Sepúlveda
- Programa de Doctorado en Ciencias de Recursos Naturales, Universidad de La Frontera, Temuco 4811-230, Chile
| | - Ludmilla Tonani
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão, Ribeirão Preto 14040-903, SP, Brazil
| | - Otavio Guilherme Gonçalves de Almeida
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão, Ribeirão Preto 14040-903, SP, Brazil
| | - Pablo Cornejo
- Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Quillota 2260-000, Chile
| | - Nathalia Dias
- Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco 4811-230, Chile
| | - Cledir Santos
- Department of Chemical Science and Natural Resources, Universidad de La Frontera, Temuco 4811-230, Chile
| | - Marcia Regina von Zeska Kress
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão, Ribeirão Preto 14040-903, SP, Brazil
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Bagga B, Das S, Tawde Y, Singh S, Shaw T, Sharma S, Ghosh A. Fusarium Keratitis From a Comprehensive Eye Health Care Facility in South India: Molecular Characterization by MALDI-TOF Versus PCR Sequencing, Species Complex Distribution, and Clinical Correlation. Cornea 2023; Publish Ahead of Print:00003226-990000000-00304. [PMID: 37267470 DOI: 10.1097/ico.0000000000003315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 04/20/2023] [Indexed: 06/04/2023]
Abstract
PURPOSE Fusarium keratitis possesses significant diagnostic and therapeutic challenges. Medically relevant Fusaria belong to various species complexes and show prominent differences in their antifungal susceptibility profile which may influence the clinical outcome. Rapid diagnostic methods are warranted for precise identification of species complexes for prompt initiation of correct antifungals. The aim of the study was to compare between matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF) and PCR sequencing for correct species-level identification and to analyze the clinical outcome among different Fusarium species complexes. METHODS Twenty-nine culture-proven Fusarium keratitis cases were included in this study. A phylogenetic tree was constructed after TEF1α gene sequencing and isolates were subjected to MALDI-TOF MS, followed by database expansion and identification. Clinical outcome and risk association among species complexes were analyzed retrospectively. RESULTS Maximum likelihood phylogeny categorized 68.9% isolates as Fusarium solani species complex (FSSC), 17.2% as Fusarium dimerum species complex (FDSC), followed by 13.7% as Fusarium fujikuroi species complex (FFSC). With extended database, MALDI-TOF MS could correctly speciate 96.5% (28/29) isolates. Previous antibiotic usage (P = 0.034) and preoperative antifungal treatment with natamycin, voriconazole, or ketoconazole (P = 0.025) were significantly higher in the FSSC group. The patients in the FFSC group had a significantly longer duration of symptoms at the time of clinical presentation to the clinic (15 days vs. 5 days, P = 0.030). Among 11 patients with a clinically poor outcome, 9 (31%) had FSSC infection. CONCLUSIONS Patients infected with the FSSC had more aggressive infection with poor prognosis. MALDI-TOF MS can serve as the best alternative method to conventional molecular identification with reduced turnaround time, which may help the ophthalmologists to consider the appropriate antifungals or early surgical intervention for improved outcome.
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Affiliation(s)
- Bhupesh Bagga
- Department of Cornea and Anterior Segment, L. V. Prasad Eye Institute, Hyderabad, Telangana, India
| | - Sourav Das
- Department of Medical Microbiology (Mycology Division), Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Yamini Tawde
- Department of Medical Microbiology (Mycology Division), Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Shreya Singh
- Department of Microbiology, Dr B. R. Ambedkar Institute of Medical Sciences (AIMS Mohali), Chandigarh, India
| | - Tushar Shaw
- Department of Life and Allied Health Sciences, Ramaiah University of Applied Sciences, Bangalore, Karnataka, India; and
| | - Savitri Sharma
- Jhaveri Microbiology Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India
| | - Anup Ghosh
- Department of Medical Microbiology (Mycology Division), Post Graduate Institute of Medical Education and Research, Chandigarh, India
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Nosratabadi M, Faeli L, Haghani I, Mohammadi R, Khodavaisy S, Kachuei R, Katiraee F, Aghili SR, Shokohi T, Hedayati MT, Nazeri M, Javan-Nikkhah M, Zarrinfar H, Javidnia J, Najafzadeh MJ, Salimi M, M S Al Hatmi A, Badali H, Abastabar M. In vitro antifungal susceptibility profile of Iranian Fusarium isolates: Emphasising on the potent inhibitory effect of efinaconazole compared to other drugs. Mycoses 2023; 66:258-275. [PMID: 36447396 DOI: 10.1111/myc.13550] [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: 08/27/2022] [Revised: 11/17/2022] [Accepted: 11/25/2022] [Indexed: 12/05/2022]
Abstract
BACKGROUND Fusarium species are opportunistic human pathogens that remarkably cause fungal infections ranging from superficial to fatal invasive disseminated infections. Fusarium species are notoriously resistant to the majority of antifungal agents. OBJECTIVES Therefore, detailed studies regarding in vitro susceptibility are required and may lead to a better prognosis of severe infections. METHODS We evaluated 25 antifungal drugs in vitro against 282 clinical and environmental Fusarium isolates. RESULTS Fusarium species demonstrated high MICs/MECs values to the most commonly used antifungal drugs in clinical practice. The geometric mean (GM) MICs for luliconazole (0.004 μg/ml) and lanoconazole (0.012 μg/ml) were the lowest, followed by efinaconazole (0.98 μg/ml) and amphotericin B (1.04 μg/ml). CONCLUSIONS Efinaconazole, a novel triazole, may be a promising candidate for the treatment of superficial Fusarium infections. Furthermore, the development of systemic formulations of these drugs as well as further in vitro and in vivo investigations could aid in the treatment of systemic fusariosis.
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Affiliation(s)
- Mohsen Nosratabadi
- Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Invasive Fungi Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Leila Faeli
- Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Invasive Fungi Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Iman Haghani
- Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Invasive Fungi Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Rasoul Mohammadi
- Department of Medical Parasitology and Mycology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sadegh Khodavaisy
- Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Kachuei
- Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah, Tehran, Iran
| | - Farzad Katiraee
- Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tehran, Iran
| | - Seyed Reza Aghili
- Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Invasive Fungi Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Tahereh Shokohi
- Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Invasive Fungi Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mohammad Taghi Hedayati
- Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Invasive Fungi Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mehdi Nazeri
- Infectious Diseases Research Center, Kashan University of Medical Sciences, Kashan, Iran
| | - Mohammad Javan-Nikkhah
- Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
| | - Hossein Zarrinfar
- Allergy Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Javad Javidnia
- Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Invasive Fungi Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mohammad-Javad Najafzadeh
- Department of Parasitology and Mycology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maryam Salimi
- Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Invasive Fungi Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Abdullah M S Al Hatmi
- Natural & Medical Sciences Research Center, University of Nizwa, Nizwa, Oman.,Center of Expertise in Mycology, Radboud University Medical Center/Canisius Wilhelmina Hospital, Nijmegen, The Netherlands
| | - Hamid Badali
- Department of Molecular Microbiology & Immunology, South Texas Center for Emerging Infectious Diseases, The University of Texas at San Antonio, Texas, San Antonio, USA
| | - Mahdi Abastabar
- Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Invasive Fungi Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
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Guo P, Chen J, Tan Y, Xia L, Zhang W, Li X, Jiang Y, Li R, Chen C, Liao K, Peng Y. Comparison of molecular and MALDI-TOF MS identification and antifungal susceptibility of clinical Fusarium isolates in Southern China. Front Microbiol 2022; 13:992582. [PMID: 36386677 PMCID: PMC9664484 DOI: 10.3389/fmicb.2022.992582] [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: 07/12/2022] [Accepted: 08/22/2022] [Indexed: 12/04/2023] Open
Abstract
BACKGROUND Fusarium species are opportunistic causative agents of superficial and disseminated human infections. Fast and accurate identification and targeted antifungal therapy give help to improve the patients' prognosis. OBJECTIVES This study aimed to evaluate the effectiveness of matrix-assisted laser desorption ionisation time of flight mass spectrometry (MALDI-TOF MS) for Fusarium identification, and investigate the epidemiology and antifungal susceptibility profiles of clinical Fusarium isolates in Southern China. METHODS There were 95 clinical Fusarium isolates identified by DNA sequencing of translation elongation factor 1-alpha (TEF1α) and MALDI-TOF MS, respectively. Antifungal susceptibility testing of isolates was performed by broth microdilution according to the CLSI approved standard M38-A3 document. RESULTS Seven species complexes (SC) with 17 Fusarium species were identified. The most prevalent SC was the F. solani SC (70.5%, 67/95), followed by the F. fujikuroi SC (16.8%, 16/95). F. keratoplasticum within the F. solani SC was the most prevalent species (32.6%, 31/95). There were 91.6% (87/95) of isolates identified by MALDI-TOF MS at the SC level. In most of species, amphotericin B and voriconazole showed lower MICs compared to itraconazole and terbinafine. The F. solani SC showed higher MICs to these antifungal agents compared to the other SCs. There were 10.5% (10/95) of strains with high MICs for amphotericin B (≥8 μg/ml), terbinafine (≥32 μg/ml) and itraconazole (≥32 μg/ml) simultaneously, mostly focusing on F. keratoplasticum (9/10). CONCLUSION MALDI-TOF MS exhibited good performance on the identification of Fusarium strains at the SC level. The F. solani SC was the most prevalent clinical SC in Southern China. The MICs varied significantly among different species or SCs to different antifungal agents.
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Affiliation(s)
- Penghao Guo
- Department of Clinical Laboratory, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jianlong Chen
- Department of Clinical Laboratory, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yiwei Tan
- Department of Clinical Laboratory, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
| | - Li Xia
- Department of Clinical Laboratory, Jieyang People’s Hospital, Jieyang, China
| | - Weizheng Zhang
- Department of Clinical Laboratory, Guangzhou No.11 People’s Hospital, Guangzhou, China
| | - Xiaojie Li
- Department of Clinical Laboratory, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yujie Jiang
- Department of Clinical Laboratory, Central Hospital of Guangdong Nongken, Zhanjiang, China
| | - Ruiying Li
- Department of Clinical Laboratory, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, China
| | - Chunmei Chen
- Department of Clinical Laboratory, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China
| | - Kang Liao
- Department of Clinical Laboratory, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yaqin Peng
- Department of Clinical Laboratory, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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Dark Mold Infections in Solid Organ Transplant Recipients. CURRENT FUNGAL INFECTION REPORTS 2022. [DOI: 10.1007/s12281-022-00436-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Furmanek Ł, Czarnota P, Seaward MRD. A review of the potential of lichen substances as antifungal agents: the effects of extracts and lichen secondary metabolites on Fusarium fungi. Arch Microbiol 2022; 204:523. [PMID: 35881248 PMCID: PMC9325835 DOI: 10.1007/s00203-022-03104-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 06/06/2022] [Accepted: 06/27/2022] [Indexed: 11/26/2022]
Abstract
The present meta-analysis provides literature data on the effect of lichen extracts and single secondary metabolites used against Fusarium spp. moulds. Lichen extracts were obtained from 51 corticolous, 17 terricolous and 18 saxicolous lichen species and 37 secondary compounds were tested against eight fungal species, i.e., Fusarium acuminatum, F. avenaceum, F. culmorum, F. fujikuroi, F. oxysporum, F. roseum, F. solani and F. udum. The researchers used several test methods, mostly to determine MIC and IZ. Extracts were obtained using several solvents, mainly organic ones with use of the Soxhlet apparatus. The most frequently tested species was F. oxysporum, against which lichen substances from Alectoria sarmentosa, Cladonia mitis, C. rangiferina, Flavoparmelia caperata, Hypotrachyna cirrhata, Leucodermia leucomelos, Parmotrema austrosinense, P. reticulatum, Physcia aipolia, Pseudevernia furfuracea, Roccella montagnei and Umbilicaria nylanderiana and secondary metabolites such as 2-hydroxy-4-methoxy-3,6-dimethylbenzoic acid, atranorin, lecanoric and (+)-usnic acids showed the highest antifungal potential. These agencies could compete with the potential of fungicides, such as flucytosine and fluconazole. Other species have been poorly investigated. Statistical analysis of literature data showed that the fungistatic potential of lichen extracts is significantly different from individual secondary metabolites. Similarly, the potential of secondary metabolites often differs significantly from that of non-lichen substances. This meta-analysis indicates the potential of lichen substances as future anti-fusarial agents.
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Affiliation(s)
- Łukasz Furmanek
- Department of Ecology and Environmental Protection, University of Rzeszów, ul. Zelwerowicza 4, 35-601, Rzeszow, Poland.
| | - Paweł Czarnota
- Department of Ecology and Environmental Protection, University of Rzeszów, ul. Zelwerowicza 4, 35-601, Rzeszow, Poland
| | - Mark R D Seaward
- School of Archaeological and Forensic Sciences, University of Bradford, Bradford, BD7 1DP, UK
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