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Maciel NOP, Santos ARO, Felix CR, Landell MF, Pagani DM, Pimenta RS, Morais PB, Angchuan J, Wongpanit K, Srisuk N, Lachance MA, Rosa CA. Wickerhamiella martinezcruziae f. a., sp. nov., a yeast species isolated from tropical habitats. Int J Syst Evol Microbiol 2021; 71. [PMID: 34762580 DOI: 10.1099/ijsem.0.005092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Four yeast isolates with an affinity to the genus Wickerhamiella were obtained from beach sand, a marine zoanthid and a tree exudate at different localities in Brazil. Two other isolates with almost identical ITS and D1/D2 sequences of the large subunit rRNA gene were isolated from the small intestine of cattle and a grease trap in Thailand. These isolates represent a novel species phylogenetically related to Wickerhamiella verensis, Wickerhamiella osmotolerans, Wickerhamiella tropicalis, Wickerhamiella sorbophila and Wickerhamiella infanticola. The novel species differs by 15-30 nucleotide differences from these species in the D1/D2 sequences. The name Wickerhamiella martinezcruziae f.a., sp. nov. is proposed. The holotype of Wickerhamiella martinezcruziae sp. nov. is CBS 16104T. The MycoBank number is MB 839328.
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Affiliation(s)
- Natália O P Maciel
- Departamento de Microbiologia, ICB, C.P. 486, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil
| | - Ana R O Santos
- Departamento de Microbiologia, ICB, C.P. 486, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil
| | - Ciro R Felix
- Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Alagoas, Campus A. C. Simões, Av. Lourival Melo Mota, s/n, CEP: 57072-900, Maceió - AL, Brazil
| | - Melissa F Landell
- Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Alagoas, Campus A. C. Simões, Av. Lourival Melo Mota, s/n, CEP: 57072-900, Maceió - AL, Brazil
| | - Danielle M Pagani
- Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, 90050-170, Brazil
| | - Raphael S Pimenta
- Laboratório de Microbiologia Ambiental e Biotecnologia, Universidade Federal do Tocantins, Palmas, TO, 77020-220, Brazil
| | - Paula B Morais
- Laboratório de Microbiologia Ambiental e Biotecnologia, Universidade Federal do Tocantins, Palmas, TO, 77020-220, Brazil
| | - Jirameth Angchuan
- Department of Microbiology, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
| | - Kannika Wongpanit
- Faculty of Natural Resources and Agro-Industry, Kasetsart University, Chalermphrakiat Sakon Nakhon Province Campus, Sakon Nakhon, Thailand
| | - Nantana Srisuk
- Department of Microbiology, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand.,Biodiversity Center Kasetsart University (BDCKU), Bangkok, Thailand
| | - Marc-André Lachance
- Department of Biology, University of Western Ontario, London, Ontario, N6A 5B7, Canada
| | - Carlos A Rosa
- Departamento de Microbiologia, ICB, C.P. 486, Universidade Federal de Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil
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Koehler A, Heidrich D, Pagani DM, Corbellini VA, Scroferneker ML. Melanin and chromoblastomycosis agents: Characterization, functions, and relation with antifungals. J Basic Microbiol 2021; 61:203-211. [PMID: 33576034 DOI: 10.1002/jobm.202000664] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/23/2020] [Accepted: 12/28/2020] [Indexed: 12/23/2022]
Abstract
Melanins are a diverse group of dark pigments with similar properties. In fungi, the most studied is the dihydroxynaphtalene (DHN)-melanin, present in several species including all the chromoblastomycosis agents, a chronic, disabling, and recalcitrant subcutaneous mycosis. It is synthesized in a pathway known as the pentaketide pathway, which has the agrochemical tricyclazole as an inhibitor, widely used in in vitro studies because it does not prevent the growth of fungi. There are different methodologies for qualitative and quantitative analyses of DHN-melanin, which made it possible to discover its important structural and antioxidant functions, with melanin acting as a protective factor against the host's immune system. Also, it can interact with some of the main antifungals of medical interest, reducing its activity and the susceptibility of fungi to these agents. This review aims to discuss the aspects of DHN-melanin, focusing on chromoblastomycosis, bringing the main findings of the published scientific studies, and highlighting the need for further research to understand this important fungal pathogenicity and a virulence factor.
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Affiliation(s)
- Alessandra Koehler
- Department of Internal Medicine, Postgraduate Program in Medicine: Medical Sciences, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Daiane Heidrich
- Department of Internal Medicine, Postgraduate Program in Medicine: Medical Sciences, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Danielle M Pagani
- Department of Microbiology, Postgraduate Program in Agricultural and Environmental Microbiology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Valeriano A Corbellini
- Department of Chemistry and Physics, Postgraduate Program in Health Promotion, Postgraduate Program in Environmental Technology, Universidade de Santa Cruz do Sul, Santa Cruz do Sul, Brazil
| | - Maria L Scroferneker
- Department of Internal Medicine, Postgraduate Program in Medicine: Medical Sciences, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,Department of Microbiology, Immunology, and Parasitology, ICBS, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Heidrich D, González GM, Pagani DM, Ramírez-Castrillón M, Scroferneker ML. Chromoblastomycosis caused by Rhinocladiella similis: Case report. Med Mycol Case Rep 2017; 16:25-27. [PMID: 28458993 PMCID: PMC5397130 DOI: 10.1016/j.mmcr.2017.04.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 03/31/2017] [Accepted: 04/05/2017] [Indexed: 02/07/2023] Open
Abstract
We report a case of chromoblastomycosis in lesions on the chest and foot. Itraconazole was chosen as the initial treatment for this patient, who was followed up for 8 months before becoming noncompliant. The pathogenic fungal species was identified as Rhinocladiella similis by ITS region sequencing. In vitro analyses indicate that the fungus was sensitive to posaconazole and itraconazole. This report presents R. similis as a new agent of chromoblastomycosis and raises the hypothesis that this species could be more resistant to some antifungals than R. aquaspersa.
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Affiliation(s)
- Daiane Heidrich
- Graduate Program in Medicine: Medical Sciences, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos, 2400 − 2nd floor, Porto Alegre CEP: 90035-003, Brazil
| | - Gloria M. González
- Department of Microbiology, Facultad de Medicina, Universidad Autónoma de Nuevo León, Madero y Aguirre Pequeño, Col. Mitras Centro, Monterrey, N.L. C.P. 64460, Mexico
| | - Danielle M. Pagani
- Department of Microbiology, ICBS, Universidade Federal do Rio Grande do Sul. Rua Sarmento Leite, 500, Sala 210, Porto Alegre CEP: 90050-170, Brazil
| | - Mauricio Ramírez-Castrillón
- Department of Microbiology, ICBS, Universidade Federal do Rio Grande do Sul. Rua Sarmento Leite, 500, Sala 210, Porto Alegre CEP: 90050-170, Brazil
| | - Maria Lucia Scroferneker
- Graduate Program in Medicine: Medical Sciences, Universidade Federal do Rio Grande do Sul. Rua Ramiro Barcelos, 2400 − 2nd floor, Porto Alegre CEP: 90035-003, Brazil
- Department of Microbiology, Facultad de Medicina, Universidad Autónoma de Nuevo León, Madero y Aguirre Pequeño, Col. Mitras Centro, Monterrey, N.L. C.P. 64460, Mexico
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Landell MF, Brandão LR, Safar SVB, Gomes FCO, Félix CR, Santos ARO, Pagani DM, Ramos JP, Broetto L, Mott T, Vainstein MH, Valente P, Rosa CA. Bullera vrieseae sp. nov., a tremellaceous yeast species isolated from bromeliads. Int J Syst Evol Microbiol 2015; 65:2466-2471. [PMID: 25911536 DOI: 10.1099/ijs.0.000285] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Two independent surveys of yeasts associated with different bromeliads in different Brazilian regions led to the proposal of a novel yeast species, Bullera vrieseae sp. nov., belonging to the Tremellales clade (Agaricomycotina, Basidiomycota). Analysis of the sequences in the internal transcribed spacer (ITS) region and D1/D2 domain of the LSU rRNA gene suggested affinity to a phylogenetic lineage that includes Bullera miyagiana and Bullera sakaeratica. Six isolates of the novel species were obtained from different bromeliads and regions in Brazil. Sequence analysis of the D1/D2 domains of the large subunit of the rRNA gene showed that the novel species differs from B. miyagiana and B. sakaeratica by 85 and 64 nt substitutions, respectively and by more than 75 nt substitutions in the ITS region. Phenotypically, Bullera vrieseae sp. nov. can be distinguished from both species based on the assimilation of meso-erythritol, which was negative for B. vrieseae sp. nov. but positive for the others, assimilation of d-glucosamine, which was positive for B. vrieseae sp. nov. but negative for B. miyagiana and of l-sorbose, which was negative for B. vrieseae sp. nov. but positive for B. sakaeratica. The novel species Bullera vrieseae sp. nov. is proposed to accommodate these isolates. The type strain of Bullera vrieseae sp. nov. is UFMG-CM-Y379T (BRO443T; ex-type CBS 13870T).
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Affiliation(s)
- Melissa Fontes Landell
- Programa de Pós-Graduação em Diversidade Biológica e Conservação nos Trópicos, Universidade Federal de Alagoas, Maceió - AL, Brazil.,Setor de Genética/ICBS, Universidade Federal de Alagoas, Maceió - AL, Brazil
| | - Luciana R Brandão
- Departamento de Microbiologia, ICB, C.P. 486, Universidade Federal de Minas Gerais, Belo Horizonte - MG 31270-901, Brazil
| | - Silvana V B Safar
- Departamento de Microbiologia, ICB, C.P. 486, Universidade Federal de Minas Gerais, Belo Horizonte - MG 31270-901, Brazil
| | - Fatima C O Gomes
- Departamento de Química, Centro Federal de Educação Tecnológica de Minas Gerais, Belo Horizonte - MG 30421-169, Brazil
| | - Ciro R Félix
- Setor de Genética/ICBS, Universidade Federal de Alagoas, Maceió - AL, Brazil
| | - Ana Raquel O Santos
- Departamento de Microbiologia, ICB, C.P. 486, Universidade Federal de Minas Gerais, Belo Horizonte - MG 31270-901, Brazil
| | - Danielle M Pagani
- Setor de Genética/ICBS, Universidade Federal de Alagoas, Maceió - AL, Brazil.,Programa de Pós-Graduação em Diversidade Biológica e Conservação nos Trópicos, Universidade Federal de Alagoas, Maceió - AL, Brazil
| | - Jesus P Ramos
- National Reference Laboratory for Tuberculosis, Centro de Referência Professor Hélio Fraga, Escola Nacional de Saúde Pública, Fiocruz - RJ, Brazil
| | - Leonardo Broetto
- Setor de Genética/ICBS, Universidade Federal de Alagoas, Maceió - AL, Brazil
| | - Tamí Mott
- Programa de Pós-Graduação em Diversidade Biológica e Conservação nos Trópicos, Universidade Federal de Alagoas, Maceió - AL, Brazil
| | - Marilene H Vainstein
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre - RS, Brazil
| | - Patricia Valente
- Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal do Rio Grande do Sul, Porto Alegre - RS, Brazil
| | - Carlos A Rosa
- Departamento de Microbiologia, ICB, C.P. 486, Universidade Federal de Minas Gerais, Belo Horizonte - MG 31270-901, Brazil
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