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  1 / 454 MEDLINE  
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[PMID]:28139861
[Au] Autor:Silva WC; Gonçalves SS; Santos DW; Padovan AC; Bizerra FC; Melo AS
[Ad] Endereço:Laboratório Especial de Micologia, Disciplina de Infectologia, Universidade Federal de São Paulo, São Paulo, Brazil.
[Ti] Título:Species diversity, antifungal susceptibility and phenotypic and genotypic characterisation of Exophiala spp. infecting patients in different medical centres in Brazil.
[So] Source:Mycoses;60(5):328-337, 2017 May.
[Is] ISSN:1439-0507
[Cp] País de publicação:Germany
[La] Idioma:eng
[Ab] Resumo:The Exophiala genus is responsible for many superficial and invasive infections resulting from black fungi. Identification of Exophiala at the species level is based on morphological observations complemented by molecular tests. The aim of this study was to identify 23 clinical isolates of Exophiala spp. and evaluate the antifungal susceptibility to seven different agents. Molecular identification was based on an analysis of ITS region of rDNA using genomic databases. The micromorphology was evaluated by microculture and scanning electron microscopy. The susceptibility tests were performed using the antifungal agents 5-fluorocytosine (5-FC), amphotericin B (AMB), itraconazole (ITC), voriconazole (VRC), posaconazole (PSC), caspofungin (CFG) and terbinafine (TRB). The ITS analysis identified 100% of the following isolates as: E. dermatitidis (8), E. xenobiotica (6), E. bergeri (4), E. oligosperma (3), E. spinifera (1) and E. mesophila (1). The antifungal susceptibility tests showed that the triazoles compounds were in vitro the most active agents against Exophiala. ITS sequencing enabled the accurate identification of the 23 tested isolates. The triazoles, particularly itraconazole and posaconazole, exhibited MIC values lower than AMB, CAS and 5-FC. Although the guidelines do not indicate AMB for treatment against Exophiala spp., this study showed activity for all of the tested species, except E. mesophila.
[Mh] Termos MeSH primário: Antifúngicos/farmacologia
Exophiala/efeitos dos fármacos
Exophiala/genética
Variação Genética
Feoifomicose/microbiologia
[Mh] Termos MeSH secundário: Adolescente
Adulto
Idoso
Anfotericina B/farmacologia
Brasil/epidemiologia
Criança
Pré-Escolar
DNA Espaçador Ribossômico/genética
Equinocandinas/farmacologia
Exophiala/classificação
Exophiala/ultraestrutura
Feminino
Genótipo
Seres Humanos
Itraconazol/farmacologia
Lipopeptídeos/farmacologia
Masculino
Testes de Sensibilidade Microbiana
Microscopia Eletrônica de Varredura
Meia-Idade
Feoifomicose/sangue
Feoifomicose/epidemiologia
Fenótipo
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Antifungal Agents); 0 (DNA, Ribosomal Spacer); 0 (Echinocandins); 0 (Lipopeptides); 304NUG5GF4 (Itraconazole); 7XU7A7DROE (Amphotericin B); F0XDI6ZL63 (caspofungin)
[Em] Mês de entrada:1704
[Cu] Atualização por classe:170424
[Lr] Data última revisão:
170424
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170201
[St] Status:MEDLINE
[do] DOI:10.1111/myc.12597


  2 / 454 MEDLINE  
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[PMID]:28122875
[Au] Autor:Borman AM; Fraser M; Szekely A; Larcombe DE; Johnson EM
[Ad] Endereço:PHE UK National Mycology Reference Laboratory, Bristol, United Kingdom Andy.Borman@uhBristol.nhs.uk.
[Ti] Título:Rapid Identification of Clinically Relevant Members of the Genus Exophiala by Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry and Description of Two Novel Species, Exophiala campbellii and Exophiala lavatrina.
[So] Source:J Clin Microbiol;55(4):1162-1176, 2017 Apr.
[Is] ISSN:1098-660X
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:is a ubiquitous pleomorphic genus comprising at least 40 species, many of which have been associated with superficial, visceral, or systemic infections in humans, other mammals, or cold-blooded animals. In this study, we investigated the potential of matrix-assisted laser desorption-ionization time of flight mass spectrometry (MALDI-TOF MS) for the identification of species. A total of 89 isolates (including 50 human and 4 animal clinical isolates) stored in the National Collection of Pathogenic Fungi were identified by PCR amplification and sequencing of internal transcribed spacer region 1. Eighty-three of the isolates corresponded to 16 known species within The remaining six isolates are shown by phylogenetic analyses based on four loci to represent two novel species. Four isolates from domestic bathrooms which form a sister species with are described here as sp. nov. The remaining two isolates, both from subcutaneous infections, are distantly related to and are described here as sp. nov. The triazoles and terbinafine exhibited low MICs against all isolates MALDI-TOF MS successfully distinguished all 18 species and identified all isolates after appropriate reference spectra were created and added to commercial databases. Intraspecific mean log scores ranged from 1.786 to 2.584 and were consistently significantly higher than interspecific scores (1.193 to 1.624), with the exception of and , for which there was considerable log score overlap. In summary, MALDI-TOF MS allows the rapid and accurate identification of a wide range of clinically relevant species.
[Mh] Termos MeSH primário: Exophiala/classificação
Exophiala/isolamento & purificação
Espectrometria de Massas por Ionização e Dessorção a Laser Assistida por Matriz/métodos
[Mh] Termos MeSH secundário: Animais
Antifúngicos/farmacologia
Azóis/farmacologia
Análise por Conglomerados
DNA Fúngico/química
DNA Fúngico/genética
DNA Espaçador Ribossômico/química
DNA Espaçador Ribossômico/genética
Microbiologia Ambiental
Exophiala/química
Exophiala/genética
Seres Humanos
Testes de Sensibilidade Microbiana
Micoses/microbiologia
Naftalenos/farmacologia
Filogenia
Análise de Sequência de DNA
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Antifungal Agents); 0 (Azoles); 0 (DNA, Fungal); 0 (DNA, Ribosomal Spacer); 0 (Naphthalenes); G7RIW8S0XP (terbinafine)
[Em] Mês de entrada:1707
[Cu] Atualização por classe:171001
[Lr] Data última revisão:
171001
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170127
[St] Status:MEDLINE
[do] DOI:10.1128/JCM.02459-16


  3 / 454 MEDLINE  
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[PMID]:28111800
[Au] Autor:Moussa TAA; Al-Zahrani HS; Kadasa NMS; Moreno LF; Gerrits van den Ende AHG; de Hoog GS; Al-Hatmi AMS
[Ad] Endereço:Biological Sciences Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia.
[Ti] Título:Nomenclatural notes on Nadsoniella and the human opportunist black yeast genus Exophiala.
[So] Source:Mycoses;60(6):358-365, 2017 Jun.
[Is] ISSN:1439-0507
[Cp] País de publicação:Germany
[La] Idioma:eng
[Ab] Resumo:The opportunistic black yeast are particularly known through the genus Exophiala, characterised by annellidic budding cells. However, this phenotype is polyphyletic within the order Chaetothyriales. Seventeen generic names are available in the family Herpotrichiellaceae, one of which is Exophiala. Future taxonomy will be based on molecular phylogeny; each multi-species clade may qualify for one of these names. This paper focuses on the genus Nadsoniella, which is the oldest valid name in the Herpotrichiellaceae. Despite its exophiala-like phenotype, the type species of Nadsoniella clusters in the jeanselmei-clade, competing with the sympodial genus Rhinocladiella. In contrast, Exophiala competes with morphologically pronounced genera Thysanorea and Veronaea. Replacing the current phenotypic system for phylogenetic nomenclature requires highly stable phylogenies, which currently are not available.
[Mh] Termos MeSH primário: Exophiala/classificação
Filogenia
[Mh] Termos MeSH secundário: DNA Fúngico/genética
Exophiala/genética
Exophiala/isolamento & purificação
Seres Humanos
Fungos Mitospóricos/classificação
Fungos Mitospóricos/genética
Fungos Mitospóricos/isolamento & purificação
Técnicas de Amplificação de Ácido Nucleico
Alinhamento de Sequência
Análise de Sequência de DNA
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA, Fungal)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170810
[Lr] Data última revisão:
170810
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170124
[St] Status:MEDLINE
[do] DOI:10.1111/myc.12600


  4 / 454 MEDLINE  
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Vicente, Vânia Aparecida
Colombo, Arnaldo Lopes
[PMID]:27856522
[Au] Autor:Queiroz-Telles F; de Hoog S; Santos DW; Salgado CG; Vicente VA; Bonifaz A; Roilides E; Xi L; Azevedo CM; da Silva MB; Pana ZD; Colombo AL; Walsh TJ
[Ad] Endereço:Department of Public Health, Hospital de Clínicas, Federal University of Paraná, Curitiba, Paraná, Brazil queiroz.telles@uol.com.br.
[Ti] Título:Chromoblastomycosis.
[So] Source:Clin Microbiol Rev;30(1):233-276, 2017 Jan.
[Is] ISSN:1098-6618
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Chromoblastomycosis (CBM), also known as chromomycosis, is one of the most prevalent implantation fungal infections, being the most common of the gamut of mycoses caused by melanized or brown-pigmented fungi. CBM is mainly a tropical or subtropical disease that may affect individuals with certain risk factors around the world. The following characteristics are associated with this disease: (i) traumatic inoculation by implantation from an environmental source, leading to an initial cutaneous lesion at the inoculation site; (ii) chronic and progressive cutaneous and subcutaneous tissular involvement associated with fibrotic and granulomatous reactions associated with microabscesses and often with tissue proliferation; (iii) a nonprotective T helper type 2 (Th2) immune response with ineffective humoral involvement; and (iv) the presence of muriform (sclerotic) cells embedded in the affected tissue. CBM lesions are clinically polymorphic and are commonly misdiagnosed as various other infectious and noninfectious diseases. In its more severe clinical forms, CBM may cause an incapacity for labor due to fibrotic sequelae and also due to a series of clinical complications, and if not recognized at an early stage, this disease can be refractory to antifungal therapy.
[Mh] Termos MeSH primário: Cromoblastomicose/epidemiologia
Exophiala/classificação
Doenças Profissionais/microbiologia
[Mh] Termos MeSH secundário: Antifúngicos/uso terapêutico
Cromoblastomicose/tratamento farmacológico
Cromoblastomicose/imunologia
Gerenciamento Clínico
Farmacorresistência Fúngica Múltipla
Seres Humanos
Doenças Negligenciadas/epidemiologia
Doenças Negligenciadas/imunologia
Doenças Negligenciadas/microbiologia
Doenças Profissionais/epidemiologia
Filogenia
[Pt] Tipo de publicação:JOURNAL ARTICLE; REVIEW
[Nm] Nome de substância:
0 (Antifungal Agents)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170919
[Lr] Data última revisão:
170919
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161119
[St] Status:MEDLINE


  5 / 454 MEDLINE  
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[PMID]:27766680
[Au] Autor:Rojas OC; León-Cachón RB; Moreno-Treviño M; González GM
[Ad] Endereço:Departamento de Ciencias Básicas, División de Ciencias de la Salud, Universidad de Monterrey, San Pedro Garza GarcíaNuevo León, Mexico.
[Ti] Título:Molecular identification of unusual Mycetoma agents isolated from patients in Venezuela.
[So] Source:Mycoses;60(2):129-135, 2017 Feb.
[Is] ISSN:1439-0507
[Cp] País de publicação:Germany
[La] Idioma:eng
[Ab] Resumo:Mycetoma is a chronic granulomatous, subcutaneous disease endemic in tropical and subtropical countries. It is currently a health problem in rural areas of Africa, Asia and South America. Nine cases of mycetoma were analysed in a retrospective study. All isolates were identified by morphological features. The level of species identification was reached by molecular tools. Definitive identification of fungi was performed using sequence analysis of the ITS of the ribosomal DNA region and the ribosomal large-subunit D1/D2. Identification of actinomycetes was accomplished by the 16S rRNA gene sequence. Six unusual clinical isolates were identified: Aspergillus ustus, Cyphellophora oxyspora, Exophiala oligosperma, Madurella pseudomycetomatis, Nocardia farcinica and Nocardia wallacei. The prevalence of mycetoma in Venezuela remains unknown. This study represents the first report in the literature of mycetoma caused by unusual pathogens identified by molecular techniques.
[Mh] Termos MeSH primário: Actinomycetales/genética
DNA Espaçador Ribossômico
DNA Ribossômico/genética
Fungos/genética
Micetoma/microbiologia
RNA Ribossômico 16S/genética
[Mh] Termos MeSH secundário: Actinobacteria/genética
Actinomycetales/isolamento & purificação
Adolescente
Adulto
Exophiala/genética
Exophiala/isolamento & purificação
Feminino
Fungos/classificação
Fungos/isolamento & purificação
Seres Humanos
Madurella/genética
Madurella/isolamento & purificação
Masculino
Meia-Idade
Micetoma/tratamento farmacológico
Micetoma/epidemiologia
Micetoma/patologia
Técnicas de Tipagem Micológica
Nocardia/genética
Nocardia/isolamento & purificação
Estudos Retrospectivos
Tomografia Computadorizada por Raios X
Venezuela/epidemiologia
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA, Ribosomal); 0 (DNA, Ribosomal Spacer); 0 (RNA, Ribosomal, 16S)
[Em] Mês de entrada:1703
[Cu] Atualização por classe:170323
[Lr] Data última revisão:
170323
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161022
[St] Status:MEDLINE
[do] DOI:10.1111/myc.12579


  6 / 454 MEDLINE  
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[PMID]:26513718
[Au] Autor:Aggarwal S; Yamaguchi T; Dana R; Hamrah P
[Ad] Endereço:Ocular Surface Imaging Center (S.A., P.H.), Department of Ophthalmology, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston, MA; Cornea and Refractive Surgery Service (S.A., T.Y., R.D., P.H.), Department of Ophthalmology, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston, MA; and Boston Image Reading Center and Cornea Service (P.H.), New England Eye Center/Tufts Medical Center, Tufts University School of Medicine, Boston, MA.
[Ti] Título:Exophiala phaeomuriformis Fungal Keratitis: Case Report and In Vivo Confocal Microscopy Findings.
[So] Source:Eye Contact Lens;43(2):e4-e6, 2017 Mar.
[Is] ISSN:1542-233X
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:PURPOSE: Corneal infections, particularly fungal keratitis due to rare fungal species, pose a diagnostic and therapeutic challenge because of difficulty in identification and varying susceptibility profiles. In this study, we report the first case of fungal keratitis because of Exophiala phaeomuriformis. METHODS: We report the clinical findings and microbial identification techniques of a case of fungal keratitis due to E. phaeomuriformis. An 84-year-old woman presented with redness, pain, and itching in the left eye for 2 weeks. Slit-lamp biomicroscopy revealed one broken suture from previous penetrating keratoplasty (PKP), black infiltrates at the 4-o'clock position, without an overlying epithelial defect and hypopyon. Microbial identification was based cultures on Sabouraud dextrose agar and DNA sequencing and correlations to laser in vivo confocal microscopy (IVCM; Heidelberg Retinal Tomograph 3/Rostock Cornea Module, Heidelberg Engineering) and multiphoton microscopy (Ultima Microscope; Prairie Technologies) images. RESULTS: Slit-lamp biomicroscopy revealed one broken suture from previous PKP, black infiltrates at the 4-o'clock position, without an overlying epithelial defect and hypopyon. Based on a clinical suspicion of fungal keratitis, antifungals and fortified antibiotics were started. However, the patient did not respond to therapy and required urgent PKP. After surgery, the patient was maintained on topical and systemic voriconazole and also topical 2% cyclosporine for 5 months because of possibility of scleral involvement noticed during surgery. At the end of the treatment period, her vision improved from hand motion to 20/40, with no recurrence observed in a follow-up period of 1 year. Results of diagnostic tests were supported by fungal elements in stroma on IVCM. Culture from the infiltrate grew black yeast. DNA sequencing led to the diagnosis of E. phaeomuriformis keratitis. Antifungal susceptibility testing revealed sensitivity to voriconazole. CONCLUSION: This is, to our knowledge, the first reported case of E. phaeomuriformis fungal keratitis. Diagnostic testing included slit-lamp biomicroscopy, which revealed pigmented infiltrates, culture plates grew black yeast, microscopy showed branched fungal hyphae with budding conidia, and physiological features showed tolerance to high temperatures, nitrate assimilation, and ribosomal DNA sequencing. Collectively, these tests demonstrate unique features seen for this microorganism. High suspicion should be kept with pigmented infiltrates and with dark yeast on culture plates. Prompt and aggressive medical management with voriconazole or therapeutic PKP in nonresponsive cases is essential to prevent irreversible loss of vision.
[Mh] Termos MeSH primário: Exophiala/isolamento & purificação
Infecções Oculares Fúngicas/microbiologia
Ceratite/microbiologia
Feoifomicose/microbiologia
[Mh] Termos MeSH secundário: Idoso de 80 Anos ou mais
Feminino
Seres Humanos
Microscopia Confocal
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Em] Mês de entrada:1707
[Cu] Atualização por classe:170714
[Lr] Data última revisão:
170714
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:151030
[St] Status:MEDLINE
[do] DOI:10.1097/ICL.0000000000000193


  7 / 454 MEDLINE  
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[PMID]:27822460
[Au] Autor:Poyntner C; Blasi B; Arcalis E; Mirastschijski U; Sterflinger K; Tafer H
[Ad] Endereço:Department of Biotechnology, VIBT EQ Extremophile Center, University of Natural Resources and Life Sciences Vienna, Austria.
[Ti] Título:The Transcriptome of during Skin Model Infection.
[So] Source:Front Cell Infect Microbiol;6:136, 2016.
[Is] ISSN:2235-2988
[Cp] País de publicação:Switzerland
[La] Idioma:eng
[Ab] Resumo:The black yeast is a widespread polyextremophile and human pathogen, that is found in extreme natural habitats and man-made environments such as dishwashers. It can cause various diseases ranging from phaeohyphomycosis and systemic infections, with fatality rates reaching 40%. While the number of cases in immunocompromised patients are increasing, knowledge of the infections, virulence factors and host response is still scarce. In this study, for the first time, an artificial infection of an skin model with was monitored microscopically and transcriptomically. Results show that is able to actively grow and penetrate the skin. The analysis of the genomic and RNA-sequencing data delivers a rich and complex transcriptome where circular RNAs, fusion transcripts, long non-coding RNAs and antisense transcripts are found. Changes in transcription strongly affect pathways related to nutrients acquisition, energy metabolism, cell wall, morphological switch, and known virulence factors. The L-Tyrosine melanin pathway is specifically upregulated during infection. Moreover the production of secondary metabolites, especially alkaloids, is increased. Our study is the first that gives an insight into the complexity of the transcriptome of during artificial skin infections and reveals new virulence factors.
[Mh] Termos MeSH primário: Exophiala/genética
Perfilação da Expressão Gênica
Feoifomicose/microbiologia
Pele/microbiologia
[Mh] Termos MeSH secundário: Seres Humanos
Microscopia
Modelos Teóricos
Pele/patologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170920
[Lr] Data última revisão:
170920
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161109
[St] Status:MEDLINE


  8 / 454 MEDLINE  
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[PMID]:27456474
[Au] Autor:Bohelay G; Robert S; Bouges-Michel C; Gerin M; Levy A; Fain O; Caux F
[Ad] Endereço:Department of Dermatology, Avicenne Hospital, Assistance Publique des Hôpitaux de Paris (AP-HP), Bobigny, France. gerome.bohelay@aphp.fr.
[Ti] Título:Subcutaneous phaeohyphomycosis caused by Exophiala spinifera in a European patient with lymphoma: a rare occurrence case report and literature review.
[So] Source:Mycoses;59(11):691-696, 2016 Nov.
[Is] ISSN:1439-0507
[Cp] País de publicação:Germany
[La] Idioma:eng
[Ab] Resumo:Exophiala spinifera is a dematiaceous fungus responsible for rare skin infections presenting as phaeohyphomycosis or chromoblastomycosis which has been primarily reported in tropical and subtropical areas (Asia, South and North America). We report the first case of E. spinifera phaeohyphomycosis in a European patient. The phaeohyphomycosis was limited to the skin, involving the finger of an immunocompromised patient presenting with a large B-cell lymphoma treated by R-mini-CHOP regimen. Remission was initially achieved by surgical excision; however, a local subcutaneous relapse required treatment with itraconazole. We performed a literature review of the 32 previously published cases of E. spinifera phaeohyphomycosis highlighting its clinical phenotype: disseminated infection with extracutaneous involvement and poor prognosis were reported in young patients, of whom some were recently associated with CARD9 mutations, whereas cases in older immunocompromised patients were limited to the skin and showed better prognosis. There is currently no standard treatment for E. spinifera phaeohyphomycosis; however, itraconazole, alone or in combination, allowed partial or complete response in 16 out of 20 cases.
[Mh] Termos MeSH primário: Exophiala/isolamento & purificação
Dedos
Hospedeiro Imunocomprometido
Linfoma de Células B/complicações
Feoifomicose/diagnóstico
Feoifomicose/microbiologia
[Mh] Termos MeSH secundário: Adulto
Idoso
Idoso de 80 Anos ou mais
Antifúngicos/uso terapêutico
Criança
Pré-Escolar
Exophiala/efeitos dos fármacos
Exophiala/ultraestrutura
Dedos/cirurgia
Seres Humanos
Itraconazol/uso terapêutico
Linfoma de Células B/tratamento farmacológico
Linfoma de Células B/microbiologia
Masculino
Meia-Idade
Recidiva Local de Neoplasia/microbiologia
Feoifomicose/tratamento farmacológico
Pele/microbiologia
Pele/patologia
Adulto Jovem
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE; REVIEW
[Nm] Nome de substância:
0 (Antifungal Agents); 304NUG5GF4 (Itraconazole)
[Em] Mês de entrada:1703
[Cu] Atualização por classe:170330
[Lr] Data última revisão:
170330
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160727
[St] Status:MEDLINE
[do] DOI:10.1111/myc.12515


  9 / 454 MEDLINE  
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Vicente, Vânia Aparecida
Texto completo
[PMID]:27028446
[Au] Autor:do Nascimento MM; de Hoog GS; Gomes RR; Furuie JL; Gelinski JM; Najafzadeh MJ; Boeger WA; Vicente VA
[Ad] Endereço:Microbiology, Parasitology and Pathology Graduate Programme, Department of Basic Pathology, Federal University of Paraná, Curitiba, 81540-970, Brazil.
[Ti] Título:Shared Physiological Traits of Exophiala Species in Cold-Blooded Vertebrates, as Opportunistic Black Yeasts.
[So] Source:Mycopathologia;181(5-6):353-62, 2016 Jun.
[Is] ISSN:1573-0832
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:Several species of the genus Exophiala are found as opportunistic pathogens on humans, while others cause infections in cold-blooded waterborne vertebrates. Opportunism of these fungi thus is likely to be multifactorial. Ecological traits [thermotolerance and pH tolerance, laccase activity, assimilation of mineral oil, and decolorization of Remazol Brilliant Blue R (RBBR)] were studied in a set of 40 strains of mesophilic Exophiala species focused on the salmonis-clade mainly containing waterborne species. Thermophilic species and waterborne species outside the salmonis-clade were included for comparison. Strains were able to tolerate a wide range of pHs, although optimal growth was observed between pH 4.0 and 5.5. All strains tested were laccase positive. Strains were able to grow in the presence of the compounds (mineral oil and RBBR) with some differences in assimilation patterns between strains tested and also were capable of degrading the main chromophore of RBBR. The study revealed that distantly related mesophilic species behave similarly, and no particular trend in evolutionary adaptation was observed.
[Mh] Termos MeSH primário: Exophiala/isolamento & purificação
Exophiala/fisiologia
Micoses/microbiologia
Micoses/veterinária
Infecções Oportunistas/microbiologia
Infecções Oportunistas/veterinária
[Mh] Termos MeSH secundário: Animais
Antraquinonas/metabolismo
Exophiala/crescimento & desenvolvimento
Exophiala/metabolismo
Seres Humanos
Concentração de Íons de Hidrogênio
Lacase/análise
Óleo Mineral/metabolismo
Vertebrados
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Anthraquinones); 8020-83-5 (Mineral Oil); EC 1.10.3.2 (Laccase); L51IMM9UP9 (Remazol Brilliant Blue R)
[Em] Mês de entrada:1704
[Cu] Atualização por classe:171030
[Lr] Data última revisão:
171030
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160331
[St] Status:MEDLINE
[do] DOI:10.1007/s11046-016-0001-z


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[PMID]:26982786
[Au] Autor:de Oliveira WR; Borsato MF; Dabronzo ML; Festa Neto C; Rocha LA; Nunes RS
[Ad] Endereço:Universidade de São Paulo, São Paulo, SP, Brazil.
[Ti] Título:Phaeohyphomycosis in renal transplantation: report of two cases.
[So] Source:An Bras Dermatol;91(1):89-92, 2016 Jan-Feb.
[Is] ISSN:1806-4841
[Cp] País de publicação:Brazil
[La] Idioma:eng
[Ab] Resumo:Phaeohyphomycosis is an infection caused by a filamentous fungus that contains pigment melanin in its cell wall. We report two cases caused by Exophiala sp. emphasizing the clinical variability of the disease, as well as diagnostic and therapeutic difficulties of this opportunistic infection in immunosuppressed patients (kidney transplant).
[Mh] Termos MeSH primário: Exophiala/isolamento & purificação
Transplante de Rim/efeitos adversos
Feoifomicose/patologia
[Mh] Termos MeSH secundário: Antifúngicos/uso terapêutico
Seres Humanos
Hospedeiro Imunocomprometido
Imunossupressores/efeitos adversos
Masculino
Meia-Idade
Infecções Oportunistas/imunologia
Infecções Oportunistas/patologia
Infecções Oportunistas/terapia
Feoifomicose/imunologia
Feoifomicose/terapia
Pele/patologia
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Antifungal Agents); 0 (Immunosuppressive Agents)
[Em] Mês de entrada:1610
[Cu] Atualização por classe:161230
[Lr] Data última revisão:
161230
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160317
[St] Status:MEDLINE



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