Base de dados : LILACS
Pesquisa : B03.440.400.425.115.030 [Categoria DeCS]
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Id: biblio-905330
Autor: Rodrigues, Caio Godoy; Rays, Jairo; Kanegae, Marcia Yoshie.
Título: Native-valve endocarditis caused by Achromobacter xylosoxidans: a case report and review of literature
Fonte: Autops. Case Rep;7(3):50-55, July.-Sept. 2017. ilus, tab.
Idioma: en.
Resumo: Achromobacter xylosoxidans is a Gram-negative aerobic bacterium first described by Yabuuchi and Ohyama in 1971. A. xylosoxidans is frequently found in aquatic environments. Abdominal, urinary tract, ocular, pneumonia, meningitis, and osteomyelitis are the most common infections. Infective endocarditis is rare. As far as we know, until now, only 19 cases have been described, including this current report. We report the case of community-acquired native valve endocarditis caused by A. xylosoxidans in an elderly patient without a concomitant diagnosis of a malignancy or any known immunodeficiency. The patient presented with a 2-month history of fever, weight loss, and progressive dyspnea. On physical examination, mitral and aortic murmurs were present, along with Janeway's lesions, and a positive blood culture for A. xylosoxidans. The transesophageal echocardiogram showed vegetation in the aortic valve, which was consistent with the diagnosis of infective endocarditis
Descritores: Achromobacter
Valva Aórtica/patologia
Endocardite Bacteriana/diagnóstico
Infecções por Bactérias Gram-Negativas/diagnóstico
Doenças das Valvas Cardíacas/diagnóstico
Perda de Peso
Limites: Humanos
Idoso de 80 Anos ou mais
Tipo de Publ: Relatos de Casos
Conferência Clínica
Responsável: BR26.7 - Serviço de Biblioteca e Documentação Científica

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Texto completo SciELO Brasil
Texto completo
Id: biblio-829254
Autor: Rodrigues, Elenice RA; Rocha, Géssica A; Ferreira, Alex G; Leão, Robson S; Albano, Rodolpho M; Marques, Elizabeth A.
Título: Draft genome sequences of four Achromobacter ruhlandii strains isolated from cystic fibrosis patients
Fonte: Mem. Inst. Oswaldo Cruz;111(12):777-780, Dec. 2016. tab.
Idioma: en.
Projeto: FAPERJ; . CNPq.
Resumo: Achromobacter species are being increasingly isolated from the respiratory tract of cystic fibrosis patients. Recent reports indicate that Achromobacter ruhlandii is a potential human pathogen in cystic fibrosis-related infections. Here we report the draft genome of four A. ruhlandii strains isolated from cystic fibrosis patients in Brazil. This report describes A. ruhlandii as a potential opportunistic pathogen in cystic fibrosis and provides a framework to for additional enquires into potential virulence factors and resistance mechanisms within this species.
Descritores: Achromobacter/genética
Fibrose Cística/microbiologia
DNA Bacteriano/genética
Genoma Bacteriano/genética
Infecções por Bactérias Gram-Negativas/microbiologia
-Achromobacter/isolamento & purificação
Sequência de Bases
Tipagem de Sequências Multilocus
Limites: Humanos
Responsável: BR1.1 - BIREME

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Texto completo SciELO Brasil
Texto completo
Id: lil-769646
Autor: Salam, Lateef B.; Ilori, Matthew O.; Amund, Olukayode O..
Título: Carbazole degradation in the soil microcosm by tropical bacterial strains
Fonte: Braz. j. microbiol;46(4):1037-1044, Oct.-Dec. 2015. tab, graf.
Idioma: en.
Resumo: In a previous study, three bacterial strains isolated from tropical hydrocarbon-contaminated soils and phylogenetically identified as Achromobacter sp. strain SL1, Pseudomonas sp. strain SL4 and Microbacterium esteraromaticum strain SL6 displayed angular dioxygenation and mineralization of carbazole in batch cultures. In this study, the ability of these isolates to survive and enhance carbazole degradation in soil were tested in field-moist microcosms. Strain SL4 had the highest survival rate (1.8 x 107 cfu/g) after 30 days of incubation in sterilized soil, while there was a decrease in population density in native (unsterilized) soil when compared with the initial population. Gas chromatographic analysis after 30 days of incubation showed that in sterilized soil amended with carbazole (100 mg/kg), 66.96, 82.15 and 68.54% were degraded by strains SL1, SL4 and SL6, respectively, with rates of degradation of 0.093, 0.114 and 0.095 mg kg−1 h−1. The combination of the three isolates as inoculum in sterilized soil degraded 87.13% carbazole at a rate of 0.121 mg kg−1 h−1. In native soil amended with carbazole (100 mg/kg), 91.64, 87.29 and 89.13% were degraded by strains SL1, SL4 and SL6 after 30 days of incubation, with rates of degradation of 0.127, 0.121 and 0.124 mg kg−1 h−1, respectively. This study successfully established the survivability (> 106 cfu/g detected after 30 days) and carbazole-degrading ability of these bacterial strains in soil, and highlights the potential of these isolates as seed for the bioremediation of carbazole-impacted environments.
Descritores: Achromobacter/química
Achromobacter/isolamento & purificação
Actinobacteria/isolamento & purificação
Biodegradação Ambiental/química
Biodegradação Ambiental/genética
Biodegradação Ambiental/isolamento & purificação
Biodegradação Ambiental/metabolismo
Carbazóis/isolamento & purificação
Filogenia/isolamento & purificação
Pseudomonas/isolamento & purificação
Microbiologia do Solo/química
Microbiologia do Solo/genética
Microbiologia do Solo/isolamento & purificação
Microbiologia do Solo/metabolismo
Poluentes do Solo/química
Poluentes do Solo/genética
Poluentes do Solo/isolamento & purificação
Poluentes do Solo/metabolismo
Responsável: BR1.1 - BIREME

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