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Biofilm formation by saprophytic and pathogenic leptospires.
Ristow, Paula; Bourhy, Pascale; Kerneis, Sophie; Schmitt, Christine; Prevost, Marie-Christine; Lilenbaum, Walter; Picardeau, Mathieu.
Afiliação
  • Ristow P; Instituto de Microbiologia Professor Paulo de Góes, Universidade Federal do Rio de Janeiro, Brazil.
  • Bourhy P; Unité de Biologie des Spirochètes, Institut Pasteur, 75724 Paris Cedex 15, France.
  • Kerneis S; Unité de Biologie des Spirochètes, Institut Pasteur, 75724 Paris Cedex 15, France.
  • Schmitt C; Plate-Forme de Microscopie Électronique, Institut Pasteur, Paris, France.
  • Prevost MC; Plate-Forme de Microscopie Électronique, Institut Pasteur, Paris, France.
  • Lilenbaum W; Plate-Forme de Microscopie Électronique, Institut Pasteur, Paris, France.
  • Picardeau M; Instituto Biomédico, Universidade Federal Fluminense, Brazil.
Microbiology (Reading) ; 154(Pt 5): 1309-1317, 2008 May.
Article em En | MEDLINE | ID: mdl-18451039
Leptospires exist as saprophytic organisms that are aquatic or as pathogens that are able to survive in water. Leptospirosis is transmitted to humans through environmental surface waters contaminated by the urine of mammals, usually rodents, which are chronically infected by pathogenic strains. The ecology of Leptospira spp. prompted us to evaluate if these spirochaetes were able to form biofilms. This study investigated the characteristics of biofilm development by both saprophytic and pathogenic Leptospira species using microscopic examinations and a polystyrene plate model. Biofilms were formed preferentially on glass and polystyrene surfaces. Electron microscopic images showed cells embedded in an extracellular matrix. The formation of such a biofilm is consistent with the life of saprophytic strains in water and may help pathogenic strains to survive in environmental habitats and to colonize the host.
Assuntos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Biofilmes / Leptospira Tipo de estudo: Prognostic_studies Limite: Animals / Humans Idioma: En Revista: Microbiology (Reading) Assunto da revista: MICROBIOLOGIA Ano de publicação: 2008 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Biofilmes / Leptospira Tipo de estudo: Prognostic_studies Limite: Animals / Humans Idioma: En Revista: Microbiology (Reading) Assunto da revista: MICROBIOLOGIA Ano de publicação: 2008 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido