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Nutritional requirement among Pseudomonas aeruginosa isolates recovered from respiratory clinical specimens at a tertiary hospital from South of Brazil
Perez, Leandro Reus Rodrigues; Freitas, Ana Lúcia Peixoto de; Barth, Afonso Luís.
  • Perez, Leandro Reus Rodrigues; Universidade Federal do Rio Grande do Sul. Faculdade de Farmácia. Programa de Pós-Graduação em Ciências Farmacêuticas. BR
  • Freitas, Ana Lúcia Peixoto de; Universidade Federal do Rio Grande do Sul. Faculdade de Farmácia. Departamento de Análises Clínica. BR
  • Barth, Afonso Luís; Universidade Federal do Rio Grande do Sul. Faculdade de Farmácia. Departamento de Análises Clínica. BR
Braz. j. microbiol ; 42(3): 1061-1064, July-Sept. 2011. tab
Article in English | LILACS | ID: lil-607536
ABSTRACT
We screened 349 isolates of P. aeruginosa from cystic fibrosis (CF+) and non-cystic fibrosis (CF-) patients for the auxotrophy. Fourteen (4.0 percent) were auxotrophic and among them only one was recovered from CF-patient showing that this characteristic is strongly associated with cystic fibrosis. In total, a requirement for 5 different compounds (or combination) was verified and, of these, methionine was the most common single amino acid required. Only one auxotrophic isolate was no able to produce biofilm in vitro.
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Full text: Available Index: LILACS (Americas) Main subject: Pseudomonas aeruginosa / Pseudomonas Infections / Drug Resistance, Microbial / Cystic Fibrosis / Airway Obstruction Limits: Humans Country/Region as subject: South America / Brazil Language: English Journal: Braz. j. microbiol Journal subject: Microbiology Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Rio Grande do Sul/BR

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Full text: Available Index: LILACS (Americas) Main subject: Pseudomonas aeruginosa / Pseudomonas Infections / Drug Resistance, Microbial / Cystic Fibrosis / Airway Obstruction Limits: Humans Country/Region as subject: South America / Brazil Language: English Journal: Braz. j. microbiol Journal subject: Microbiology Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Rio Grande do Sul/BR