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Frequency of Nonfermentative Gram-Negative Bacilli Isolated from Clinical Materials of Pacients at Universidade Federal do Ceará Hospital Complex - Brazil
Author(s) -
Cristiane Cunha Frota,
José Luciano Bezerra Moreira
Publication year - 1998
Publication title -
revista de microbiologia
Language(s) - English
Resource type - Journals
eISSN - 1678-9881
pISSN - 0001-3714
DOI - 10.1590/s0001-37141998000300006
Subject(s) - bacilli , acinetobacter , pseudomonas aeruginosa , acinetobacter baumannii , gram , microbiology and biotechnology , biology , medicine , bacteria , antibiotics , genetics
Among one thousand eight hundred and thirty-four Gram-negative bacilli, isolated at Universidade Federal do Ceará hospital complex - Brazil, from January 1995 to February 1996, 456 (24.8%) were Nonfermentative Gram-Negative Bacilli (NFGNB). This study reports their identification to the species level and their frequency as well. Thirteen genera and thirty species were identified and Pseudomonas aeruginosa was the most frequent species (69.95%), followed by Acinetobacter baumannii (5.48%) and by Acinetobacter lwoffii (3.95%). Among the identified P.aeruginosa strains, 94.1% produced pigment but 7.9% of them produced pigment only after being cultivated several times. The frequency of the most species was similar to that reported in the literature. Entre 1834 bacilos Gram-Negativos isolados no complexo hospitalar da Universidade Federal do Ceará - Brasil no período de janeiro de 1995 à fevereiro de 1996, 456 (24,8%) foram Bacilos Gram-Negativos Não Fermentadores (BGNNF). Este estudo relata sua identificação a nível de espécie e sua freqüência. Treze gêneros e trinta espécies foram identificadas, sendo que Pseudomonas aeruginosa foi a espécie mais freqüente (69,95%) seguida por Acinetobacter baumannii (5,48%) e Acinetobacter lwoffii (3,95%). Entre as cepas identificadas como P. aeruginosa, 94,1 % foram produtoras de pigmentos, mas 7,9% delas produziram pigmento somente após diversos subcultivos. A freqüência da maioria das espécies identificadas foi similar à relatada na literatura

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