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VERIFICATION of THE PRESENCE of CAPSULE GENE SEQUENCES IN NASOPHARYNGEAL ISOLATES of NONTYPEABLE HAEMOPHILUS INFLUENZAE FROM HEALTHY CHILDREN AT A BRAZILIAN DAY CARE CENTER

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Sociedade Brasileira de Microbiologia

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Abstract

Abstract (portuguese)

Cinqüenta e oito cepas de Haemophilus influenzae foram isoladas da nasofaringe de crianças saudáveis que freqüentam uma creche, e através da técnica de Southern blot foi pesquisada nas cepas acapsuladas a presença de seqüências do gene capsular. Sete cepas (12%) caracterizadas sorologicamente como acapsuladas mostraram homologia com seqüências específicas da cápsula. Uma cepa foi caracterizada com uma linhagem H. influenzae tipo b cápsula deficiente.

Abstract (english)

Fifty-eight nasopharyngeal isolates of Haemophilus influenzae were collected from healthy children at a day care center, and nontypeable isolates were examined by Southern blot for the presence of capsule gene sequences. Seven isolates (12%) demonstrated homology with capsule-specific sequences. One isolate was characterized as an H. influenzae type b capsule-deficient strain.

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Haemophilus influenzae, gene cap, creche, Haemophilus influenzae, cap gene, day-care center

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English

Citation

Brazilian Journal of Microbiology. Sociedade Brasileira de Microbiologia, v. 32, n. 3, p. 233-235, 2001.

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