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Genotyping and drug resistance patterns of Mycobacterium tuberculosis strains observed in a tuberculosis high-burden municipality in Northeast, Brazil BJID
Luiz,Roberta dos Santos Silva; Suffys,Phillip; Barroso,Elizabeth Clara; Kerr,Ligia Regina Franco Sansigolo; Duarte,Cynthia Romariz; Freitas,Max Victor Carioca; Mota,Rosa Maria Salani; Frota,Cristiane Cunha.
OBJECTIVES: This study has used a combination of clinical information, spoligotyping, and georeferencing system to elucidate the genetic diversity of the Mycobacterium tuberculosis isolates circulating in a TB-prevalent municipality of Northeast Brazil. METHODS: A total of 115 M. tuberculosis strains were isolated from pulmonary tuberculosis patients from January 2007 to March 2008 in Fortaleza. Drug susceptibility and spoligotyping assays were performed and place of residence of the patients were georeferenced. RESULTS: Of the M. tuberculosis strains studied, 51 (44.3%) isolates were resistant to at least one drug (R-TB) and 64 (55.7%) were sensitive to all the drugs tested (S-TB). A high frequency of resistance was found in previously treated cases (84%)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Tuberculosis; Drug-resistant tuberculosis; Georeferencing; Spoligotyping.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702013000300006
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Characterization of Mycobacterium tuberculosis complex isolated from iranian and afghani patients by spoligotyping method BJM
Ramazanzadeh,Rashid; Farnia,Parisa; Amirmozafari,Nour.
Designing newer drugs, vaccines, and diagnostic techniques is dependent on better understanding of M. tuberculosis virulence mechanism. In this study the prevalence of pcaA gene was determined in M. tuberculosis strains typed by spoligotyping. The associated risk factors among patients with different nationalities residing in Iran were also determined. The isolated M. tuberculosis strains have been characterized by performing susceptibility tests against four first-line antituberculosis drugs and were then subjected to spoligotyping characterization. PCR was used for detection of pcaA gene and its nucleotide sequence was also determined. Spoligotyping of M. tuberculosis strains resulted in 140 different patterns. One hundred twenty two (87.1%) of these...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Tuberculosis; Resistance; Drugs; Spoligotyping; PcaA.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822009000200019
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Mycobacterium bovis infection in goats from the Northeast region of Brazil BJM
Higino,Severino Silvano dos Santos; Pinheiro,Sônia Regina; Souza,Gisele Oliveira de; Dib,Cristina Corsi; Rosário,Tatiana Reis do; Melville,Priscilla Anne; Alves,Clebert José; Azevedo,Sérgio Santos de.
A total of 8,058 male and female mixed-breed goats and 1-4 years of age were slaughtered over a period of 7 months at the public slaughterhouse of Patos city, Paraíba state, in the Northeast region of Brazil; 822 animals were inspected for gross lesions of tuberculosis, and 12 (1.46%) had lesions suggestive of tuberculosis in the mammary gland, lungs, liver and mediastinal, mesenteric, submandibular, parotid and prescapular lymph nodes. Presence of granulomatous lesions was confirmed in the submandibular lymph node of one (8.3%) goat at the histopathological examination and at the mycobacterium culture the same sample was confirmed positive. Isolate was confirmed as belonging to the M. tuberculosis complex by PCR restriction enzyme analysis (PRA)....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Caprine tuberculosis; Mycobacterium culture; PCR restriction enzyme analysis; Spoligotyping.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000400028
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Viability of stressed Mycobacterium tuberculosis and association with multidrug resistance BJM
Martins,Maria Conceição; Giampaglia,Carmen Maria Saraiva; Chimara,Erica; Oliveira,Rosângela Siqueira; Vedovello,Danielle; Sakamoto,Sidnei Miyoshi; Ferrazoli,Lucilaine.
This study investigated biological characteristics of recovered stressed M. tuberculosis isolates that failed to grow in differential culture media for phenotypic identification and in culture media containing anti-tuberculosis drugs for drug-susceptibility testing, despite of having grown in primary culture. It represents an improvement in the diagnosis of MDR tuberculosis and tuberculosis control.
Tipo: Info:eu-repo/semantics/other Palavras-chave: Mycobacterium; Multidrug resistance; Culture growth; Spoligotyping.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822013000200019
Registros recuperados: 4
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