Comparative evaluation of PCR in Ziehl-Neelsen stained smears and PCR in tissues for diagnosis of Mycobacterium avium subsp. paratuberculosis

Data
2010
Autores
Coelho, Ana Cláudia
Pinto, Maria de Lurdes
Pires, Maria dos Anjos
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Editora
Rajiv Mathur
Resumo
Thirty six tissues from sheep, previously diagnosed with paratuberculosis, were tested by PCR in positive Ziehl-Neelsen staining smears of tissues, and PCR in tissues targeting IS900 specific for Mycobacterium avium subsp. paratuberculosis. DNA amplification was achieved in 33.3% Ziehl-Neelsen smears, and in 61.1% tissue samples. Combination of both techniques found 66.7% samples as positive. Combination of techniques would, therefore, increase the sensitivity of diagnosis.
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Palavras-chave
Mycobacterium avium subsp. paratuberculosis , PCR , Tissues , Ziehl-Neelsen
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