Use of Southern Blot/Hybridization technique associated to polymerase chain reaction to improve the sensitivity in the diagnosis of hemoplasma infections in domestic cats

The aim of this study was to determine whether Southern Blot/Hybridization (SB) associated to Polymerase Chain Reaction (PCR) improves the sensitivity in the detection of hemoplasma DNA in domestic cats (Felis catus). Whole blood was collected in tubes containing the anticoagulant ethylenediamine te...

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Published in:Revista brasileira de parasitologia veterinaria 2009-12, Vol.18 Suppl 1, p.1-6
Main Authors: Macieira, Daniel B, de Cássia A A de Menezes, Rita, Damico, Cristiane B, Almosny, Nádia R P, Messick, Joanne B
Format: Article
Language:Portuguese
Subjects:
Animals
Animals, Domestic
Blotting, Southern
Cat Diseases - diagnosis
Cats
Mycoplasma Infections - diagnosis
Mycoplasma Infections - veterinary
Polymerase Chain Reaction
Sensitivity and Specificity
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container_title Revista brasileira de parasitologia veterinaria
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creator Macieira, Daniel B
de Cássia A A de Menezes, Rita
Damico, Cristiane B
Almosny, Nádia R P
Messick, Joanne B
description The aim of this study was to determine whether Southern Blot/Hybridization (SB) associated to Polymerase Chain Reaction (PCR) improves the sensitivity in the detection of hemoplasma DNA in domestic cats (Felis catus). Whole blood was collected in tubes containing the anticoagulant ethylenediamine tetra-acetic acid and DNA extracted from 149 animals. PCR was performed using species specific primers to amplify the 16S ribosomal RNA subunit of Mycoplasma haemofelis and 'Candidatus M. haemominutum' from these samples. Hybridization was performed using a 16S rDNA probes chemically labeled and the results were visualized using a chemiluminescent substrate addition followed by autoradiography. Eighteen (12.1%) of the 149 tested samples had a positive PCR result for hemoplasma species DNA. SB/hybridization technique showed that 24/149 (16.1%) samples were positive for hemoplasmas, confirming the 18 PCR-positive results and reveling six additional positive animals (p
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source SciELO Brazil
subjects Animals
Animals, Domestic
Blotting, Southern
Cat Diseases - diagnosis
Cats
Mycoplasma Infections - diagnosis
Mycoplasma Infections - veterinary
Polymerase Chain Reaction
Sensitivity and Specificity
title Use of Southern Blot/Hybridization technique associated to polymerase chain reaction to improve the sensitivity in the diagnosis of hemoplasma infections in domestic cats
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