Evaluation of PCR and multiplex PCR in relation to nested PCR for diagnosing Theileria equi
Conventional PCR (PCRTeq) for diagnosing Theileria equi and multiplex PCR (M/PCRTeq-Bc) for diagnosing T. equi and Babesia caballi were comparatively evaluated with nested PCR (N/PCR-Teq) for diagnosing equine piroplasmosis. In DNA sensitivity determinations, in multiple dilutions of equine blood th...
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Colégio Brasileiro de Patologia Animal (CBPA)
2011-07-01
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doaj-2107536993f148d592d8836121cd50382020-11-24T21:21:56ZengColégio Brasileiro de Patologia Animal (CBPA)Pesquisa Veterinária Brasileira1678-51502011-07-0131757557810.1590/S0100-736X2011000700005S0100-736X2011000700005Evaluation of PCR and multiplex PCR in relation to nested PCR for diagnosing Theileria equiDanielle C. Leal0Cláudio R. Madruga1Paulo F. de Matos2Bárbara M. P. da S. Souza3Carlos R. Franke4Universidade Federal da BahiaUniversidade Federal da BahiaUniversidade Federal da BahiaUniversidade Federal da BahiaUniversidade Federal da BahiaConventional PCR (PCRTeq) for diagnosing Theileria equi and multiplex PCR (M/PCRTeq-Bc) for diagnosing T. equi and Babesia caballi were comparatively evaluated with nested PCR (N/PCR-Teq) for diagnosing equine piroplasmosis. In DNA sensitivity determinations, in multiple dilutions of equine blood that had tested positive for T. equi, PCR-Teq and N/PCR-Teq detected hemoparasite DNA in the larger dilutions (1:128), but did not differ significantly from the M/PCRTeq-Bc (1:64). In analyses on equine serum tested by ELISA, there was high agreement between this serological test and PCR-Teq (k = 0.780) and moderate agreement with N/PCR-Teq (k = 0.562) and M/PCRTeq-Bc (k = 0.488). PCR-Teq found a higher frequency of T. equi both in extensively and intensively reared horses, but this was not significant in relation to N/PCR-Teq (P>0.05), and both PCRs indicated that there was an endemic situation regarding T. equi in the population of horses of this sample. PCR-Teq was only significantly different from M/PCR-Teq-Bc (P<0.05). PCR-Teq presented high sensitivity and specificity, comparable to N/PCR-Teq, but with the advantage of higher speed in obtaining results and lower costs and risks of laboratory contamination. This accredits PCR-Teq for epidemiological studies and for determinations on affected horses.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-736X2011000700005&lng=en&tlng=enTheileria equiPCRmultiplex PCRequinos |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Danielle C. Leal Cláudio R. Madruga Paulo F. de Matos Bárbara M. P. da S. Souza Carlos R. Franke |
spellingShingle |
Danielle C. Leal Cláudio R. Madruga Paulo F. de Matos Bárbara M. P. da S. Souza Carlos R. Franke Evaluation of PCR and multiplex PCR in relation to nested PCR for diagnosing Theileria equi Pesquisa Veterinária Brasileira Theileria equi PCR multiplex PCR equinos |
author_facet |
Danielle C. Leal Cláudio R. Madruga Paulo F. de Matos Bárbara M. P. da S. Souza Carlos R. Franke |
author_sort |
Danielle C. Leal |
title |
Evaluation of PCR and multiplex PCR in relation to nested PCR for diagnosing Theileria equi |
title_short |
Evaluation of PCR and multiplex PCR in relation to nested PCR for diagnosing Theileria equi |
title_full |
Evaluation of PCR and multiplex PCR in relation to nested PCR for diagnosing Theileria equi |
title_fullStr |
Evaluation of PCR and multiplex PCR in relation to nested PCR for diagnosing Theileria equi |
title_full_unstemmed |
Evaluation of PCR and multiplex PCR in relation to nested PCR for diagnosing Theileria equi |
title_sort |
evaluation of pcr and multiplex pcr in relation to nested pcr for diagnosing theileria equi |
publisher |
Colégio Brasileiro de Patologia Animal (CBPA) |
series |
Pesquisa Veterinária Brasileira |
issn |
1678-5150 |
publishDate |
2011-07-01 |
description |
Conventional PCR (PCRTeq) for diagnosing Theileria equi and multiplex PCR (M/PCRTeq-Bc) for diagnosing T. equi and Babesia caballi were comparatively evaluated with nested PCR (N/PCR-Teq) for diagnosing equine piroplasmosis. In DNA sensitivity determinations, in multiple dilutions of equine blood that had tested positive for T. equi, PCR-Teq and N/PCR-Teq detected hemoparasite DNA in the larger dilutions (1:128), but did not differ significantly from the M/PCRTeq-Bc (1:64). In analyses on equine serum tested by ELISA, there was high agreement between this serological test and PCR-Teq (k = 0.780) and moderate agreement with N/PCR-Teq (k = 0.562) and M/PCRTeq-Bc (k = 0.488). PCR-Teq found a higher frequency of T. equi both in extensively and intensively reared horses, but this was not significant in relation to N/PCR-Teq (P>0.05), and both PCRs indicated that there was an endemic situation regarding T. equi in the population of horses of this sample. PCR-Teq was only significantly different from M/PCR-Teq-Bc (P<0.05). PCR-Teq presented high sensitivity and specificity, comparable to N/PCR-Teq, but with the advantage of higher speed in obtaining results and lower costs and risks of laboratory contamination. This accredits PCR-Teq for epidemiological studies and for determinations on affected horses. |
topic |
Theileria equi PCR multiplex PCR equinos |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-736X2011000700005&lng=en&tlng=en |
work_keys_str_mv |
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