Real-time PCR assays to address genetic diversity among strains of Mycoplasma hyopneumoniae.

Abstract:

:Mycoplasma hyopneumoniae is an important cause of pneumonia in pigs around the world, but confirming its presence in (or absence from) pigs can be difficult. Culture for diagnosis is impractical, and seroconversion is often delayed after natural infection, limiting the use of serology. Numerous PCR assays for the detection of M. hyopneumoniae have been developed, targeting several different genes. Recently, genetic diversity among strains of M. hyopneumoniae was demonstrated. The effect of this diversity on the accuracy and sensitivity of the M. hyopneumoniae PCR assays could result in false-negative results in current PCR tests. In this study, a panel of isolates of M. hyopneumoniae, M. flocculare, M. hyorhinis, and M. hyosynoviae were tested with a number of M. hyopneumoniae-specific PCR assays. Some M. hyopneumoniae PCR assays tested did not detect all isolates of M. hyopneumoniae. To increase the efficiency of PCR testing, two new real-time PCR assays that are specific and capable of detecting all of the M. hyopneumoniae isolates used in this study were developed.

journal_name

J Clin Microbiol

authors

Strait EL,Madsen ML,Minion FC,Christopher-Hennings J,Dammen M,Jones KR,Thacker EL

doi

10.1128/JCM.02366-07

subject

Has Abstract

pub_date

2008-08-01 00:00:00

pages

2491-8

issue

8

eissn

0095-1137

issn

1098-660X

pii

JCM.02366-07

journal_volume

46

pub_type

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