当前位置： SCI文献检索 > JOURNAL OF MICROBIOLOGICAL METHODS期刊下所有文献 > Comparison of culture and biochemical tests with PCR for detection of Brachyspira hyodysenteriae and Brachyspira pilosicoli.

Comparison of culture and biochemical tests with PCR for detection of Brachyspira hyodysenteriae and Brachyspira pilosicoli.

Abstract：

:Traditional culture and biochemical tests (CBT) were compared with PCR for sensitivity and detection of Brachyspira hyodysenteriae and Brachyspira pilosicoli in seeded faeces and clinical samples from diarrhoeic pigs. A duplex PCR system was developed based on primers detecting the tlyA-gene of B. hyodysenteriae and the 16S rRNA-gene of B. pilosicoli. Sensitivities for the PCR system were determined on seeded faeces, using DNA that had been recovered from primary cultures or extracted directly from faeces. Compared to CBT, PCR applied to DNA extracted directly from faeces lowered the sensitivity by a factor of 1000 to 10,000. B. hyodysenteriae and B. pilosicoli detection was compared for CBT and PCR using 200 clinical samples. CBT detected more B. hyodysenteriae isolates in the clinical samples than PCR, but fewer B. pilosicoli positive samples. An atypical strongly haemolytic isolate was detected only by CBT.

journal_name

J Microbiol Methods

journal_title

Journal of microbiological methods

authors

Råsbäck T,Fellström C,Gunnarsson A,Aspán A

doi

10.1016/j.mimet.2005.12.008

subject

Has Abstract

pub_date

2006-08-01 00:00:00

pages

347-53

issue

2

eissn

0167-7012

issn

1872-8359

pii

S0167-7012(05)00387-8

journal_volume

66

pub_type

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