Characterization of two DNA probes specific for Serpulina hyodysenteriae.

Abstract:

:Two DNA probes, one 1.1- and one 0.75-kb probe, specific for Serpulina hyodysenteriae were isolated from a genomic library generated from virulent S. hyodysenteriae 5380. These probes are highly specific and react with all S. hyodysenteriae strains tested. Under stringent conditions, the DNA probes did not react with the nonpathogenic species Serpulina innocens or with other species of enteric bacteria, including Escherichia coli. Both probes are able to detect S. hyodysenteriae in colony blot hybridizations, and when applied to fecal specimens, they can detect 10(4) S. hyodysenteriae cells in 0.1 g of seeded fecal matter. Both probes can detect S. hyodysenteriae in fecal specimens from swine with clinical signs of swine dysentery after experimental challenge and from swine from a herd with an acute outbreak of swine dysentery. These probes have application as a diagnostic tool in veterinary microbiology.

journal_name

J Clin Microbiol

authors

Sotiropoulos C,Smith SC,Coloe PJ

doi

10.1128/JCM.31.7.1746-1752.1993

subject

Has Abstract

pub_date

1993-07-01 00:00:00

pages

1746-52

issue

7

eissn

0095-1137

issn

1098-660X

journal_volume

31

pub_type

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