Detection and identification of Treponema hyodysenteriae by using oligodeoxynucleotide probes complementary to 16S rRNA
- PMID: 1704013
- PMCID: PMC268261
- DOI: 10.1128/jcm.28.12.2717-2721.1990
Detection and identification of Treponema hyodysenteriae by using oligodeoxynucleotide probes complementary to 16S rRNA
Abstract
Oligodeoxynucleotide probes (17 and 28 bases long) complementary to a unique region of Treponema hyodysenteriae 16S rRNA were developed. These probes bound specifically to partially purified rRNA and whole-cell rRNA of T. hyodysenteriae. No binding to partially purified rRNA or whole-cell rRNA of Treponema innocens, Treponema succinifaciens, Treponema bryantii, or Escherichia coli occurred under stringent conditions. The 28-base probe was 5 to 10 times more sensitive than the 17-base probe when hybridized with T. hyodysenteriae rRNA. The 28-base probe detected T. hyodysenteriae in the feces of experimentally inoculated pigs exhibiting clinical signs of swine dysentery.
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