The difference in the IcrV sequences between Y. pestis and Y. pseudotuberculosis and its application for characterization of Y. pseudotuberculosis strains

Vladimir Motin, Maria S. Pokrovskaya, Maksim V. Telepnev, Vladimir V. Kutyrev, Nadeshda A. Vidyaeva, Andrew A. Filippov, George B. Smirnov

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

We have sequenced the IcrGVH operon from Y. pseudotuberculosis plasmid pYV995 and compared its sequence with that of Y. pestis. The sequences were highly homological, however, six base pair substitutions were found in one short 14 bp region termed variable sequence. Two oligonucleotides corresponding to variable sequence of Y. pestis (pes-V) or Y. pseudotuberculosis (ptb-V) were synthesized and were used as molecular probes in hybridization experiments with sets of Y. pestis and Y. pseudotuberculosis strains. All 17 Y. pestis strains tested were positive only with the pes-V probe, 18 of 21 Y. pseudotuberculosis strains were positive with the ptb-V probe, while three Y. pseudotuberculosis strains reacted with the pes-V probe but not the ptb-V probe. The 200 bp fragment including variable sequence was sequenced in seven Y. pseudotuberculosis strains. The Y. pseudotuberculosis strains which were positive with the pes-V probe possessed the 200 bp fragment sequence almost identical with that from Y. pestis. No correlation between the Y. pestis-like IcrV sequence and virulence was found for these strains. Moreover, the Y. pseudotuberculosis strains with Y. pestis-like sequences in contrast to Y. pestis possessed unaltered yadA gene. However, we have found the yadA frameshift mutation characteristic for Y. pestis in one Y. pseudotuberculosis strain 312.

Original languageEnglish (US)
Pages (from-to)165-175
Number of pages11
JournalMicrobial Pathogenesis
Volume12
Issue number3
DOIs
StatePublished - 1992
Externally publishedYes

Fingerprint

Molecular Probes
Frameshift Mutation
Operon
Oligonucleotides
Base Pairing
Virulence
Plasmids
Genes

Keywords

  • nucleotide sequence
  • polymerase chain reaction
  • probe
  • V-antigen
  • Y. pseudotuberculosis

ASJC Scopus subject areas

  • Microbiology
  • Infectious Diseases

Cite this

The difference in the IcrV sequences between Y. pestis and Y. pseudotuberculosis and its application for characterization of Y. pseudotuberculosis strains. / Motin, Vladimir; Pokrovskaya, Maria S.; Telepnev, Maksim V.; Kutyrev, Vladimir V.; Vidyaeva, Nadeshda A.; Filippov, Andrew A.; Smirnov, George B.

In: Microbial Pathogenesis, Vol. 12, No. 3, 1992, p. 165-175.

Research output: Contribution to journalArticle

Motin, Vladimir ; Pokrovskaya, Maria S. ; Telepnev, Maksim V. ; Kutyrev, Vladimir V. ; Vidyaeva, Nadeshda A. ; Filippov, Andrew A. ; Smirnov, George B. / The difference in the IcrV sequences between Y. pestis and Y. pseudotuberculosis and its application for characterization of Y. pseudotuberculosis strains. In: Microbial Pathogenesis. 1992 ; Vol. 12, No. 3. pp. 165-175.
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