Evidence of a spotted fever-like rickettsia and a potential new vector from Northeastern Australia

Amanda M. Lane, Matthew D. Shaw, Elizabeth A. McGraw, Scott L. O'Neill

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

A spotted fever-like rickettsia was identified in a Hemaphysalis tick by polymerase chain reaction (PCR) amplification and sequencing of the 16S rDNA, ompA, and ompB genes. A comparison of these nucleotide sequences with those of other spotted fever group (SFG) rickettsiae revealed that the Hemaphysalis tick rickettsia was distinct from other previously reported strains. Phylogenetic analysis based on both ompA and ompB also indicates that the strain's closest relatives are the agents of Thai tick typhus (Rickettsia honei strain TT-118) and Flinders Island spotted fever (R. honei). This study represents the first report of an R. honei-like agent from a Hemaphysalis tick in Australia and of a spotted fever group rickettsia from Cape York Peninsula, Queensland.

Original languageEnglish (US)
Pages (from-to)918-921
Number of pages4
JournalJournal of medical entomology
Volume42
Issue number5
DOIs
StatePublished - Sep 2005

All Science Journal Classification (ASJC) codes

  • Parasitology
  • veterinary(all)
  • Insect Science
  • Infectious Diseases

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