First report on the occurrence of Rickettsia slovaca and Rickettsia raoultii in Dermacentor silvarum in China.

ABSTRACT:

Background

Rickettsioses are among both the longest known and most recently recognized infectious diseases. Although new spotted fever group rickettsiae have been isolated in many parts of the world including China, Little is known about the epidemiology of Rickettsia pathogens in ticks from Xinjiang Autonomous Region of China.

Methods

In an attempt to assess the potential risk of rickettsial infection after exposure to ticks in Xinjiang Uygur Autonomous Region of China, a total of 200 Dermacentor silvarum ticks collected in Xinyuan district were screened by polymerase chain reaction based on the outer membrane protein A gene.

Results

22 of the 200 specimens (11%) were found to be positive by PCR. Phylogenetic analysis of OmpA sequences identified two rickettsial spec

SUBMITTER: Tian ZC 

PROVIDER: S-EPMC3292836 | biostudies-literature | 2012 Jan

REPOSITORIES: biostudies-literature