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Exp Appl Acarol. 2006;38(2-3):181-8.

Rickettsial agents from parasitic dermanyssoidea (Acari: Mesostigmata).

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  • 1Centers for Disease Control and Prevention, 1600 Clifton Rd. NE, MS G-13, Atlanta, GA 30333, USA.


Mites are often overlooked as vectors of pathogens, but have been shown to harbor and transmit rickettsial agents such as Rickettsia akari and Orientia tsutsugamushi. We screened DNA extracts from 27 mites representing 25 species of dermanyssoids for rickettsial agents such as Anaplasma, Bartonella, Rickettsia, and Wolbachia by PCR amplification and sequencing. DNA from Anaplasma spp., a novel Bartonella sp., Spiroplasma sp., Wolbachia sp., and an unclassified Rickettsiales were detected in mites. These could represent mite-borne bacterial agents, bacterial DNA from blood meals, or novel endosymbionts of mites.

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