2014
DOI: 10.1603/me13248
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Feeding byAmblyomma maculatum(Acari: Ixodidae) EnhancesRickettsia parkeri(Rickettsiales: Rickettsiaceae) Infection in the Skin

Abstract: Rickettsia parkeri Luckman (Rickettsiales: Rickettsiaceae), a member of the spotted fever group of Rickettsia, is the tick-borne causative agent of a newly recognized, eschar-associated rickettsiosis. Because of its relatively recent designation as a pathogen, few studies have examined the pathogenesis of transmission of R. parkeri to the vertebrate host. To further elucidate the role of tick feeding in rickettsial infection of vertebrates, nymphal Amblyomma maculatum Koch (Acari: Ixodidae) were fed on C3H/HeJ… Show more

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Cited by 27 publications
(42 citation statements)
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“…This result is in contrast to a previous study which documented that tick feeding plus R. parkeri inoculation resulted in increased rickettsial load in the late stages of infection as compared to R. parkeri inoculation alone (Grasperge et al 2014). There are several potential reasons for this difference of results.…”
Section: Discussioncontrasting
confidence: 99%
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“…This result is in contrast to a previous study which documented that tick feeding plus R. parkeri inoculation resulted in increased rickettsial load in the late stages of infection as compared to R. parkeri inoculation alone (Grasperge et al 2014). There are several potential reasons for this difference of results.…”
Section: Discussioncontrasting
confidence: 99%
“…A colony of Rickettsia -free A. maculatum were acquired from BEI resources and maintained on rodents as previously described (Troughton and Levin 2007, Grasperge et al 2014, Banajee et al 2015). Animal care and use for tick rearing purposes was approved by the LSU Institutional Animal Care and Use Committee (IACUC; Protocol Number: 13-034).…”
Section: Methodsmentioning
confidence: 99%
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“…R. andeanae” elicits infection or disease in humans or animals. It has been suggested that other putative rickettsial symbionts, including Rickettsia amblyommii and Rickettsia montanensis cause abortive, transient, or subclinical infections in humans, dogs, and other animals (Apperson et al, 2008, Zanetti et al, 2008, McQuiston et al, 2012, Grasperge et al, 2014 and Barrett et al, 2014). …”
Section: Discussionmentioning
confidence: 99%