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Comparative vertical transmission of Rickettsia by Dermacentor variabilis and Amblyomma maculatum.
Harris EK, Verhoeve VI, Banajee KH, Macaluso JA, Azad AF, Macaluso KR. Harris EK, et al. Ticks Tick Borne Dis. 2017 Jun;8(4):598-604. doi: 10.1016/j.ttbdis.2017.04.003. Epub 2017 Apr 6. Ticks Tick Borne Dis. 2017. PMID: 28433729 Free PMC article.
To examine the vertical transmission potential between select tick and rickettsial species, two sympatric species of ticks, Dermacentor variabilis and Amblyomma maculatum, were exposed to five different rickettsial species, including Rickettsia rickettsii …
To examine the vertical transmission potential between select tick and rickettsial species, two sympatric species of ticks, Dermacentor …
New Jersey-Wide Survey of Spotted Fever Group Rickettsia (Proteobacteria: Rickettsiaceae) in Dermacentor variabilis and Amblyomma americanum (Acari: Ixodida: Ixodidae).
Occi J, Egizi AM, Goncalves A, Fonseca DM. Occi J, et al. Am J Trop Med Hyg. 2020 Sep;103(3):1009-1016. doi: 10.4269/ajtmh.20-0145. Am J Trop Med Hyg. 2020. PMID: 32588804 Free PMC article.
We found zero D. variabilis infected with Rickettsia rickettsii, the agent of Rocky Mountain spotted fever and, on average, 1.3% infected with presumed nonpathogenic Rickettsia montanensis. We also found zero A. americanum infected with R. rickettsi …
We found zero D. variabilis infected with Rickettsia rickettsii, the agent of Rocky Mountain spotted fever and, on aver …
Infrequency of Rickettsia rickettsii in Dermacentor variabilis removed from humans, with comments on the role of other human-biting ticks associated with spotted fever group Rickettsiae in the United States.
Stromdahl EY, Jiang J, Vince M, Richards AL. Stromdahl EY, et al. Vector Borne Zoonotic Dis. 2011 Jul;11(7):969-77. doi: 10.1089/vbz.2010.0099. Epub 2010 Dec 13. Vector Borne Zoonotic Dis. 2011. PMID: 21142953
Rickettsia montanensis (171/5286 = 3.2%) and Rickettsia amblyommii (7/5286 = 0.1%) were detected in a small number of samples, but no ticks were found positive for Rickettsia rickettsii, the agent of Rocky Mountain spotted fever (RMSF) until May 2009, …
Rickettsia montanensis (171/5286 = 3.2%) and Rickettsia amblyommii (7/5286 = 0.1%) were detected in a small number of samples, …
Effect of Rickettsia rickettsii (Rickettsiales: Rickettsiaceae) Infection on the Biological Parameters and Survival of Its Tick Vector-Dermacentor variabilis (Acari: Ixodidae).
Schumacher L, Snellgrove A, Levin ML. Schumacher L, et al. J Med Entomol. 2016 Jan;53(1):172-6. doi: 10.1093/jme/tjv166. Epub 2015 Oct 22. J Med Entomol. 2016. PMID: 26494822 Free PMC article.
The major vectors of R. rickettsii in the United States are Dermacentor andersoni Stiles and Dermacentor variabilis (Say). ...To better elucidate the relationship of the pathogen with D. variabilis, we assessed the effects of R. rickettsii …
The major vectors of R. rickettsii in the United States are Dermacentor andersoni Stiles and Dermacentor variabilis …
Molecular detection of Rickettsia bellii, Rickettsia montanensis, and Rickettsia rickettsii in a Dermacentor variabilis tick from nature.
Carmichael JR, Fuerst PA. Carmichael JR, et al. Vector Borne Zoonotic Dis. 2010 Mar;10(2):111-5. doi: 10.1089/vbz.2008.0083. Vector Borne Zoonotic Dis. 2010. PMID: 19485770
Therefore, it is of vital importance to know and understand the geographical distribution and prevalence of disease and rickettsial-infected arthropods. We analyzed Dermacentor variabilis ticks from nature found positive for Rickettsia sp. to determine the sp …
Therefore, it is of vital importance to know and understand the geographical distribution and prevalence of disease and rickettsial-infected …
Minimal Duration of Tick Attachment Sufficient for Transmission of Infectious Rickettsia rickettsii (Rickettsiales: Rickettsiaceae) by Its Primary Vector Dermacentor variabilis (Acari: Ixodidae): Duration of Rickettsial Reactivation in the Vector Revisited.
Levin ML, Ford SL, Hartzer K, Krapiunaya L, Stanley H, Snellgrove AN. Levin ML, et al. J Med Entomol. 2020 Feb 27;57(2):585-594. doi: 10.1093/jme/tjz191. J Med Entomol. 2020. PMID: 31687749 Free PMC article.
To clarify the length of reactivation period, we exposed guinea pigs to bites of Rickettsia rickettsii-infected Dermacentor variabilis (Say) and allowed ticks to remain attached for predetermined time periods from 0 to 48 h. ...Guinea pigs inoculated w …
To clarify the length of reactivation period, we exposed guinea pigs to bites of Rickettsia rickettsii-infected Dermacentor …
Identification of Rickettsia spp. and Babesia conradae in Dermacentor spp. Collected from Dogs and Cats Across the United States.
Duncan KT, Grant A, Johnson B, Sundstrom KD, Saleh MN, Little SE. Duncan KT, et al. Vector Borne Zoonotic Dis. 2021 Dec;21(12):911-920. doi: 10.1089/vbz.2021.0047. Vector Borne Zoonotic Dis. 2021. PMID: 34958266 Free PMC article.
In the United States, Dermacentor variabilis and Dermacentor andersoni are considered key vectors for Rickettsia rickettsii, the causative agent of Rocky Mountain spotted fever. Through regional surveillance, a wide diversity of Rickettsia …
In the United States, Dermacentor variabilis and Dermacentor andersoni are considered key vectors for Rickettsia …
Multistate Survey of American Dog Ticks (Dermacentor variabilis) for Rickettsia Species.
Hecht JA, Allerdice MEJ, Dykstra EA, Mastel L, Eisen RJ, Johnson TL, Gaff HD, Varela-Stokes AS, Goddard J, Pagac BB, Paddock CD, Karpathy SE. Hecht JA, et al. Vector Borne Zoonotic Dis. 2019 Sep;19(9):652-657. doi: 10.1089/vbz.2018.2415. Epub 2019 Apr 3. Vector Borne Zoonotic Dis. 2019. PMID: 30942664 Free PMC article.
Historically, D. variabilis has been considered a primary vector of Rickettsia rickettsii, the causative agent of Rocky Mountain spotted fever. ...Tick extracts were evaluated using three real-time PCR assays; an R. rickettsii-specific assay, a Rick …
Historically, D. variabilis has been considered a primary vector of Rickettsia rickettsii, the causative agent of Rocky …
Prevalence of Rickettsia Species (Rickettsiales: Rickettsiaceae) in Dermacentor variabilis Ticks (Acari: Ixodidae) in North Carolina.
Kakumanu ML, Ponnusamy L, Sutton H, Meshnick SR, Nicholson WL, Apperson CS. Kakumanu ML, et al. J Med Entomol. 2018 Aug 29;55(5):1284-1291. doi: 10.1093/jme/tjy074. J Med Entomol. 2018. PMID: 29771344
The American dog tick, Dermacentor variabilis (Say), is a vector of spotted fever group (SFG) rickettsiae, including Rickettsia rickettsii the causative organism of Rocky Mountain spotted fever (RMSF). ...Some ticks were infected with more than one …
The American dog tick, Dermacentor variabilis (Say), is a vector of spotted fever group (SFG) rickettsiae, including Ricket …
Rocky Mountain spotted fever.
Comer KM. Comer KM. Vet Clin North Am Small Anim Pract. 1991 Jan;21(1):27-44. doi: 10.1016/s0195-5616(91)50002-4. Vet Clin North Am Small Anim Pract. 1991. PMID: 2014623 Review.
The disease is maintained in nature in Ixodid tick vectors and their hosts. The most important ticks in the United States are Dermacentor variabilis and Dermacentor andersoni. Small mammals are the natural reservoirs in the wild. Dogs become infected when a t …
The disease is maintained in nature in Ixodid tick vectors and their hosts. The most important ticks in the United States are Dermacentor …
44 results