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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 …
Detection of Rickettsia montanensis in Dermacentor variabilis in Northern Wisconsin.
Vincent GP, Hulstrand AM. Vincent GP, et al. Vector Borne Zoonotic Dis. 2022 Dec;22(12):582-583. doi: 10.1089/vbz.2022.0055. Epub 2022 Nov 2. Vector Borne Zoonotic Dis. 2022. PMID: 36322883
Background: Spotted fever rickettsiosis is caused by a group of closely related bacteria that includes Rickettsia rickettsii, the etiological agent of Rocky Mountain spotted fever. ...Materials and Methods: In this study, we collected ticks in Ashland County, locate …
Background: Spotted fever rickettsiosis is caused by a group of closely related bacteria that includes Rickettsia rickettsii, …
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 …
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 …
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 …
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 …
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 …
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, …
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 …
Prevalence of Rickettsia species in Dermacentor variabilis ticks from Ontario, Canada.
Wood H, Dillon L, Patel SN, Ralevski F. Wood H, et al. Ticks Tick Borne Dis. 2016 Jul;7(5):1044-1046. doi: 10.1016/j.ttbdis.2016.06.001. Epub 2016 Jun 4. Ticks Tick Borne Dis. 2016. PMID: 27318438
Relatively little is known about the prevalence of rickettsial species in Dermacentor ticks in eastern Canada. In this study, Dermacentor ticks from the province of Ontario, Canada, were tested for the presence of spotted fever group rickettsial (SFGR) species, Coxi …
Relatively little is known about the prevalence of rickettsial species in Dermacentor ticks in eastern Canada. In this study, Derm …
48 results