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Year Number of Results
1975 1
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1979 1
1980 2
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1984 1
1985 2
1986 1
1988 1
1990 2
1991 1
1994 1
1995 1
2000 1
2006 1
2008 2
2009 2
2010 2
2011 1
2012 1
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2016 3
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2020 5
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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
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
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
Dermacentor variabilis, a common human-biting tick found throughout the eastern half and along the west coast of the United States, is a vector of multiple bacterial pathogens. Historically, D. variabilis has been considered a primary vector of Rickettsia
Dermacentor variabilis, a common human-biting tick found throughout the eastern half and along the west coast of the United St
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
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.
Rocky Mountain spotted fever, caused by Rickettsia rickettsii, is a potentially fatal tick-borne disease spread from North America to Argentina. The major vectors of R. rickettsii in the United States are Dermacentor andersoni Stiles and Dermacentor
Rocky Mountain spotted fever, caused by Rickettsia rickettsii, is a potentially fatal tick-borne disease spread from North Ame …
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.
To identify the Rickettsia circulating in NJ ticks, we used a combination of conventional and real time PCR approaches to screen 560 Dermacentor variabilis Say and 245 Amblyomma americanum L. obtained from a 1-day state-wide surveillance in May 2018 and an ad …
To identify the Rickettsia circulating in NJ ticks, we used a combination of conventional and real time PCR approaches to screen 560 …
Closing the gaps between genotype and phenotype in Rickettsia rickettsii.
Eremeeva ME, Dasch GA. Eremeeva ME, et al. Ann N Y Acad Sci. 2009 May;1166:12-26. doi: 10.1111/j.1749-6632.2009.04526.x. Ann N Y Acad Sci. 2009. PMID: 19538260
Rocky Mountain spotted fever (RMSF) caused by Rickettsia rickettsii is a severe rickettsiosis that occurs in nearly every state of the continental USA. ...Twenty-five total genotypes of R. rickettsii in 4 primary groups could be distinguished: isolates from M …
Rocky Mountain spotted fever (RMSF) caused by Rickettsia rickettsii is a severe rickettsiosis that occurs in nearly every stat …
Prevalence of Rickettsia species in Canadian populations of Dermacentor andersoni and D. variabilis.
Dergousoff SJ, Gajadhar AJ, Chilton NB. Dergousoff SJ, et al. Appl Environ Microbiol. 2009 Mar;75(6):1786-9. doi: 10.1128/AEM.02554-08. Epub 2009 Jan 16. Appl Environ Microbiol. 2009. PMID: 19151178 Free PMC article.
We determined the prevalence of rickettsiae in Dermacentor adults at 15 localities in Canada. Rickettsia rickettsii was not detected in any tick, whereas Rickettsia peacockii was present in 76% of Dermacentor andersoni adults and Rickettsia
We determined the prevalence of rickettsiae in Dermacentor adults at 15 localities in Canada. Rickettsia rickettsii was …
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
We analyzed Dermacentor variabilis ticks from nature found positive for Rickettsia sp. to determine the specific species present. ...Through sequence analysis of this gene, three Rickettsia species, Rickettsia bellii, Rickettsia montanens …
We analyzed Dermacentor variabilis ticks from nature found positive for Rickettsia sp. to determine the specific specie …
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