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Page 1
Ehrlichia ruminantium (Ehrlichiaceae) infection rates and genotyping in Amblyomma species from southern Africa.
Smit A, Mulandane FC, Wójcik SH, Malabwa C, Sili G, Mandara S, Pineau KP, Lecollinet S, Exbrayat A, Rodrigues V, Vineer HR, Dlamkile Z, Stoltsz WH, Meyer DF, Morar-Leather D, Makepeace BL, Neves L. Smit A, et al. Ticks Tick Borne Dis. 2025 Mar 17;16(3):102462. doi: 10.1016/j.ttbdis.2025.102462. Online ahead of print. Ticks Tick Borne Dis. 2025. PMID: 40107067 Free article.
Amblyomma, the third largest genus in the Ixodidae, is important in southern Africa due to its vector competence for Ehrlichia ruminantium and other pathogens. Ehrlichia ruminantium, the causative agent of heartwater, a potentially lethal disease in ru …
Amblyomma, the third largest genus in the Ixodidae, is important in southern Africa due to its vector competence for Ehrlichia rum …
Sympatry of Amblyomma eburneum and Amblyomma variegatum on African buffaloes and prevalence of pathogens in ticks.
Smit A, Mulandane FC, Wojcik SH, Horak IG, Makepeace BL, Morar-Leather D, Neves L. Smit A, et al. Ticks Tick Borne Dis. 2023 Nov;14(6):102247. doi: 10.1016/j.ttbdis.2023.102247. Epub 2023 Aug 29. Ticks Tick Borne Dis. 2023. PMID: 37651847 Free article.
In this study, we highlight the overlapping distribution of Amblyomma eburneum and Amblyomma variegatum found on African buffaloes (Syncerus caffer) at Coutada 11, Central Mozambique. ...Ehrlichia ruminantium, R. africae, Theileria mutans and Theileria …
In this study, we highlight the overlapping distribution of Amblyomma eburneum and Amblyomma variegatum found on African buffa …
Molecular detection of Ehrlichia ruminantium in engorged ablyomma variegatum and cattle in Ogun State, Nigeria.
Anifowose OI, Takeet MI, Talabi AO, Otesile EB. Anifowose OI, et al. J Parasit Dis. 2020 Jun;44(2):403-410. doi: 10.1007/s12639-020-01218-4. Epub 2020 Apr 8. J Parasit Dis. 2020. PMID: 32508415 Free PMC article.
Early diagnosis of Ehrlichia ruminantium in cattle is a recipe for effective control of heartwater in ruminants. Hence, we assessed the presence of E. ruminantium in the blood of cattle and the engorged Amblyomma variegatum by nested PCR. The electroph …
Early diagnosis of Ehrlichia ruminantium in cattle is a recipe for effective control of heartwater in ruminants. Hence, we ass …
Ehrlichia ruminantium in Amblyomma variegatum and domestic ruminants in the Caribbean.
Kelly PJ, Lucas H, Yowell C, Beati L, Dame J, Urdaz-Rodriguez J, Mahan S. Kelly PJ, et al. J Med Entomol. 2011 Mar;48(2):485-8. doi: 10.1603/me10172. J Med Entomol. 2011. PMID: 21485394
The highly sensitive nested pCS20 polymerase chain reaction assay for Ehrlichia ruminantium was negative on 506 Amblyomma variegatum from Caribbean islands where clinical heartwater has not been reported, mainly the United States Virgin Islands (18), D …
The highly sensitive nested pCS20 polymerase chain reaction assay for Ehrlichia ruminantium was negative on 506 Amblyomma …
Prevalence of Ehrlichia ruminantium in adult Amblyomma variegatum collected from cattle in Cameroon.
Esemu SN, Besong WO, Ndip RN, Ndip LM. Esemu SN, et al. Exp Appl Acarol. 2013 Mar;59(3):377-87. doi: 10.1007/s10493-012-9599-9. Epub 2012 Jul 26. Exp Appl Acarol. 2013. PMID: 22833099
Ehrlichia ruminantium, the etiologic agent of the economically important disease heartwater, is an obligate intracellular bacterium transmitted by ticks of the genus Amblyomma, particularly A. hebraeum and A. variegatum. ...
Ehrlichia ruminantium, the etiologic agent of the economically important disease heartwater, is an obligate intracellular bact …
Multi-locus sequence typing of Ehrlichia ruminantium strains from geographically diverse origins and collected in Amblyomma variegatum from Uganda.
Nakao R, Magona JW, Zhou L, Jongejan F, Sugimoto C. Nakao R, et al. Parasit Vectors. 2011 Jul 15;4:137. doi: 10.1186/1756-3305-4-137. Parasit Vectors. 2011. PMID: 21762509 Free PMC article.
BACKGROUND: The rickettsial bacterium Ehrlichia ruminantium is the causative agent of heartwater in ruminants. A better understanding of the population genetics of its different strains is, however, needed for the development of novel diagnostic tools, therapeutics …
BACKGROUND: The rickettsial bacterium Ehrlichia ruminantium is the causative agent of heartwater in ruminants. A better unders …
Identification and genetic characterization of Piroplasmida and Anaplasmataceae agents in feeding Amblyomma variegatum ticks from Benin.
Adjou Moumouni PF, Guo H, Gao Y, Liu M, Ringo AE, Galon EM, Vudriko P, Umemiya-Shirafuji R, Inoue N, Suzuki H, Xuan X. Adjou Moumouni PF, et al. Vet Parasitol Reg Stud Reports. 2018 Dec;14:137-143. doi: 10.1016/j.vprsr.2018.10.006. Epub 2018 Oct 29. Vet Parasitol Reg Stud Reports. 2018. PMID: 31014719
In many African countries including Benin, the reluctance of some livestock owners to blood collection from their cattle makes epidemiological surveys cumbersome and prevents regular monitoring of tick-borne diseases. In the present study, Amblyomma variegatum ticks …
In many African countries including Benin, the reluctance of some livestock owners to blood collection from their cattle makes epidemiologic …
Genetic diversity of Ehrlichia ruminantium in Amblyomma variegatum ticks and small ruminants in The Gambia determined by restriction fragment profile analysis.
Faburay B, Jongejan F, Taoufik A, Ceesay A, Geysen D. Faburay B, et al. Vet Microbiol. 2008 Jan 1;126(1-3):189-99. doi: 10.1016/j.vetmic.2007.06.010. Epub 2007 Jun 19. Vet Microbiol. 2008. PMID: 17646061
Understanding genetic diversity of Ehrlichia ruminantium in host and vector populations is an important prerequisite to controlling heartwater by vaccination in traditional livestock systems in sub-Saharan Africa. We carried out a study in two phases: (i) evaluating …
Understanding genetic diversity of Ehrlichia ruminantium in host and vector populations is an important prerequisite to contro …
Amblyomma variegatum in cattle in Marie Galante, French Antilles: prevalence, control measures, and infection by Ehrlichia ruminantium.
Molia S, Frebling M, Vachiéry N, Pinarello V, Petitclerc M, Rousteau A, Martinez D, Lefrançois T. Molia S, et al. Vet Parasitol. 2008 May 31;153(3-4):338-46. doi: 10.1016/j.vetpar.2008.01.046. Epub 2008 Feb 15. Vet Parasitol. 2008. PMID: 18406061
We report Marie Galante as one of the Caribbean islands most heavily infested by the tropical bont tick (TBT) Amblyomma variegatum which is associated with two major diseases of ruminants: heartwater and dermatophilosis. In 2005, a survey was undertaken to assess th …
We report Marie Galante as one of the Caribbean islands most heavily infested by the tropical bont tick (TBT) Amblyomma variegatum …
Identification and characterization of sialidase-like activity in the developmental stages of Amblyomma variegatum.
Natala AJ, Balogun EO, Balogun JA, Inuwa HM, Nok AJ, Shiba T, Harada S, Kita K, Agbede RI, Esievo KA. Natala AJ, et al. J Med Entomol. 2013 Jan;50(1):85-93. doi: 10.1603/me12152. J Med Entomol. 2013. PMID: 23427656
Amblyomma variegatum F. are obligate hematophagous ectoparasites of livestock that serve as the vectors of Ehrlichia ruminantium (formerly known as Cowdria ruminantium), the causative agent of heartwater disease. ...
Amblyomma variegatum F. are obligate hematophagous ectoparasites of livestock that serve as the vectors of Ehrlichia …
58 results