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Molecular Detection and Genetic Characterization of Ehrlichia ruminantium Harbored by Amblyomma hebraeum Ticks of Domestic Ruminants in North West Province, South Africa.
Mnisi SS, Mphuthi MBN, Ramatla T, Mofokeng LS, Thekisoe O, Syakalima M. Mnisi SS, et al. Animals (Basel). 2022 Sep 21;12(19):2511. doi: 10.3390/ani12192511. Animals (Basel). 2022. PMID: 36230251 Free PMC article.
Ehrlichia ruminantium (E. ruminantium) is the causative agent of heartwater disease and it is mainly transmitted to livestock by Amblyomma hebraeum (A. hebraeum) tick in South Africa. ...
Ehrlichia ruminantium (E. ruminantium) is the causative agent of heartwater disease and it is mainly transmitted to livestock
De novo assembly and annotation of the Amblyomma hebraeum tick midgut transcriptome response to Ehrlichia ruminantium infection.
Omondi D, Zweygarth E, Murungi E, Jongejan F, Nijhof AM. Omondi D, et al. PLoS Negl Trop Dis. 2023 Aug 14;17(8):e0011554. doi: 10.1371/journal.pntd.0011554. eCollection 2023 Aug. PLoS Negl Trop Dis. 2023. PMID: 37578991 Free PMC article.
The South African bont tick Amblyomma hebraeum is a hematophagous vector for the heartwater disease pathogen Ehrlichia ruminantium in southern Africa. ...
The South African bont tick Amblyomma hebraeum is a hematophagous vector for the heartwater disease pathogen Ehrlichia
Amblyomma hebraeum is the predominant tick species on goats in the Mnisi Community Area of Mpumalanga Province South Africa and is co-infected with Ehrlichia ruminantium and Rickettsia africae.
Jongejan F, Berger L, Busser S, Deetman I, Jochems M, Leenders T, de Sitter B, van der Steen F, Wentzel J, Stoltsz H. Jongejan F, et al. Parasit Vectors. 2020 Apr 21;13(1):172. doi: 10.1186/s13071-020-04059-5. Parasit Vectors. 2020. PMID: 32312285 Free PMC article.
Moreover, Amblyomma ticks cause damage to livestock due to their feeding behaviour. In South Africa, we studied the abundance of Amblyomma hebraeum ticks on goats of emerging farmers in Mpumalanga Province. ...RESULTS: In total, 13,132 ticks were collected from goat …
Moreover, Amblyomma ticks cause damage to livestock due to their feeding behaviour. In South Africa, we studied the abundance of Amblyomm
Laboratory reared Amblyomma hebraeum and Amblyomma variegatum ticks differ in their susceptibility to infection with Cowdria ruminantium.
Mahan SM, Peter TF, Semu SM, Simbi BH, Norval RA, Barbet AF. Mahan SM, et al. Epidemiol Infect. 1995 Oct;115(2):345-53. doi: 10.1017/s0950268800058465. Epidemiol Infect. 1995. PMID: 7589273 Free PMC article.
The susceptibility of laboratory reared Zimbabwean Amblyomma hebraeum and A. variegatum ticks to infection with geographically distinct Cowdria ruminantium strains was investigated by feeding both species simultaneously on individual sheep infected with one of the f …
The susceptibility of laboratory reared Zimbabwean Amblyomma hebraeum and A. variegatum ticks to infection with geographically …
Characterisation of South African field Ehrlichia ruminantium using multilocus sequence typing.
Dlamkile Z, Neves L, Morar-Leather D, Brandt C, Pretorius A, Steyn H, Liebenberg J. Dlamkile Z, et al. Onderstepoort J Vet Res. 2023 Nov 14;90(1):e1-e8. doi: 10.4102/ojvr.v90i1.2119. Onderstepoort J Vet Res. 2023. PMID: 38044895 Free PMC article.
Heartwater, one of the major tick-borne diseases of some domestic and wild ruminants in Africa, is caused by Ehrlichia ruminantium. The genetic diversity of E. ruminantium isolates renders the available vaccine ineffective against certain virulent isolates. To bette …
Heartwater, one of the major tick-borne diseases of some domestic and wild ruminants in Africa, is caused by Ehrlichia ruminantium
The relationship between tick (Amblyomma hebraeum) infestation and immunity to heartwater (Cowdria ruminantium infection) in calves in Zimbabwe.
Norval RA, Donachie PL, Meltzer MI, Deem SL, Mahan SM. Norval RA, et al. Vet Parasitol. 1995 Jul;58(4):335-52. doi: 10.1016/0304-4017(94)00733-s. Vet Parasitol. 1995. PMID: 8533273
We conducted a study in a heartwater-endemic area in southeastern Zimbabwe to investigate the relationships between calf immunity to C. ruminatium, infestations of the tick vector Amblyomma hebraeum and dam, colostral and calf antibody titres to C. ruminantium. ...
We conducted a study in a heartwater-endemic area in southeastern Zimbabwe to investigate the relationships between calf immunity to C. rumi …
Genetic diversity of Ehrlichia ruminantium field strains from selected farms in South Africa.
Steyn HC, Pretorius A. Steyn HC, et al. Onderstepoort J Vet Res. 2020 Jun 25;87(1):e1-e12. doi: 10.4102/ojvr.v87i1.1741. Onderstepoort J Vet Res. 2020. PMID: 32633993 Free PMC article.
Heartwater is a tick-borne disease caused by the intracellular rickettsial parasite Ehrlichia ruminantium and transmitted by Amblyomma hebraeum ticks. ...
Heartwater is a tick-borne disease caused by the intracellular rickettsial parasite Ehrlichia ruminantium and transmitted by …
Climate changes and suitability for the ticks Amblyomma hebraeum and Amblyomma variegatum (Ixodidae) in Zimbabwe (1974-1999).
Estrada-Peña A, Horak IG, Petney T. Estrada-Peña A, et al. Vet Parasitol. 2008 Feb 14;151(2-4):256-67. doi: 10.1016/j.vetpar.2007.11.014. Epub 2007 Nov 17. Vet Parasitol. 2008. PMID: 18083309
The spread of Amblyomma hebraeum has been reported in Zimbabwe. At the same time there was little or no spread in the distribution of Amblyomma variegatum. ...
The spread of Amblyomma hebraeum has been reported in Zimbabwe. At the same time there was little or no spread in the distribu …
The prevalence of Cowdria ruminantium in free-living adult Amblyomma hebraeum collected at a communal grazing area and in 2 wildlife reserves in South Africa.
Bryson NR, Horak IG, Venter EH, Mahan SM, Simbi B, Peter TF. Bryson NR, et al. J S Afr Vet Assoc. 2002 Sep;73(3):131-2. doi: 10.4102/jsava.v73i3.575. J S Afr Vet Assoc. 2002. PMID: 12515301
In order to detect the prevalence of Cowdria ruminantium in the vector tick, Amblyomma hebraeum, free-living, unfed adult ticks were collected with the aid of pheromone/CO2 traps. ...
In order to detect the prevalence of Cowdria ruminantium in the vector tick, Amblyomma hebraeum, free-living, unfed adult tick …
Distributions of the vectors of heartwater, Amblyomma hebraeum and Amblyomma variegatum (Acari: Ixodidae), in Zimbabwe.
Peter TF, Perry BD, O'Callaghan CJ, Medley GF, Shumba W, Madzima W, Burridge MJ, Mahan SM. Peter TF, et al. Exp Appl Acarol. 1998 Dec;22(12):725-40. doi: 10.1023/a:1006045508522. Exp Appl Acarol. 1998. PMID: 10030008
The tick vectors of heartwater (Cowdria ruminantium infection) in Zimbabwe, Amblyomma hebraeum and Amblyomma variegatum, historically were believed to be confined to the low-lying regions of the south and north-west of the country. ...To determine the current distri …
The tick vectors of heartwater (Cowdria ruminantium infection) in Zimbabwe, Amblyomma hebraeum and Amblyomma variegatum, histo …
39 results