Literature DB >> 2293132

Increased pathogenicity of an Ehrlichia-like agent after passage through Amblyomma hebraeum: a preliminary report.

J L du Plessis1.   

Abstract

After being passaged through 3 generations of Amblyomma hebraeum, an Ehrlichia-like agent isolated from an adult Hyalomma truncatum female became more pathogenic and elicited a disease in sheep indistinguishable from heartwater. Cross-immunity between this agent and several stocks of Cowdria ruminantium and high levels of antibody elicited by the agent against 2 stocks of C. ruminantium in the indirect fluorescent antibody test, confirmed its close relationship to Cowdria.

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Year:  1990        PMID： 2293132

Source DB:  PubMed          Journal:  Onderstepoort J Vet Res        ISSN： 0030-2465            Impact factor:   1.792


  6 in total

Review 1.  Distribution and prevalence of ticks and tick-borne pathogens of wild animals in South Africa: A systematic review.

Authors:  Maphuti B Ledwaba; Khumalo Nozipho; Danisile Tembe; ThankGod E Onyiche; Mamohale E Chaisi
Journal:  Curr Res Parasitol Vector Borne Dis       Date:  2022-04-26

2.  The epidemiology of tick-borne haemoparasites as determined by the reverse line blot hybridization assay in an intensively studied cohort of calves in western Kenya.

Authors:  Nyawira E Njiiri; B Mark deC Bronsvoort; Nicola E Collins; Helena C Steyn; Milana Troskie; Ilse Vorster; S M Thumbi; Kgomotso P Sibeko; Amy Jennings; Ilana Conradie van Wyk; Mary Mbole-Kariuki; Henry Kiara; E Jane Poole; Olivier Hanotte; Koos Coetzer; Marinda C Oosthuizen; Mark Woolhouse; Philip Toye
Journal:  Vet Parasitol       Date:  2015-03-16       Impact factor: 2.738

3.  Genetic diversity of Ehrlichia ruminantium field strains from selected farms in South Africa.

Authors:  Helena C Steyn; Alri Pretorius
Journal:  Onderstepoort J Vet Res       Date:  2020-06-25       Impact factor: 1.792

4.  In vitro propagation and genome sequencing of three 'atypical' Ehrlichia ruminantium isolates.

Authors:  Junita Liebenberg; Helena C Steyn; Antoinette I Josemans; Erika Faber; Erich Zweygarth
Journal:  Onderstepoort J Vet Res       Date:  2020-06-24       Impact factor: 1.792

5.  Tick-borne pathogens of zoonotic and veterinary importance in Nigerian cattle.

Authors:  Vincenzo Lorusso; Michiel Wijnveld; Ayodele O Majekodunmi; Charles Dongkum; Akinyemi Fajinmi; Abraham G Dogo; Michael Thrusfield; Albert Mugenyi; Elise Vaumourin; Augustine C Igweh; Frans Jongejan; Susan C Welburn; Kim Picozzi
Journal:  Parasit Vectors       Date:  2016-04-18       Impact factor: 3.876

Review 6.  Tick-, Flea-, and Louse-Borne Diseases of Public Health and Veterinary Significance in Nigeria.

Authors:  Oluwaseun Oguntomole; Ugochukwu Nwaeze; Marina E Eremeeva
Journal:  Trop Med Infect Dis       Date:  2018-01-03
  6 in total

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