Preparation of Ehrlichia ruminantium challenge material for quantifiable and reproducible challenge in mice and sheep.

[1]  A. Barbet,et al.  DNA vaccination with map1 gene followed by protein boost augments protection against challenge with Cowdria ruminantium, the agent of heartwater. , 2002, Vaccine.

[2]  S. Ray,et al.  Reorganization of genera in the families Rickettsiaceae and Anaplasmataceae in the order Rickettsiales: unification of some species of Ehrlichia with Anaplasma, Cowdria with Ehrlichia and Ehrlichia with Neorickettsia, descriptions of six new species combinations and designation of Ehrlichia equi and , 2001, International journal of systematic and evolutionary microbiology.

[3]  B. Simbi,et al.  A subset of Cowdria ruminantium genes important for immune recognition and protection. , 2001, Gene.

[4]  K. Brayton,et al.  A Partially Protective Clone from Cowdria ruminantium Identified by Using a Salmonella Vaccine Delivery System a , 1998, Annals of the New York Academy of Sciences.

[5]  B. Allsopp,et al.  Expression Library Immunization to Identify Protective Antigens from Cowdria Ruminantium , 1998, Annals of the New York Academy of Sciences.

[6]  Burridge,et al.  A DNA vaccine protects mice against the rickettsial agent Cowdria ruminantium , 1998, Parasite immunology.

[7]  F. Rurangirwa,et al.  A cloned DNA probe for Cowdria ruminantium hybridizes with eight heartwater strains and detects infected sheep , 1992, Journal of clinical microbiology.

[8]  J. Plessis.  Increased pathogenicity of an Ehrlichia-like agent after passage through Amblyomma hebraeum: a preliminary report. , 1990 .

[9]  W. Hess,et al.  A mouse lethal dose assay for detection and titration of Cowdria ruminantium (Kwanyanga strain) in goats and ticks. , 1989, Veterinary microbiology.

[10]  Stewart Cg.  Specific immunity in farm animals to heartwater. , 1987 .

[11]  Bezuidenhout Jd,et al.  The production of heartwater vaccine. , 1987 .

[12]  L. L. Logan.  Cowdria ruminantium: stability and preservation of the organism. , 1987, The Onderstepoort journal of veterinary research.

[13]  N. Barré,et al.  Danger of introducing heartwater onto the American mainland: potential role of indigenous and exotic Amblyomma ticks. , 1987, The Onderstepoort journal of veterinary research.

[14]  N. Mchardy,et al.  Cowdria ruminantium infection in the mouse: a review. , 1987, The Onderstepoort journal of veterinary research.

[15]  Birnie Ef,et al.  Comparison of diluents for maintaining the viability of Cowdria ruminantium. , 1986 .

[16]  B. Barnard,et al.  In vitro cultivation of Cowdria ruminantium. , 1985, The Onderstepoort journal of veterinary research.

[17]  L. Prozesky,et al.  The pathology of heartwater. I. A study of mice infected with the Welgevonden strain of Cowdria ruminantium. , 1985, The Onderstepoort journal of veterinary research.

[18]  G. Uilenberg.  Heartwater (Cowdria ruminantium infection): current status. , 1983, Advances in veterinary science and comparative medicine.

[19]  N. Barré,et al.  Existence de la cowdriose (heartwater) à Cowdria ruminantium chez les ruminants des Antilles françaises (La Guadeloupe) et des Mascareignes (La Réunion et Ile Maurice) , 1980 .

[20]  J. C. Snyder,et al.  THE INFLUENCE OF CERTAIN SALTS, AMINO ACIDS, SUGARS, AND PROTEINS ON THE STABILITY OF RICKETTSIAE , 1950, Journal of bacteriology.

[21]  L. Reed,et al.  A SIMPLE METHOD OF ESTIMATING FIFTY PER CENT ENDPOINTS , 1938 .

[22]  L. J. Reed.  A simple method of estimating fifty per cent end-points. , 1938 .