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S. Mahan · SciRah

Researcher profile · Semantic Scholar

S. Mahan

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S. Mahan — researcher profile on SciRah

h-index: 35
Works: 131
Citations: 3,410

Most-cited papers

Differential Endometrial Cell Sensitivity to a Cholesterol-Dependent Cytolysin Links Trueperella pyogenes to Uterine Disease in Cattle1
M. Amos, G. D. Healey, R. Goldstone, S. Mahan +7 more
2014Biology of Reproduction135 citations
Semantic Scholar
Molecular characterization of a 28 kDa surface antigen gene family of the tribe Ehrlichiae.
G. Reddy, C. Sulsona, A. Barbet, S. Mahan +2 more
1998Biochemical and Biophysical Research Communications - BBRC101 citations
Semantic Scholar
Ticks and tick-borne disease in Guatemalan cattle and horses.
M. Teglas, Erin Matern, Sarah Lein, Patrick Foley +2 more
2005Veterinary parasitology94 citations
Semantic Scholar
An assessment of the economic impact of heartwater (Cowdria ruminantium infection) and its control in Zimbabwe.
A. W. Mukhebi, Tafireyi Chamboko, C. J. O'Callaghan, T. Peter +4 more
1999Preventive Veterinary Medicine90 citations
Semantic Scholar
Comparison of three enzyme-linked immunosorbant assays with the indirect immunofluorescent antibody test for the diagnosis of canine infection with Ehrlichia canis.
S. Harrus, A. Rick Alleman, H. Bark, S. Mahan +1 more
2002Veterinary Microbiology85 citations
Semantic Scholar
Sequence heterogeneity of the major antigenic protein 1 genes from Cowdria ruminantium isolates from different geographical areas
G. Reddy, C. R. Sulsona, R. H. Harrison, S. Mahan +2 more
1996Clinical and Diagnostic Laboratory Immunology77 citations Open access
Semantic Scholar
Infection of a goat with a tick-transmitted Ehrlichia from Georgia, U.S.A., that is closely related to Ehrlichia ruminantium
A. Loftis, W. Reeves, J. P. Spurlock, S. Mahan +3 more
2006Journal of Vector Ecology74 citations
Semantic Scholar
Immunisation of sheep against heartwater with inactivated Cowdria ruminantium.
S. Mahan, H. R. Andrew, N. Tebele, M. J. Burridge +1 more
1995Research in Veterinary Science70 citations
Semantic Scholar
DNA vaccination with map1 gene followed by protein boost augments protection against challenge with Cowdria ruminantium, the agent of heartwater.
Aceme Nyika, A. Barbet, M. J. Burridge, S. Mahan
2002Vaccine64 citations
Semantic Scholar
Reduction in mortality from heartwater in cattle, sheep and goats exposed to field challenge using an inactivated vaccine.
S. Mahan, G. E. Smith, David Kumbula, M. J. Burridge +1 more
2001Veterinary parasitology60 citations
Semantic Scholar
COMPARISON OF EFFICACY OF AMERICAN AND AFRICAN AMBLYOMMA TICKS AS VECTORS OF HEARTWATER (COWDRIA RUMINANTIUM) INFECTION BY MOLECULAR ANALYSES AND TRANSMISSION TRIALS
S. Mahan, T. Peter, B. Simbi, K. Kocan +3 more
2000Journal of Parasitology57 citations
Semantic Scholar
Ehrlichia ruminantium infection (heartwater) in wild animals.
T. Peter, M. J. Burridge, S. Mahan
2002Trends in Parasitology55 citations
Semantic Scholar
The map1 gene of Cowdria ruminantium is a member of a multigene family containing both conserved and variable genes.
C. Sulsona, S. Mahan, A. Barbet
1999Biochemical and Biophysical Research Communications - BBRC55 citations
Semantic Scholar
Detection of the Agent of Heartwater, Cowdria ruminantium, in Amblyomma Ticks by PCR: Validation and Application of the Assay to Field Ticks
T. Peter, A. Barbet, A. Alleman, B. Simbi +2 more
2000Journal of Clinical Microbiology52 citations Open access
Semantic Scholar
Duration of immunity to experimental infection with bovine respiratory syncytial virus following intranasal vaccination of young passively immune calves.
J. Ellis, S. Gow, S. Mahan, R. Leyh
2013Journal of the American Veterinary Medical Association50 citations Open access
Semantic Scholar
Rickettsia africae in Amblyomma variegatum and Domestic Ruminants on Eight Caribbean Islands
P. Kelly, H. Lucas, L. Beati, C. Yowell +2 more
2010Journal of Parasitology47 citations
Semantic Scholar
Immune responses to Cowdria ruminantium infections.
P. Totté, A. Bensaid, S. Mahan, D. Martinez +1 more
1999Parasitology Today47 citations
Semantic Scholar
Antibody Responses to MAP 1B and Other Cowdria ruminantium Antigens Are Down Regulated in Cattle Challenged with Tick-Transmitted Heartwater
S. Semu, T. Peter, D. Mukwedeya, Anthony F. Barbet +2 more
2001Clinical Diagnostic Laboratory Immunology46 citations Open access
Semantic Scholar
The inactivated Cowdria ruminantium vaccine for heartwater protects against heterologous strains and against laboratory and field tick challenge.
S. Mahan, D. Kumbula, M. J. Burridge, Anthony F. Barbet
1998Vaccine45 citations
Semantic Scholar
Immunization of Cattle by Infection withCowdria ruminantium Elicits T Lymphocytes That Recognize Autologous, Infected Endothelial Cells and Monocytes
D. Mwangi, S. Mahan, J. Nyanjui, E. Taracha +1 more
1998Infection and Immunity44 citations Open access
Semantic Scholar
Increasing Risks of Introduction of Heartwater onto the American Mainland Associated with Animal Movements
M. J. Burridge, L. Simmons, T. Peter, S. Mahan
2002Annals of the New York Academy of Sciences41 citations
Semantic Scholar
DEMONSTRATION OF A CARRIER STATE FOR COWDRIA RUMINANTIUM IN WILD RUMINANTS FROM AFRICA
T. Peter, E. Anderson, M. J. Burridge, S. Mahan
1998Journal of Wildlife Diseases41 citations
Semantic Scholar
Structure of the type IV secretion system in different strains of Anaplasma phagocytophilum
B. Al-Khedery, Anna M. Lundgren, S. Stuen, E. G. Granquist +5 more
2012BMC Genomics37 citations Open access
Semantic Scholar
Evaluation of the MAP‐1B ELISA for Cowdriosis with Field Sera from Livestock in Zimbabwea
S. Mahan, S. Semu, T. Peter, F. Jongejan
1998Annals of the New York Academy of Sciences34 citations
Semantic Scholar
The epidemiology of heartwater: Establishment and maintenance of endemic stability.
S. Deem, R. Noval, Tania Yonow, T. Peter +2 more
1996Parasitology Today33 citations
Semantic Scholar
Antibody recognition of cathepsin L1-derived peptides in Fasciola hepatica-infected and/or vaccinated cattle and identification of protective linear B-cell epitopes.
Laura Garza-Cuartero, T. Geurden, S. Mahan, J. Hardham +2 more
2018Vaccine30 citations Open access
Semantic Scholar
COMPETENCE OF THE AFRICAN TORTOISE TICK, AMBLYOMMA MARMOREUM(ACARI: IXODIDAE), AS A VECTOR OF THE AGENT OF HEARTWATER(COWDRIA RUMINANTIUM
T. Peter, M. J. Burridge, S. Mahan
2000Journal of Parasitology30 citations
Semantic Scholar
CD8(+) T cell knockout mice are less susceptible to Cowdria ruminantium infection than athymic, CD4(+) T cell knockout, and normal C57BL/6 mice.
B. Byrom, Anthony F. Barbet, M. Obwolo, S. Mahan
2000Veterinary parasitology29 citations
Semantic Scholar
The distribution of heartwater in the highveld of Zimbabwe, 1980-1997.
T. Peter, Brian D. Perry, C. J. O'Callaghan, G. Medley +4 more
1998Onderstepoort Journal of Veterinary Research29 citations
Semantic Scholar
Ehrlichia ruminantium in Amblyomma variegatum and Domestic Ruminants in the Caribbean
P. Kelly, H. Lucas, C. Yowell, L. Beati +3 more
2011Journal of medical entomology27 citations Open access
Semantic Scholar
Distributions of the vectors of heartwater, Amblyomma hebraeum and Amblyomma variegatum (Acari: Ixodidae), in Zimbabwe
T. Peter, Brian D. Perry, C. J. O'Callaghan, G. Medley +4 more
1998Experimental & applied acarology27 citations
Semantic Scholar
GROWTH OF COWDRIA RUMINANTIUM IN TISSUE CULTURE ENDOTHELIAL CELL LINES FROM WILD AFRICAN MAMMALS
G. E. Smith, E. Anderson, M. J. Burridge, T. Peter +1 more
1998Journal of Wildlife Diseases27 citations Open access
Semantic Scholar
Demonstration of vertical transmission of Cowdria ruminantium, the causative agent of heartwater, from cows to their calves.
S. Deem, R. Norval, P. Donachie, S. Mahan
1996Veterinary parasitology27 citations
Semantic Scholar
Vaccine strategies for Cowdria ruminantium infections and their application to other ehrlichial infections.
S. Mahan, B. Allsopp, K. Kocan, Guy H. Palmer +1 more
1999Parasitology Today26 citations
Semantic Scholar
The control of heartwater on large-scale commercial and smallholder farms in Zimbabwe.
Tafireyi Chamboko, A. Mukhebi, C. Callaghan, T. Peter +4 more
1999Preventive Veterinary Medicine26 citations
Semantic Scholar
Prevalence of Cowdria ruminantium infection in Amblyomma hebraeum ticks from heartwater-endemic areas of Zimbabwe
T. Peter, Brian D. Perry, C. J. O'Callaghan, G. Medley +3 more
1999Epidemiology and Infection26 citations Open access
Semantic Scholar
Neutralization of bovine Concanavalin‐A T cell supernatant‐mediated anti‐Cowdria ruminantium activity with antibodies specific to Interferon gamma but not to tumor necrosis factor
S. Mahan, M. Sileghem, G. Smith, B. Byrom
1996Parasite immunology (Print)26 citations
Semantic Scholar
A subset of Cowdria ruminantium genes important for immune recognition and protection.
Anthony F. Barbet, W. Whitmire, S. Kamper, B. Simbi +5 more
2001Gene24 citations
Semantic Scholar
Antibodies in cat sera from southern Africa react with antigens of Ehrlichia canis
L. Matthewman, Patrick J. Kelly, K. Wray, N. Bryson +3 more
1996The Veterinary Record24 citations
Semantic Scholar
Immunisation of cattle against heartwater by infection with Cowdria ruminantium elicits T lymphocytes that recognise major antigenic proteins 1 and 2 of the agent.
D. Mwangi, D. Mckeever, J. Nyanjui, A. Barbet +1 more
2002Veterinary Immunology and Immunopathology20 citations
Semantic Scholar
Heartwater (cowdriosis): A review
M. J. Burridge, S. Mahan
199720 citations
Semantic Scholar
Cowdria ruminantium infection in ticks in the Kruger National Park
T. Peter, N. Bryson, B. Perry, C. J. O'Callagan +6 more
1999The Veterinary Record19 citations
Semantic Scholar
Colostrum from dams living in a heartwater-endemic area influences calfhood immunity to Cowdria ruminantium.
S. Deem, P. Donachie, R. Norval, S. Mahan
1996Veterinary parasitology19 citations
Semantic Scholar
Mevalonate biosynthesis intermediates are key regulators of innate immunity in bovine endometritis
G. D. Healey, C. Collier, Sholeem Griffin, H. Schuberth +5 more
2015Journal of Immunology18 citations Open access
Semantic Scholar
Population-Based Evaluation of the Ehrlichia Ruminantium MAP 1B Indirect ELISA
T. Peter, C. O'Callaghan, G. Medley, B. Perry +2 more
2004Experimental & applied acarology18 citations
Semantic Scholar
A POLARIZED TH1 TYPE IMMUNE RESPONSE TO COWDRIA RUMINANTIUM INFECTION IS DETECTED IN IMMUNE DBA/2 MICE
B. Byrom, M. Obwolo, Anthony F. Barbet, S. Mahan
2000Journal of Parasitology17 citations Open access
Semantic Scholar
PCR Detection of Cowdria ruminantium Infection in Ticks and Animals from Heartwater‐Endemic Regions of Zimbabwe
S. Mahan, T. Peter, B. Simbi, M. J. Burridge
1998Annals of the New York Academy of Sciences16 citations
Semantic Scholar
Comparing the detection of exposure to Ehrlichia ruminantium infection on a heartwater-endemic farm by the pCS20 polymerase chain reaction assay and an indirect MAP1-B enzyme linked immunosorbent assay.
B. Simbi, T. Peter, M. J. Burridge, S. Mahan
2003Onderstepoort Journal of Veterinary Research15 citations
Semantic Scholar
Predicting the effect of vaccination on the transmission dynamics of heartwater (Cowdria ruminantium infection).
C. J. O'Callaghan, G. Medley, T. Peter, S. Mahan +1 more
1999Preventive Veterinary Medicine15 citations
Semantic Scholar
Potential Value of Major Antigenic Protein 2 for Serological Diagnosis of Heartwater and Related Ehrlichial Infections
Michael V. Bowie, G. Reddy, S. Semu, S. Mahan +1 more
1999Clinical Diagnostic Laboratory Immunology15 citations Open access
Semantic Scholar

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D. Mwangi — researcher profile on SciRah