N. Collins

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Co-infections determine patterns of mortality in a population exposed to parasite infection

Miika Tapio, Samuel M. Thumbi, Mark E. J. Woolhouse, 2015, Science Advances.

Selection and evaluation of housekeeping genes as endogenous controls for quantification of mRNA transcripts in Theileria parva using quantitative real-time polymerase chain reaction (qPCR)

M. Oosthuizen, N. Collins, T. N. Tsotetsi, 2018, PloS one.

Detection and Characterisation of Anaplasma marginale and A. centrale in South Africa

Z. Khumalo, K. Brayton, M. Oosthuizen, 2018, Veterinary sciences.

Co-infections with multiple genotypes of Anaplasma marginale in cattle indicate pathogen diversity

Helen N. Catanese, K. Brayton, H. Ganesan, 2018, Parasites & Vectors.

Molecular diagnosis of theileriosis and heartwater in bovines in Africa.

N. Collins, B. Allsopp, M. Allsopp, 2002, Transactions of the Royal Society of Tropical Medicine and Hygiene.

Improved detection of Babesia bigemina from various geographical areas in Africa using quantitative PCR and reverse line blot hybridisation.

L. Neves, C. Byaruhanga, M. Oosthuizen, 2020, Ticks and tick-borne diseases.

Ultrastructural Histopathology of Vervet Monkey Colonic Epithelium After In Vitro Exposure to Cell-free Supernatants of Shigella Cultures

R. Hill, N. Collins, H. M. Cowley, 1991 .

Cowdria ruminantium DNA is unstable in a SuperCos1 library.

E. D. de Villiers, K. Brayton, J. Fehrsen, 1999, The Onderstepoort journal of veterinary research.

Anaplasma marginale outer membrane protein vaccine candidates are conserved in North American and South African strains.

K. Brayton, J. Liebenberg, M. Oosthuizen, 2020, Ticks and tick-borne diseases.

Tick-borne haemoparasites in African buffalo (Syncerus caffer) from two wildlife areas in Northern Botswana

K. Sibeko, F. Jori, M. Oosthuizen, 2015, Parasites & Vectors.

Genetic diversity in Babesia bovis from southern Africa and estimation of B. bovis infection levels in cattle using an optimised quantitative PCR assay.

C. Byaruhanga, N. Collins, F. Mulandane, 2022, Ticks and tick-borne diseases.

Endemic status of tick-borne infections and tick species diversity among transhumant zebu cattle in Karamoja Region, Uganda: Support for control approaches.

C. Byaruhanga, D. Knobel, M. Oosthuizen, 2015, Veterinary parasitology, regional studies and reports.

The genome of the heartwater agent Ehrlichia ruminantium contains multiple tandem repeats of actively variable copy number.

Fourie Joubert, Kelly A Brayton, David Berthier, 2005, Proceedings of the National Academy of Sciences of the United States of America.

The Pathology of Pathogenic Theileriosis in African Wild Artiodactyls

S. Clift, J. Steyl, M. Oosthuizen, 2019, Veterinary pathology.

Evidence confirming the phylogenetic position of Anaplasma centrale (ex Theiler 1911) Ristic and Kreier 1984.

Z. Khumalo, K. Brayton, M. Oosthuizen, 2018, International journal of systematic and evolutionary microbiology.

Comparison of three nucleic acid-based tests for detecting Anaplasma marginale and Anaplasma centrale in cattle

Z. Khumalo, K. Brayton, M. Oosthuizen, 2017, The Onderstepoort journal of veterinary research.

Using participatory epidemiology to investigate management options and relative importance of tick-borne diseases amongst transhumant zebu cattle in Karamoja Region, Uganda.

C. Byaruhanga, D. Knobel, M. Oosthuizen, 2015, Preventive veterinary medicine.

Molecular investigation of tick-borne haemoparasite infections among transhumant zebu cattle in Karamoja Region, Uganda.

C. Byaruhanga, D. Knobel, M. Oosthuizen, 2016, Veterinary parasitology, regional studies and reports.

Theileria parva ribosomal internal transcribed spacer sequences exhibit extensive polymorphism and mosaic evolution: application to the characterization of parasites from cattle and buffalo

N. Collins, B. Allsopp, 1999, Parasitology.

Occurrence of blood-borne tick-transmitted parasites in common tsessebe (Damaliscus lunatus) antelope in Northern Cape Province, South Africa.

M. Oosthuizen, N. Collins, B. Penzhorn, 2011, Veterinary parasitology.

Identification of a Novel Babesia sp. from a Sable Antelope (Hippotragus niger Harris, 1838)

M. Oosthuizen, N. Collins, B. Penzhorn, 2008, Journal of Clinical Microbiology.

Temporal Dynamics of Anaplasma marginale Infections and the Composition of Anaplasma spp. in Calves in the Mnisi Communal Area, Mpumalanga, South Africa

K. Brayton, M. Oosthuizen, N. Collins, 2023, Microorganisms.

Anaplasma phagocytophilum and Other Anaplasma spp. in Various Hosts in the Mnisi Community, Mpumalanga Province, South Africa

J. Frean, L. Blumberg, K. Brayton, 2020, Microorganisms.

Molecular genotyping and epidemiology of equine piroplasmids in South Africa.

N. Collins, L. Schnittger, D. Dalton, 2019, Ticks and tick-borne diseases.

Phylogeny of Theileria buffeli genotypes identified in the South African buffalo (Syncerus caffer) population.

M. Oosthuizen, N. Collins, M. Chaisi, 2014, Veterinary parasitology.

Evaluation of a Real-Time PCR Test for the Detection and Discrimination of Theileria Species in the African Buffalo (Syncerus caffer)

D. Geysen, M. Oosthuizen, N. Collins, 2013, PloS one.

Identification of Theileria parva and Theileria sp. (buffalo) 18S rRNA gene sequence variants in the African Buffalo (Syncerus caffer) in southern Africa.

K. Sibeko, M. Oosthuizen, N. Collins, 2011, Veterinary parasitology.

Occurrence of tick-borne haemoparasites in cattle in the Mungwi District, Northern Province, Zambia.

C. Byaruhanga, M. Oosthuizen, N. Collins, 2018, Ticks and tick-borne diseases.

Sequence heterogeneity in the equi merozoite antigen gene (ema-1) of Theileria equi and development of an ema-1-specific TaqMan MGB assay for the detection of T. equi.

N. Collins, M. Quan, A. Guthrie, 2010, Veterinary parasitology.

Sequence heterogeneity in the gene encoding the rhoptry-associated protein-1 (RAP-1) of Babesia caballi isolates from South Africa.

N. Collins, M. Quan, A. Guthrie, 2010, Veterinary parasitology.

Analyses of genes encoding Theileria parva p104 and polymorphic immunodominant molecule (PIM) reveal evidence of the presence of cattle-type alleles in the South African T. parva population.

J. Coetzer, D. Geysen, K. Sibeko, 2011, Veterinary parasitology.

Four p67 alleles identified in South African Theileria parva field samples.

J. Coetzer, C. Matthee, D. Geysen, 2010, Veterinary parasitology.

Sequence variation identified in the 18S rRNA gene of Theileria mutans and Theileria velifera from the African buffalo (Syncerus caffer).

M. Oosthuizen, N. Collins, F. Potgieter, 2013, Veterinary parasitology.

Genetic diversity of piroplasms in plains zebra (Equus quagga burchellii) and Cape mountain zebra (Equus zebra zebra) in South Africa.

P. Buss, N. Collins, A. Guthrie, 2010, Veterinary parasitology.

Studies of a polymorphic Ehrlichia ruminantium gene for use as a component of a recombinant vaccine against heartwater.

J. Liebenberg, N. Collins, B. Allsopp, 2010, Vaccine.

Putative clinical piroplasmosis in a Burchell's zebra (Equus quagga burchelli).

N. Collins, B. Penzhorn, R. Bhoora, 2009, Journal of the South African Veterinary Association.

Development and evaluation of real-time PCR assays for the quantitative detection of Babesia caballi and Theileria equi infections in horses from South Africa.

F. Jongejan, J. H. van der Kolk, N. Collins, 2010, Veterinary parasitology.

Sequence heterogeneity in the 18S rRNA gene within Theileria equi and Babesia caballi from horses in South Africa.

F. Jongejan, M. Oosthuizen, N. Collins, 2009, Veterinary parasitology.

Occurrence of Theileria parva and other haemoprotozoa in cattle at the edge of Hluhluwe-iMfolozi Park, KwaZulu-Natal, South Africa.

P. van den Bossche, R. Nkuna, N. Collins, 2010, Journal of the South African Veterinary Association.

Characterization of a major outer membrane protein multigene family in Ehrlichia ruminantium.

H. van Heerden, K. Brayton, N. Collins, 2004, Gene.

Identification of Ehrlichia ruminantium proteins that activate cellular immune responses using a reverse vaccinology strategy.

J. Liebenberg, N. Collins, B. Allsopp, 2012, Veterinary immunology and immunopathology.

Genetic Immunization with Ehrlichia ruminantium GroEL and GroES Homologues

K. Brayton, N. Collins, B. Allsopp, 2002, Annals of the New York Academy of Sciences.

Protection against heartwater by DNA immunisation with four Ehrlichia ruminantium open reading frames.

N. Collins, H. Steyn, B. Allsopp, 2007, Vaccine.

Development of Improved Vaccines for Heartwater

K. Brayton, N. Collins, B. Allsopp, 2003, Annals of the New York Academy of Sciences.

Sequencing of a 15‐kb Ehrlichia ruminantium Clone and Evaluation of the cpg1 Open Reading Frame for Protection against Heartwater

K. Brayton, N. Collins, B. Allsopp, 2002, Annals of the New York Academy of Sciences.

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

K. Brayton, N. Collins, B. Allsopp, 2003, Veterinary parasitology.

DNA Sequence of a Cosmid Clone of Cowdria ruminantium

K. Brayton, N. Collins, B. Allsopp, 1998, Annals of the New York Academy of Sciences.

Development of improved attenuated and nucleic acid vaccines for heartwater.

K. Brayton, N. Collins, B. Allsopp, 2003, Developments in biologicals.

Sequence Analysis of Three Ehrlichia ruminantium LambdaGEM‐11 Clones

N. Collins, H. Steyn, A. Pretorius, 2002, Annals of the New York Academy of Sciences.

A heterologous prime/boost immunisation strategy protects against virulent E. ruminantium Welgevonden needle challenge but not against tick challenge.

N. Collins, B. Allsopp, F. E. Faber, 2008, Vaccine.

Distribution and Prevalence of Anaplasmataceae, Rickettsiaceae and Coxiellaceae in African Ticks: A Systematic Review and Meta-Analysis

C. Cossu, H. van Heerden, M. L. Menandro, 2023, Microorganisms.

Major Outer Membrane Proteins of Ehrlichia ruminantium Encoded by a Multigene Family

N. Collins, B. Allsopp, M. Allsopp, 2002, Annals of the New York Academy of Sciences.

Characterization of Anaplasma marginale subsp. centrale Strains by Use of msp1aS Genotyping Reveals a Wildlife Reservoir

Helen N. Catanese, A. Gebremedhin, Z. Khumalo, 2016, Journal of Clinical Microbiology.

Identification of novel Babesia and Theileria species in South African giraffe (Giraffa camelopardalis, Linnaeus, 1758) and roan antelope (Hippotragus equinus, Desmarest 1804).

M. Oosthuizen, N. Collins, B. Allsopp, 2009, Veterinary parasitology.

Development and evaluation of a real-time polymerase chain reaction test for the detection of Theileria parva infections in Cape buffalo (Syncerus caffer) and cattle.

J. Coetzer, D. Geysen, K. Sibeko, 2008, Veterinary parasitology.

The relationship between theileria parva parva and t.p. lawrencei as shown by sporozoite antigen and ribosomal RNA gene sequences

N. Collins, 1997 .

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

O. Hanotte, A. Jennings, K. Sibeko, 2015, Veterinary parasitology.

Sumatran elephant Elephas maximus sumatranus density and habitat use in relation to forest characteristics in the Leuser Ecosystem, North Sumatra.

N. Collins, 2018 .

Unravelling the diversity of Anaplasma species circulating in selected African wildlife hosts by targeted 16S microbiome analysis

K. Brayton, M. Oosthuizen, N. Collins, 2023, Current research in microbial sciences.

Molecular detection and phylogenetic analysis of Anaplasma marginale and Anaplasma centrale amongst transhumant cattle in north-eastern Uganda.

Z. Khumalo, C. Byaruhanga, D. Knobel, 2018, Ticks and tick-borne diseases.