F Katzer

Summary

Affiliation: Moredun Research Institute
Country: UK

Publications

  1. doi request reprint Immunization of lambs with the S48 strain of Toxoplasma gondii reduces tissue cyst burden following oral challenge with a complete strain of the parasite
    Frank Katzer
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Edinburgh EH26 0PZ, Scotland, UK Electronic address
    Vet Parasitol 205:46-56. 2014
  2. pmc Placental thrombosis in acute phase abortions during experimental Toxoplasma gondii infection in sheep
    Pablo Castaño
    Departamento de Sanidad Animal, Instituto de Ganadería de Montaña CSIC ULE, Grulleros, 24346 León, Spain
    Vet Res 45:9. 2014
  3. pmc Inflammatory infiltration into placentas of Neospora caninum challenged cattle correlates with clinical outcome of pregnancy
    Germán J Cantón
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik EH26 0PZ, UK
    Vet Res 45:11. 2014
  4. pmc Development of maternal and foetal immune responses in cattle following experimental challenge with Neospora caninum at day 210 of gestation
    Paul M Bartley
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Midlothian, EH26 0PZ, Scotland, United Kingdom
    Vet Res 44:91. 2013
  5. pmc Seroprevalence of Toxoplasma gondii in small ruminants from four Caribbean islands
    Clare M Hamilton
    Ross University School of Veterinary Medicine, PO Box 334, Basseterre, St, Kitts, West Indies
    Parasit Vectors 7:449. 2014
  6. pmc Maternal and foetal immune responses of cattle following an experimental challenge with Neospora caninum at day 70 of gestation
    Paul M Bartley
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Midlothian, EH26 0PZ, Scotland, United Kingdom
    Vet Res 43:38. 2012
  7. pmc High rate of transplacental infection and transmission of Neospora caninum following experimental challenge of cattle at day 210 of gestation
    Julio Benavides
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Edinburgh, EH26 0PZ, United Kingdom
    Vet Res 43:83. 2012
  8. pmc Increased Toxoplasma gondii positivity relative to age in 125 Scottish sheep flocks; evidence of frequent acquired infection
    Frank Katzer
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Edinburgh, EH26 0PZ, UK
    Vet Res 42:121. 2011
  9. pmc Selection of Neospora caninum antigens stimulating bovine CD4+ve T cell responses through immuno-potency screening and proteomic approaches
    Mara S Rocchi
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Midlothian, EH26 0PZ, UK
    Vet Res 42:91. 2011
  10. pmc Genotypic diversity, a survival strategy for the apicomplexan parasite Theileria parva
    F Katzer
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik, Midlothian EH26 0PZ, UK
    Vet Parasitol 167:236-43. 2010

Collaborators

Detail Information

Publications16

  1. doi request reprint Immunization of lambs with the S48 strain of Toxoplasma gondii reduces tissue cyst burden following oral challenge with a complete strain of the parasite
    Frank Katzer
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Edinburgh EH26 0PZ, Scotland, UK Electronic address
    Vet Parasitol 205:46-56. 2014
    ..gondii. Consumption of undercooked meat containing T. gondii cysts is a major route of transmission to people, therefore vaccination of food animals may improve the safety of meat for human consumption. ..
  2. pmc Placental thrombosis in acute phase abortions during experimental Toxoplasma gondii infection in sheep
    Pablo Castaño
    Departamento de Sanidad Animal, Instituto de Ganadería de Montaña CSIC ULE, Grulleros, 24346 León, Spain
    Vet Res 45:9. 2014
    ..Although the pathogenesis of these lesions remains to be determined, the infectious dose or virulence of the isolate may play a role in their development. ..
  3. pmc Inflammatory infiltration into placentas of Neospora caninum challenged cattle correlates with clinical outcome of pregnancy
    Germán J Cantón
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik EH26 0PZ, UK
    Vet Res 45:11. 2014
    ..This distinctive cellular immune response may explain the milder clinical outcome observed when animals are infected in later gestation. ..
  4. pmc Development of maternal and foetal immune responses in cattle following experimental challenge with Neospora caninum at day 210 of gestation
    Paul M Bartley
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Midlothian, EH26 0PZ, Scotland, United Kingdom
    Vet Res 44:91. 2013
    ..Our results show that vertical transmission of the parasite occurred in all infected dams, with their foetuses showing effective Neospora-specific cell mediated, humoral and innate immune responses...
  5. pmc Seroprevalence of Toxoplasma gondii in small ruminants from four Caribbean islands
    Clare M Hamilton
    Ross University School of Veterinary Medicine, PO Box 334, Basseterre, St, Kitts, West Indies
    Parasit Vectors 7:449. 2014
    ..Little is known of the epidemiology of T. gondii in the Caribbean; therefore, the aim of this study was to determine T. gondii exposure in small ruminants from four Caribbean island nations...
  6. pmc Maternal and foetal immune responses of cattle following an experimental challenge with Neospora caninum at day 70 of gestation
    Paul M Bartley
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Midlothian, EH26 0PZ, Scotland, United Kingdom
    Vet Res 43:38. 2012
    ..This study shows that the generation of robust peripheral and local maternal CMI responses (lymphoproliferation, IFN-γ) may inhibit the vertical transmission of the parasite...
  7. pmc High rate of transplacental infection and transmission of Neospora caninum following experimental challenge of cattle at day 210 of gestation
    Julio Benavides
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Edinburgh, EH26 0PZ, United Kingdom
    Vet Res 43:83. 2012
    ..This suggests that a change in the maternal immune response plays a crucial role in limiting the initial infection during the last term of pregnancy...
  8. pmc Increased Toxoplasma gondii positivity relative to age in 125 Scottish sheep flocks; evidence of frequent acquired infection
    Frank Katzer
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Edinburgh, EH26 0PZ, UK
    Vet Res 42:121. 2011
    ..gondii infection. Only 24.7% of farmers used the vaccine and the vaccine did not significantly affect the within flock seroprevalence for T. gondii. The implications for food safety and human infection are discussed...
  9. pmc Selection of Neospora caninum antigens stimulating bovine CD4+ve T cell responses through immuno-potency screening and proteomic approaches
    Mara S Rocchi
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Midlothian, EH26 0PZ, UK
    Vet Res 42:91. 2011
    ....
  10. pmc Genotypic diversity, a survival strategy for the apicomplexan parasite Theileria parva
    F Katzer
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik, Midlothian EH26 0PZ, UK
    Vet Parasitol 167:236-43. 2010
    ..These markers have also been used to show that passage of mixed parasites through an immunised calf results in the removal of the immunising genotype from the parasite population produced by ticks fed on this animal...
  11. doi request reprint Evidence of the three main clonal Toxoplasma gondii lineages from wild mammalian carnivores in the UK
    A Burrells
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Midlothian EH26 0PZ, UK
    Parasitology 140:1768-76. 2013
    ..This is the first DNA-based study of T. gondii prevalence and genotypes across a broad range of wild British carnivores...
  12. ncbi request reprint Selection for antigenic diversity of Tams1, the major merozoite antigen of Theileria annulata
    F Katzer
    Department of Veterinary Parasitology, University of Glasgow, Scotland, UK
    Ann N Y Acad Sci 849:96-108. 1998
    ..The possible function of the sequence conservation and polymorphism within Tams1 is discussed in relation to protein structure, host cell invasion and immune evasion...
  13. pmc Cloned Theileria parva produces lesser infections in ticks compared to uncloned T. parva despite similar infections in cattle
    A R Walker
    Centre for Tropical Veterinary Medicine, Royal Dick School of Veterinary Studies, University of Edinburgh, Roslin EH25 9RG, Scotland, UK
    Onderstepoort J Vet Res 73:157-62. 2006
    ..parva. It was concluded that cloned T. parva has characteristics that reduce its viability during the tick stages of its life cycle...
  14. doi request reprint Development of lesions and tissue distribution of parasite in lambs orally infected with sporulated oocysts of Toxoplasma gondii
    J Benavides
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik EH26 0PZ, Scotland, UK
    Vet Parasitol 179:209-15. 2011
    ..This study shows that oral infection with sporulated oocysts in lambs may provide a model for investigating the host-parasite interaction in situ during the development of tissue cysts...
  15. ncbi request reprint Genetic and phenotypic analysis of Tunisian Theileria annulata clones
    L H Taylor
    Centre for Tropical Veterinary Medicine, University of Edinburgh, Easter Bush, Roslin, Midlothian EH25 9RG, Scotland, UK
    Parasitology 126:241-52. 2003
    ..All 3 in vitro measures are likely to have relevance to parasite-host interactions in animals with clinical theileriosis, and should be acted on by within-host and between-host selection...
  16. doi request reprint Detection of Neospora caninum in wild carnivorans in Great Britain
    P M Bartley
    Moredun Research Institute, Pentlands Science Park, Bush Loan, Midlothian EH26 0PZ, Scotland, UK
    Vet Parasitol 192:279-83. 2013
    ..These species could also act as useful sentinel species, demonstrating the presence of the parasite in particular geographical and environmental locations...