David A Morrison

Summary

Affiliation: Swedish University of Agricultural Sciences
Country: Sweden

Publications

  1. pmc How to summarize estimates of ancestral divergence times
    David A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, Uppsala, Sweden
    Evol Bioinform Online 4:75-95. 2008
  2. pmc A previously unidentified Chorioptes species infesting outer ear canals of moose (Alces alces): characterization of the mite and the pathology of infestation
    Gete Hestvik
    Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Box 7028, 750 07 Uppsala, Sweden
    Acta Vet Scand 49:21. 2007
  3. doi request reprint Using data-display networks for exploratory data analysis in phylogenetic studies
    David A Morrison
    Section for Parasitology SWEPAR, Swedish University of Agricultural Sciences, Uppsala, Sweden
    Mol Biol Evol 27:1044-57. 2010
  4. ncbi request reprint Increasing the efficiency of searches for the maximum likelihood tree in a phylogenetic analysis of up to 150 nucleotide sequences
    David A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, Uppsala, Sweden
    Syst Biol 56:988-1010. 2007
  5. ncbi request reprint How old are the extant lineages of Toxoplasma gondii?
    D A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute, Uppsala, Sweden
    Parassitologia 47:205-14. 2005
  6. ncbi request reprint Prospects for elucidating the phylogeny of the Apicomplexa
    D A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, 751 89 Uppsala, Sweden
    Parasite 15:191-6. 2008
  7. ncbi request reprint Networks in phylogenetic analysis: new tools for population biology
    David A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, 751 89 Uppsala, Sweden
    Int J Parasitol 35:567-82. 2005
  8. doi request reprint Evolution of the Apicomplexa: where are we now?
    David A Morrison
    Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
    Trends Parasitol 25:375-82. 2009
  9. doi request reprint Limited sequence variation in the major sperm protein 1 (MSP) gene within populations and species of the genus Dictyocaulus (Nematoda)
    Johan Hoglund
    Department of Parasitology SWEPAR, National Veterinary Institute, 751 89 Uppsala, Sweden
    Parasitol Res 103:11-20. 2008
  10. ncbi request reprint Phylogenetic analyses of parasites in the new millennium
    David A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, 751 89 Uppsala, Sweden
    Adv Parasitol 63:1-124. 2006

Collaborators

Detail Information

Publications25

  1. pmc How to summarize estimates of ancestral divergence times
    David A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, Uppsala, Sweden
    Evol Bioinform Online 4:75-95. 2008
    ..Use of this approach (based on geometric means) can, unfortunately, lead to very different biological conclusions compared to the currently used calculation methods (based on arithmetic means)...
  2. pmc A previously unidentified Chorioptes species infesting outer ear canals of moose (Alces alces): characterization of the mite and the pathology of infestation
    Gete Hestvik
    Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Box 7028, 750 07 Uppsala, Sweden
    Acta Vet Scand 49:21. 2007
    ..In this study, the mites are characterized by morphological and molecular techniques, and the histopathology of the skin of the outer ear canal is described...
  3. doi request reprint Using data-display networks for exploratory data analysis in phylogenetic studies
    David A Morrison
    Section for Parasitology SWEPAR, Swedish University of Agricultural Sciences, Uppsala, Sweden
    Mol Biol Evol 27:1044-57. 2010
    ..In each case, there is at least one important point (possibly missed by the original authors) that might affect the phylogenetic analysis. I conclude that EDA should play a greater role in phylogenetic analyses than it has done...
  4. ncbi request reprint Increasing the efficiency of searches for the maximum likelihood tree in a phylogenetic analysis of up to 150 nucleotide sequences
    David A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, Uppsala, Sweden
    Syst Biol 56:988-1010. 2007
    ..A newly developed version of the likelihood ratchet using PAUP* successfully found the peaks of multiple islands, but its speed needs to be improved...
  5. ncbi request reprint How old are the extant lineages of Toxoplasma gondii?
    D A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute, Uppsala, Sweden
    Parassitologia 47:205-14. 2005
    ..The MRCA may have existed approximately 150,000 years ago, with the clonal lineages expanding in prevalence approximately 10,000 years ago...
  6. ncbi request reprint Prospects for elucidating the phylogeny of the Apicomplexa
    D A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, 751 89 Uppsala, Sweden
    Parasite 15:191-6. 2008
    ..g. a consortium) needs to coordinate the active collection and analysis of these data if any worthwhile progress is to be made...
  7. ncbi request reprint Networks in phylogenetic analysis: new tools for population biology
    David A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, 751 89 Uppsala, Sweden
    Int J Parasitol 35:567-82. 2005
    ..Several examples using parasitological data sets illustrate the uses of networks within the context of population biology...
  8. doi request reprint Evolution of the Apicomplexa: where are we now?
    David A Morrison
    Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
    Trends Parasitol 25:375-82. 2009
    ..Furthermore, the taxonomic framework for the Apicomplexa is rather tenuous in many respects. This situation is unlikely to change in the short term...
  9. doi request reprint Limited sequence variation in the major sperm protein 1 (MSP) gene within populations and species of the genus Dictyocaulus (Nematoda)
    Johan Hoglund
    Department of Parasitology SWEPAR, National Veterinary Institute, 751 89 Uppsala, Sweden
    Parasitol Res 103:11-20. 2008
    ..This has practical implications for the development of species-specific markers, recombinant vaccines, and immunodiagnostics...
  10. ncbi request reprint Phylogenetic analyses of parasites in the new millennium
    David A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, 751 89 Uppsala, Sweden
    Adv Parasitol 63:1-124. 2006
    ..The review finishes with a detailed consideration of the analysis of a multi-gene data set for several dozen taxa of Cryptosporidium (Apicomplexa), illustrating many of the theoretical and practical points highlighted in the review...
  11. ncbi request reprint Branch lengths and support: revisited
    David A Morrison
    Department of Parasitology, National Veterinary Institute and Swedish University of Agricultural Sciences, 751 89 Uppsala, Sweden
    Syst Biol 52:849-51. 2003
  12. pmc Genomic analysis and mRNA expression of equine type I interferon genes
    Olivier Detournay
    1 Department of Virology, Immunobiology and Parasitology, National Veterinary Institute, Uppsala, Sweden
    J Interferon Cytokine Res 33:746-59. 2013
    ..Moreover, a relatively low number of IFN-α subtypes was found in the horse compared with other eutherian mammals...
  13. ncbi request reprint The current status of the small subunit rRNA phylogeny of the coccidia (Sporozoa)
    David A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, 751 89 Uppsala, Sweden
    Int J Parasitol 34:501-14. 2004
    ..The most interesting unaddressed questions may relate to Isospora, which has the fewest available sequences and host-parasite relationships apparently not as straightforward as elsewhere within the suborder...
  14. doi request reprint Assessing the feasibility of targeted selective treatments for gastrointestinal nematodes in first-season grazing cattle based on mid-season daily weight gains
    Johan Hoglund
    Section of Parasitology SWEPAR, Swedish University of Agricultural Sciences, SE 751 89 Uppsala, Sweden
    Vet Parasitol 164:80-8. 2009
    ..This now needs to be tested in controlled field trials...
  15. pmc Population genetic structure of Ascaridia galli re-emerging in non-caged laying hens
    Johan Hoglund
    Section for Parasitology, Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, P O 7028, Uppsala SE 750 07, Sweden
    Parasit Vectors 5:97. 2012
    ..The aim of this study was to investigate the genetic diversity (Fst) in A. galli collected from different poultry production sites in southern Sweden, to identify possible common routes of colonization...
  16. ncbi request reprint Global patterns reveal strong population structure in Haemonchus contortus, a nematode parasite of domesticated ruminants
    Karin Troell
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, 751 89 Uppsala, Sweden
    Int J Parasitol 36:1305-16. 2006
    ..contortus, the calculation of population structure gave high values (Nst=0.59). The strong structure was present also for the four Swedish isolates (Nst=0.16) representing a small geographical area...
  17. ncbi request reprint Functional analysis and localisation of a delta-class glutathione S-transferase from Sarcoptes scabiei
    Eva U Pettersson
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, SE 751 89 Uppsala, Sweden
    Int J Parasitol 35:39-48. 2005
    ..Additionally, the polyclonal sera raised against recombinant S. scabiei glutathione S-transferase readily detected a protein from mites, corresponding to the predicted size of native glutathione S-transferase...
  18. pmc Parasite control practices on Swedish horse farms
    Eva Osterman Lind
    Department of Parasitology SWEPAR, Swedish University of Agricultural Sciences and National Veterinary Institute, SE 751 89 Uppsala, Sweden
    Acta Vet Scand 49:25. 2007
    ..The aim of this study was to obtain information on practices used by Swedish horse owners for the control of endoparasites...
  19. ncbi request reprint Technical variability and required sample size of helminth egg isolation procedures: revisited
    David A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, 751 89 Uppsala, Sweden
    Parasitol Res 94:361-6. 2004
    ..In particular, the treatment of the data as normally rather than lognormally distributed leads to incorrect statistical tests, power analyses and confidence intervals...
  20. ncbi request reprint The origin of Sarcoptes scabiei in wombats
    David A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, 751 89, Uppsala, Sweden
    Parasitol Res 91:497-9. 2003
    ....
  21. ncbi request reprint The design and analysis of microarray experiments: applications in parasitology
    David A Morrison
    Department of Parasitology SWEPAR, National Veterinary Institute and Swedish University of Agricultural Sciences, Uppsala, Sweden
    DNA Cell Biol 22:357-94. 2003
    ..To put these ideas in context, we provide a detailed examination of two specific examples of the analysis of microarray data, both from parasitology, covering many of the most important points raised...
  22. ncbi request reprint The conceptual basis for a new classification of the coccidia
    Astrid M Tenter
    Institut für Parasitologie, Tierarztliche Hochschule Hannover, Bunteweg 17, D 30559, Hannover, Germany
    Int J Parasitol 32:595-616. 2002
    ..e. a proposal for a revised, and widely accepted, classification of the eimeriid coccidia, may be achieved...
  23. ncbi request reprint Inappropriate application of a model for mixed analysis of variance: some comments on Elena et al. (2001)
    David A Morrison
    Molecular Parasitology Unit, University of Technology Sydney, Westbourne Street, Gore Hill, NSW 2065, Australia
    Infect Genet Evol 1:303-5; discussion 307-9. 2002
  24. ncbi request reprint Further difficulties with multifactorial analysis of variance: random and nested factors and independence of data
    David A Morrison
    Molecular Parasitology Unit, University of Technology Sydney, Westbourne Street, Gore Hill, NSW 2065, Australia
    Infect Genet Evol 2:149-52. 2002
  25. ncbi request reprint Genomics and its impact on parasitology and the potential for development of new parasite control methods
    John T Ellis
    Institute for the Biotechnology of Infectious Diseases, University of Technology, Sydney, Gore Hill, NSW 2065, Australia
    DNA Cell Biol 22:395-403. 2003
    ....