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Lecturer and Assistant Research Scientist


Research Focus


Specialty Focus



1999 BS Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ

Most Recent 10 Publications

  • Link Icon 2013 Poukchanski A, Fritz H, Tonkin M, Treeck M, Boulanger, Boothroyd J Toxoplasma gondii Sporozoites Invade Host Cells Using Two Novel Paralogues of RON2 and AMA1 PloS One,
  • Link Icon 2013 VanWormer E, Fritz H, Shapiro K, Mazet JA, Conrad PA Molecules to modeling: Toxoplasma gondii oocysts at the human-animal-environment interface. Comparative immunology, microbiology and infectious diseases,
  • Link Icon 2012 Fritz H, Barr B, Packham A, Melli A, Conrad PA Methods to produce and safely work with large numbers of Toxoplasma gondii oocysts and bradyzoite cysts. Journal of microbiological methods,
  • Link Icon 2012 Fritz HM, Bowyer PW, Bogyo M, Conrad PA, Boothroyd JC Proteomic analysis of fractionated Toxoplasma oocysts reveals clues to their environmental resistance. PloS one,
  • Link Icon 2012 Fritz HM, Buchholz KR, Chen X, Durbin-Johnson B, Rocke DM, Conrad PA, Boothroyd JC Transcriptomic analysis of toxoplasma development reveals many novel functions and structures specific to sporozoites and oocysts. PloS one,
  • Link Icon 2011 Buchholz, KR, Fritz, HM, Chen, X, Durbin-Johnson, B, Rocke, DM, Ferguson, DJ, Conrad, PA, Boothroyd, JC Identification of tissue cyst wall components by transcriptome analysis of in vivo and in vitro Toxoplasma gondii bradyzoites. Eukaryotic cell,
  • Link Icon 2010 Shapiro K, Mazet JA, Schriewer A, Wuertz S, Fritz H, Miller WA, Largier J, Conrad PA Detection of Toxoplasma gondii oocysts and surrogate microspheres in water using ultrafiltration and capsule filtration. Water research,
  • Link Icon 2007 Gaydos JK, Miller WA, Gilardi KV, Melli A, Schwantje H, Engelstoft C, Fritz H, Conrad PA Cryptosporidium and Giardia in marine-foraging river otters (Lontra canadensis) from the Puget Sound Georgia Basin ecosystem. J Parasitol,
  • Link Icon 2005 Miller WA, Atwill ER, Gardner IA, Miller MA, Fritz HM, Hedrick RP, Melli AC, Barnes NM, Conrad PA Clams (Corbicula fluminea) as bioindicators of fecal contamination with Cryptosporidium and Giardia spp. in freshwater ecosystems in California. Int J Parasitol,
  • Link Icon 2000 Adjei AA, Curran BC, Castro M, Shrestha AK, Delsid L, Fritz H, Velez M, Enriquez FJ Gammadelta+ T cells and 65-kDa heat shock protein expression following Cryptosporidium parvum challenge in athymic C57BL/6J nude mice. Immunology letters,