Publications

M. Knox, P. Biggs, J. C. Garcia-R, and D. Hayman (2024) Quantifying replication slippage error in Cryptosporidium metabarcoding studies. The Journal of Infectious Diseases, https://academic.oup.com/jid/advance-article/doi/10.1093/infdis/jiae065/7603955
Garcia-R, J.C., Hayman, D.T.S. (2023) A review and analysis of cryptosporidiosis outbreaks in New Zealand. Parasitology, 150(7):606 - 611. https://doi.org/10.1017/S0031182023000288
Ogbuigwe, P., Roberts, J., Knox, M.A., Heiser, A., Pita, A., Haack, N., Garcia-R, J.C., Velathanthiri, N., Biggs, P.J., French, N.P., Hayman, D.T.S. (2023) A novel, stain-free, natural auto-fluorescent signal, Sig M, identified from cytometric and transcriptomic analysis of infectivity of Cryptosporidium hominis and Cryptosporidium parvum. Frontiers in Cellular and Infection Microbiology, 13. https://doi.org/10.3389/fcimb.2023.1178576
Garcia-R, J.C., Pita, A., Velathanthiri, N., Pas, N., Hayman, D.T.S. (2023) Mammal-related Cryptosporidium infections in endemic reptiles of New Zealand. Parasitology Research, 122:1239–1244. https://doi.org/10.1007/s00436-023-07824-4
Ogbuigwe, P., Biggs, P.J., Garcia-R, J.C., Knox, M.A., Pita, A., Velathanthiri, N., French, N.P., Hayman, D.T.S. (2022) Uncovering the genetic diversity of Giardia intestinalis in isolates from outbreaks in New Zealand. Infectious Diseases of Poverty, 11(49)https://doi.org/10.1186/s40249-022-00969-x
Knox, M.A., Garcia-R, J.C., Ogbuigwe, P., Pita, A., Velathanthiri, N., Hayman D.T.S. (2021) Absence of Cryptosporidium hominis and dominance of zoonotic Cryptosporidium species in patients after Covid-19 restrictions in Auckland, New Zealand. Parasitology, 148(11):1288-1292. https://doi.org/10.1017/S0031182021000974
Garcia-R, J.C., Ogbuigwe, P., Pita, A., Velathanthiri, N., Knox, M.A., Biggs, P.J., French, N.P., Hayman, D.T.S.
(2021) First report of novel assemblages and mixed infections of Giardia duodenalis in human isolates from New Zealand. Acta Tropica, 220:105969. https://doi.org/10.1016/j.actatropica.2021.105969
Knox, M.A., Garcia-R, J.C. Hayman, D.T.S. (2021) Draft Genome Assemblies of Two Cryptosporidium hominis Isolates from New Zealand. Microbiology Resource Announcements, 10(26):e00363-21. https://doi.org/10.1128/MRA.00363-21
Phiri, B.J., French, N.P., Biggs, P.J., Stevenson, M.A., Reynolds, A.D., Garcia‐R, J.C., Hayman, D.T.S. (2021) Microbial contamination in drinking water at public outdoor recreation facilities in New Zealand. Journal of Applied Microbiology, 130(1):302-312. https://doi.org/10.1111/jam.14772
Garcia-R, J.C., Pita, A., Velathanthiri, N., French, N.P., Hayman, D.T.S. (2020) Species and genotypes causing human cryptosporidiosis in New Zealand. Parasitology Research, 119:2317–2326. https://doi.org/10.1007/s00436-020-06729-w
Phiri, B.J., Hayman, D.T.S., Biggs, P.J., French, N.P., Garcia-R, J.C. (2020) Microbial diversity in water and animal faeces: a metagenomic analysis to assess public health risk. New Zealand Journal of Zoology, (Special:Zoological applications for eDNA)https://doi.org/10.1080/03014223.2020.1831556
Gilpin B. et al. (2020) A large scale waterborne Campylobacteriosis outbreak, Havelock North, New Zealand. Journal of Infection, 81(3):390-395. https://doi.org/10.1016/j.jinf.2020.06.065
Phiri, B., Pita, A., Hayman, D.T.S., Biggs, P., David, M., Fayaz, A., Canning, A., French, N., Death, R. (2020) Does land use affect pathogen presence in New Zealand drinking water supplies?. Water Research, 185https://doi.org/10.1016/j.watres.2020.116229
Garcia-R, J.C., Cox, M., Hayman, D.T.S. (2020) Comparative genetic diversity of Cryptosporidium species causing human infections. Parasitology, https://doi.org/10.1017/S0031182020001493
Ogbuigwe, P., Pita, A.B., Knox, M.A., Velathanthiri, N., Hayman D.T.S. (2020) High‐Yield Purification of Giardia intestinalis Cysts from Fecal Samples. Current Protocols in Microbiology, 59(1)https://doi.org/10.1002/cpmc.117
Penny, H., Hayman, D.T.S., Avci, E. (2020) Micromanipulation system for isolating a single Cryptosporidium oocyst.. Micromachines, 11(1):3. https://doi.org/10.3390/mi11010003
Garcia-R, J.C., Cox, M., & Hayman, D.T.S. (2020) Comparative genetic diversity of Cryptosporidium species causing human infections. Parasitology, 147(13):1532-1537. https://doi.org/10.1017/S0031182020001493
Coupe, A., Howe, L., Burrows, E., Sine, A., Pita, A., Velathanthiri, N., Vallee, E., Hayman, D.T.S., Shapiro, K., Roe, W.D. (2018) First report of Toxoplasma gondii sporulated oocysts and Giardia duodenalis in commercial green-lipped mussels (Perna canaliculus) in New Zealand. Parasitology Research, 117(5):1453-1463. https://doi.org/10.1007/s00436-018-5832-8
Lal, A., Dobbins, T., Bagheri, N., Baker, M.G., French, N.P., Hales, S. (2016) Cryptosporidiosis risk in New Zealand children under 5 years old is greatest in areas with high dairy cattle densities. EcoHealth, 13:652-660. https://doi.org/10.1007/s10393-016-1187-8
Garcia-R, J.C., Hayman, D.T.S. (2016) Origin of a major infectious disease in vertebrates: The timing of Cryptosporidium evolution and its hosts. Parasitology, 143(13):1683-1690. https://doi.org/10.1017/S0031182016001323
Al Mawly, J., Grinberg, A., Velathanthiri, N., French, N. (2015) Cross sectional study of prevalence, genetic diversity and zoonotic potential of Cryptosporidium parvum cycling in New Zealand dairy farms. Parasites & Vectors, 8(240):1-7. https://doi.org/10.1186/s13071-015-0855-9
Shrestha, R.D., Grinberg, A., Dukkipati, V.S.R., Pleydell, E.J., Prattley, D.J., French, N.P. (2014) Infections with multiple Cryptosporidium species and new genetic variants in young dairy calves on a farm located within a drinking water catchment area in New Zealand.. Veterinary Parasitology, 202:287-291. https://doi.org/10.1016/j.vetpar.2014.03.034
Grinberg, A., Biggs, P.J., Dukkipati, V.S.R., George, T.T. (2013) Extensive intra-host genetic diversity uncovered in Cryptosporidium parvum using Next Generation Sequencing. Infection, Genetics and Evolution, 15:18-24. https://doi.org/10.1016/j.meegid.2012.08.017
Lal, A., Baker, M.G., Hales, S., French, N.P. (2013) Potential effects of global environmental changes on cryptosporidiosis and giardiasis transmission. Trends in Parasitology, 29:83-90. https://doi.org/10.1016/j.pt.2012.10.005
Almawly, J., Prattley, D., French, N.P., Lopez-Villalobos, N., Hedgespeth, B., Grinberg, A. (2013) Utility of halofuginone lactate for the prevention of natural cryptosporidiosis of calves, in the presence of co-infection with rotavirus and Salmonella typhimurium. Veterinary Parasitology, 197:59-67. https://doi.org/10.1016/j.vetpar.2013.04.029