Dr Ian Gassiep
Postdoctoral Research Fellow
Frazer Institute
Journal Articles
Meumann, Ella M., Rajahram, Giri, Woolley, Stephen D., Smith, Simon and Gassiep, Ian (2026). Treatment of melioidosis. Infectious Disease Clinics of North America, 40 (1), 127-147. doi: 10.1016/j.idc.2025.12.002
Coulon, Pauline M. L., Ramsay, Kay, Lee, Aven, Ritmejeryte, Edita, Pitt, Miranda E., To, Joyce, Mediati, Daniel G., Gassiep, Ian, Reed, Sarah, Harris, Patrick N. A. and Myers, Garry S. A. (2026). Profiling of Burkholderia pseudomallei variants derived from Queensland’s clinical isolates. Microbiology Spectrum, 14 (2) e02437-25, 1-19. doi: 10.1128/spectrum.02437-25
Coulon, Pauline M. L., Chowdhury, Piklu Roy, Gassiep, Ian, Ramsay, Kay, Lee, Aven, Ritmejeryte, Edita, Pitt, Miranda E., To, Joyce, Reed, Sarah, Harris, Patrick N. A. and Myers, Garry S. A. (2025). Co-isolation of genetically distinct Burkholderia pseudomallei strains from a single patient in North Queensland. PLoS One, 20 (12) e0338333, 1-18. doi: 10.1371/journal.pone.0338333
Gassiep, Ian, Chewapreecha, Claire, Chantratita, Narisara, Oakley, Tessa, Mukhopadhyay, Chiranjay, Lal, Piyush Behari, AuCoin, David, Chowdhury, Fazle Rabbi, Meumann, Ella M., Currie, Bart J., Dance, David A. B., Wuthiekanun, Vanaporn and Norton, Robert (2025). Laboratory diagnosis of melioidosis. PLOS Neglected Tropical Diseases, 19 (12) e0013761, 1-24. doi: 10.1371/journal.pntd.0013761
Gassiep, Ian, Glover, Matthew, Beecham, Mark, Gorman, Brian, Page, Melissa, Stewart, James and Harris, Patrick N. A. (2025). Evaluation of an automated molecular diagnostic instrument for direct detection of Burkholderia pseudomallei from clinical specimens. Journal of Medical Microbiology, 74 (9) 002074, 1-6. doi: 10.1099/jmm.0.002074
Stewart, Adam G., Laupland, Kevin B., Edwards, Felicity, Gassiep, Ian, Koo, Sophia, Hammond, Sarah P., Chen, Sharon C.-A. and Slavin, Monica A. (2025). Clinical characteristics and outcomes in patients with Cryptococcaemia from a large population-based cohort. Mycoses, 68 (7) e70091, 1-10. doi: 10.1111/myc.70091
Sivabalan, Pirathaban, Satyaputra, Ferris, Gassiep, Ian, Forde, Brian, Frazer, Jaimie, Glover, Matthew, Adams, Buenafe and Norton, Robert (2024). Meropenem-resistant Burkholderia pseudomallei: a concerning single case in Australia with no prior meropenem exposure. Access Microbiology, 6 (10) 000619.v4. doi: 10.1099/acmi.0.000619.v4
Gassiep, Ian, Chatfield, Mark D., Permana, Budi, Burnard, Delaney, Bauer, Michelle J., Cuddihy, Thom, Forde, Brian M., Mayer-Coverdale, Johanna, Norton, Robert E. and Harris, Patrick N. A. (2024). The genomic epidemiology of clinical Burkholderia pseudomallei isolates in North Queensland, Australia. Pathogens, 13 (7) 584, 584. doi: 10.3390/pathogens13070584
Morgan, Jessica, Vardanega, John, Yue, Mimi and Gassiep, Ian (2024). Haematologic and urologic manifestations of Cryptococcus neoformans. Case Reports in Infectious Diseases, 2024 (1) 2245391, 1-6. doi: 10.1155/2024/2245391
Gassiep, Ian, Edwards, Felicity and Laupland, Kevin B. (2024). Epidemiology of biliary tract-associated bloodstream infections and adequacy of empiric therapy: an Australian population-based study. European Journal of Clinical Microbiology & Infectious Diseases, 43 (9), 1753-1760. doi: 10.1007/s10096-024-04894-9
Gassiep, Ian, Burnard, Delaney, Permana, Budi, Bauer, Michelle J., Cuddihy, Thom, Forde, Brian M., Chatfield, Mark D., Ling, Weiping, Norton, Robert and Harris, Patrick N. A. (2023). Melioidosis Queensland: an analysis of clinical outcomes and genomic factors. PLoS Neglected Tropical Diseases, 17 (10) e0011697, 1-13. doi: 10.1371/journal.pntd.0011697
Gassiep, Ian, Grey, Victoria, Thean, Li Jun, Farquhar, Drew, Clark, Julia E., Ariotti, Lawrence, Graham, Rikki, Jennison, Amy V., Bergh, Haakon, Anuradha, Satyamurthy, Dyer, Wendy, James, Christian, Huang, Andrea, Putt, Elise, Pakeerathan, Veenaa, Griffin, Paul M. and Harris, Patrick N. A. (2023). Expanding the geographic boundaries of Melioidosis in Queensland, Australia. The American Journal of Tropical Medicine and Hygiene, 108 (6), 1215-1219. doi: 10.4269/ajtmh.23-0002
Ganeshalingam, Vibooshini, Kaestli, Mirjam, Norton, Robert E. and Gassiep, Ian (2023). The effect of climate on melioidosis incidence in Townsville, Australia: a dry tropical region. Environmental Health and Preventive Medicine, 28 22-00177, 1-6. doi: 10.1265/ehpm.22-00177
Isler, Burcu, Paterson, David L., Harris, Patrick N. A., Ling, Weiping, Edwards, Felicity, Rickard, Claire M., Kidd, Timothy J., Gassiep, Ian and Laupland, Kevin B. (2022). Achromobacter species: an emerging cause of community-onset bloodstream infections. Microorganisms, 10 (7) 1449, 1-9. doi: 10.3390/microorganisms10071449
Burnard, Delaney, Bauer, Michelle J., Falconer, Caitlin, Gassiep, Ian, Norton, Robert E., Paterson, David L. and Harris, Patrick NA (2022). Clinical Burkholderia pseudomallei isolates from north Queensland carry diverse bimABm genes that are associated with central nervous system disease and are phylogenomically distinct from other Australian strains. PLoS Neglected Tropical Diseases, 16 (6) e0009482, 1-12. doi: 10.1371/journal.pntd.0009482
Gassiep, Ian, Bauer, Michelle J., Harris, Patrick N. A. and Norton, Robert (2022). Speed and safety of mass spectrometry for identification of Burkholderia pseudomallei directly from spiked blood cultures. Journal of Medical Microbiology, 71 (4) 001521. doi: 10.1099/jmm.0.001521
Gassiep, Ian, Bauer, Michelle J., Page, Melissa, Harris, Patrick N. A. and Norton, Robert (2022). Comparative evaluation of Panther Fusion and real-time PCR for detection of Burkholderia pseudomallei in spiked human blood. Access Microbiology, 4 (3) 000333, 1-6. doi: 10.1099/acmi.0.000333
Gassiep, Ian, Ganeshalingam, Vibooshini, Chatfield, Mark D., Harris, Patrick N A and Norton, Robert E. (2022). Melioidosis: laboratory investigations and association with patient outcomes. The American Journal of Tropical Medicine and Hygiene, 106 (1), 54-59. doi: 10.4269/ajtmh.21-0548
Watthanaworawit, Wanitda, Roberts, Tamalee, Hopkins, Jill, Gassiep, Ian, Norton, Robert, Robinson, Matthew T., Silisouk, Joy, Sar, Poda, Sao, Sena, Amornchai, Premjit, Limmathurotsakul, Direk, Wuthiekanun, Vanaporn, Nosten, Francois, Simpson, Andrew J. H., Turner, Paul and Ling, Clare L. (2021). A multi-country study using MALDI-TOF mass spectrometry for rapid identification of Burkholderia pseudomallei. BMC Microbiology, 21 (1) 213, 1-9. doi: 10.1186/s12866-021-02276-1
Gassiep, Ian, Ganeshalingam, Vibooshini, Chatfield, Mark D., Harris, Patrick N. A. and Norton, Robert E. (2021). The epidemiology of melioidosis in Townsville, Australia. Transactions of The Royal Society of Tropical Medicine and Hygiene, 116 (4), 328-335. doi: 10.1093/trstmh/trab125
Gassiep, Ian, Bauer, Michelle J., Harris, Patrick N. A., Chatfield, Mark D. and Norton, Robert (2021). Laboratory safety: handling B. pseudomallei isolates without a biosafety cabinet. Journal of Clinical Microbiology, 59 (7) e0042421, 1-6. doi: 10.1128/jcm.00424-21
Gassiep, Ian, Burnard, Delaney, Bauer, Michelle J., Norton, Robert E. and Harris, Patrick N. (2021). Diagnosis of melioidosis: the role of molecular techniques. Future Microbiology, 16 (4) fmb-2020-0202, 271-288. doi: 10.2217/fmb-2020-0202
Burnard, Delaney, Robertson, Gemma, Henderson, Andrew, Falconer, Caitlin, Bauer, Michelle J., Cottrell, Kyra, Gassiep, Ian, Norton, Robert, Paterson, David L. and Harris, Patrick N. A. (2021). Burkholderia pseudomallei clinical isolates are highly susceptible in vitro to cefiderocol, a siderophore cephalosporin. Antimicrobial Agents and Chemotherapy, 65 (2) e00685-20. doi: 10.1128/aac.00685-20
Gassiep, I., Armstrong, M. and Norton, R. (2020). Human melioidosis. Clinical Microbiology Reviews, 33 (2) e00006-19. doi: 10.1128/CMR.00006-19
Gassiep, Ian, Bachmeier, Caroline, Hendry, Stephanie, Emeto, Theophilus, Armstrong, Mark, Sangla, Kunwarjit and Heather, Christopher S. (2020). Antimicrobial stewardship in diabetic ketoacidosis: a single-centre experience. Internal Medicine Journal, 50 (2), 173-177. doi: 10.1111/imj.14335
Gassiep, Ian, Armstrong, Mark, Heather, Christopher S. and Norton, Robert E. (2019). Utility of the Legionella urinary antigen. Internal Medicine Journal, 49 (8), 1050-1051. doi: 10.1111/imj.14381
Gassiep, I., Armstrong, M. and Norton, R. E. (2019). Identification of Burkholderia pseudomallei by use of the vitek mass spectrometer. Journal of Clinical Microbiology, 57 (5) e00081-19. doi: 10.1128/jcm.00081-19
Gassiep, Ian, Aye, Chaw, Armstrong, Mark, Emeto, Theophilus I., Heather, Christopher S. and Norton, Robert E. (2018). Correlation between serum cryptococcal antigen titre and meningitis in immunocompetent patients. Journal of Medical Microbiology, 67 (10) 000830, 1515-1518. doi: 10.1099/jmm.0.000830
Gassiep, Ian, Douglas, Joel, Emeto, Theophilus I., Crawley, Katherine and Playford, Elliott G. (2018). Cryptococcal infections over a 15 year period at a tertiary facility & impact of guideline management. Mycoses, 61 (9), 633-638. doi: 10.1111/myc.12783
Brischetto, Anna, Gassiep, Ian, Whiley, David and Norton, Robert (2018). Retrospective review of Treponema pallidum PCR and serology results: Are both tests necessary?. Journal of Clinical Microbiology, 56 (5) e01782-17, e01782-17. doi: 10.1128/JCM.01782-17
Gassiep, Ian, Gore, Letitia, Dale, Joanne L. and Playford, E. Geoffrey (2017). Ureaplasma urealyticum necrotizing soft tissue infection. Journal of Infection and Chemotherapy, 23 (12), 830-832. doi: 10.1016/j.jiac.2017.07.007
Gassiep, Ian, Gilpin, Bradley, Douglas, Joel and Siebert, David (2017). Gonococcal Prosthetic Joint Infection. Journal of Bone and Joint Infection, 2 (3), 160-162. doi: 10.7150/jbji.20791
Gassiep, Ian, McDougall, David, Douglas, Joel, Francis, Ross and Playford, Elliott G. (2017). Cryptococcal infections in solid organ transplant recipients over a 15-year period at a state transplant center. Transplant Infectious Disease, 19 (1) e12639, e12639. doi: 10.1111/tid.12639
Gassiep, I., Douglas, J. and Playford, E. G. (2016). First report of monomicrobial Candida parapsilosis necrotizing fasciitis. Transplant Infectious Disease, 18 (5), 752-755. doi: 10.1111/tid.12571
Gassiep, Ian, Clark, Paul J., McManus, Don P. and Looke, David L. (2016). Hepatobiliary and pancreatic: acute hepatitis in the setting of chronic Schistosoma mansoni infection and post-praziquantel therapy. Journal of Gastroenterology and Hepatology, 31 (5), 910-910. doi: 10.1111/jgh.13239
Gassiep, Ian, Armstrong, Mark, Van Havre, Zoe, Schlebusch, Sanmarie, McCormack, Joseph and Griffin, Paul (2015). Acute vancomycin-resistant enterococcal bacteraemia outbreak analysis in haematology patients: a case-control study. Healthcare Infection, 20 (4), 115-123. doi: 10.1071/HI15013
Gassiep, I. and Chaudhuri, A. (2015). Is there a role for antimicrobial stewardship in bronchiectasis?. Chronic Respiratory Disease, 12 (3), 274-275. doi: 10.1177/1479972315587514
Gassiep, Ian and Griffin, Paul Matthew (2014). Delusions of disseminated fungosis. Case Reports in Infectious Diseases, 2014 (458028), 1-3. doi: 10.1155/2014/458028
Munckhof, Wendy J., Jennison, Amy V., Bates, John R. and Gassiep, Ian (2013). First report of probable neurobrucellosis in Australia. Medical Journal of Australia, 199 (6), 423-425. doi: 10.5694/mja12.11561
Conference Papers
Gassiep, Ian, Burnard, Delaney, Permana, Budi, Bauer, Michelle J., Cuddihy, Thom, Forde, Brian M., Chatfield, Mark D., Ling, Weiping, Mayer-Coverdale, Johanna, Norton, Robert and Harris, Patrick N.A. (2024). The molecular epidemiology of Burkholderia pseudomallei in North Queensland. Pathology Update 2024, Adelaide, VIC, Australia, 1 - 3 March 2024. Oxford, United Kingdom: Elsevier. doi: 10.1016/j.pathol.2023.12.133
Gassiep, Ian, Bauer, Michelle J., Harris, Patrick N.A. and Norton, Robert (2022). Can mass spectrometry be used to identify burkholderia pseudomallei directly from spiked blood cultures?. Pathology Update 2022, Sydney, NSW Australia, 4-6 March 2022. Oxford, United Kingdom: Elsevier. doi: 10.1016/j.pathol.2021.12.274
Gassiep, Ian, Ganeshalingam, Vibooshini, Chatfield, Mark D., Harris, Patrick N.A. and Norton, Robert (2022). Burkholderia pseudomallei serology: Worth the hassle?. RCPA Quality Assurance Programs Presentations, Unknown, Unknown. Oxford, United Kingdom: Elsevier. doi: 10.1016/j.pathol.2021.12.276
Gassiep, Ian, Bauer, Michelle J., Harris, Patrick N. A., Chatfield, Mark D. and Norton, Robert (2021). Laboratory safety: handling B. pseudomallei isolates without a biosafety cabinet. Pathology Update 2021, Online, 2-4 July 2021. Oxford, United Kingdom: Elsevier. doi: 10.1016/j.pathol.2021.06.105
Amoabeng, Phillip, Gassiep, Ian, Vangaveti, Venkat and Norton, Robert E. (2019). The utility of anaerobic blood culture. Pathology Update 2019, Melbourne, VIC Australia, 22-24 February 2019. Oxford, United Kingdom: Elsevier. doi: 10.1016/j.pathol.2018.12.155
Gassiep, Ian, Armstrong, Mark, Heather, Christopher S. and Norton, Robert E. (2019). Utility of the Legionella urinary antigen. Pathology Update 2019, Melbourne, VIC, Australia, 22-24 February 2019. Oxford, United Kingdom: Elsevier. doi: 10.1016/j.pathol.2018.12.394
Armstrong, Mark, Gassiep, Ian and Norton, Robert (2019). Burkholderia pseudomallei – antimicrobial susceptibility testing. towards EUCAST susceptibility criteria. Pathology Update 2019, Melbourne, VIC Australia, 22-24 February 2019. Oxford, United Kingdom: Elsevier. doi: 10.1016/j.pathol.2018.12.388
Thesis
Gassiep, Ian (2024). Burkholderia pseudomallei: towards rapid diagnosis and management. PhD Thesis, Faculty of Medicine, The University of Queensland. doi: 10.14264/22a702f