Gina Guzzo

Research Interests

Aboriginal and Torres Strait Islander Health Bioinformatics Genomics Microbiology

Dr Gina Guzzo

NHMRC Grant-Funded Postdoctoral Research Fellow

School of Dentistry

College of Health

Gina is a microbiome scientist and team member in the Indigenous Oral Health Unit (IOHU) at the Australian Research Centre for Population Oral Health (ARCPOH). She completed her PhD in 2022 at the University of Adelaide where she focused on the role of the gut microbiome in inflammatory bowel disease using bioinformatic methods. Gina is passionate about improving health outcomes by understanding the link between microbes of the mouth and body in disease.

Date Position Institution name
2022 - ongoing Postdoctoral researcher University of Adelaide

Date Institution name Country Title
2022 University of Adelaide Australia PhD (Sciences)
2018 University of Adelaide Australia Bachelor of Science (Advanced)

Year Citation
2026 Guzzo, G. L., Kularatna, S., Nath, S., Kapellas, K., Weyrich, L. S., Hedges, J., & Jamieson, L. M. (2026). Costs of Providing Culturally Safe Dental Care for Indigenous People of Australia: A Follow‐Up Intervention Study. Community Dentistry and Oral Epidemiology, 54(3), 361-369.
DOI Scopus2 WoS2 Europe PMC2
2026 Nath, S., Groundwater, J., Aiyar, R., Hedges, J., Guzzo, G., Kapellas, K., . . . Jamieson, L. (2026). Psychosocial Impact of Dental Aesthetics Among Aboriginal and Torres Strait Islanders: Mixed‑Methods Study Using Psychosocial Impact of a Dental Aesthetics Questionnaire. International Dental Journal, 76(1), 109339-1-109339-11.
DOI Scopus1 WoS3 Europe PMC2
2026 Nath, S., Aiyar, R., Groundwater, J., Hedges, J., Guzzo, G. L., Kapellas, K., . . . Jamieson, L. (2026). Aboriginal and Torres Strait Islander Peoples' Experiences With Culturally Safe Dental Research: A Qualitative Exploration. Community Dentistry and Oral Epidemiology, 1-9.
DOI Scopus1 Europe PMC1
2026 Aiyar, R., Nath, S., Hedges, J., Guzzo, G. L., Kapellas, K., Pham, A., . . . Jamieson, L. M. (2026). The Oral Health and Well-Being Experiences of Indigenous South Australians: A Qualitative Study. Medical Journal of Australia, 224(5), e70207-1-e70207-9.
DOI
2025 Aiyar, R., Nath, S., Hedges, J., Guzzo, G. L., Kapellas, K., Flanagan, E., . . . Jamieson, L. (2025). Indigenous Australians' Oral Health Care Experiences: Recommendations for Culturally Safe Dental Care. JDR Clinical and Translational Research, 1-13.
DOI Scopus3 WoS2 Europe PMC2
2025 Nath, S., Weyrich, L. S., Guzzo, G., Hedges, J., Tamrakar, M., Kapellas, K., & Jamieson, L. (2025). The sociobiome-oral microbiome mediates dental caries among Indigenous Australians. Frontiers in Cellular and Infection Microbiology, 15, 1721183-1-1721183-11.
DOI Scopus1 WoS2 Europe PMC1
2022 Guzzo, G. L., Andrews, J. M., & Weyrich, L. S. (2022). The Neglected Gut Microbiome: Fungi, Protozoa, and Bacteriophages in Inflammatory Bowel Disease.. Inflamm Bowel Dis, 28(7), 1112-1122.
DOI Scopus46 WoS41 Europe PMC37
2022 Guzzo, G. L., Mittinty, M. N., Llamas, B., Andrews, J. M., & Weyrich, L. S. (2022). Individuals with Inflammatory Bowel Disease Have an Altered Gut Microbiome Composition of Fungi and Protozoa. Microorganisms, 10(10), 1910.
DOI Scopus14 WoS11 Europe PMC11

Year Citation
- Guzzo, G. (n.d.). Table S1. Contaminants identified with Decontam with a prevalence score of 0.52 or greater..
DOI
- Guzzo, G. (n.d.). Table S6. Differentially abundant genera in swab samples across year of FMT..
DOI
- Guzzo, G. (n.d.). Chapter 2 - Supplemental Material.docx.
DOI

Year Citation
2026 McCormick, K., Amarasena, N., Guzzo, G., Nath, S., & Jamieson, L. (2026). Cross-Sectional Measures of Periodontal Severity: Distortion from Severity-Dependent Tooth Loss.
DOI
2026 McCormick, K., Guzzo, G., & Amarasena, N. (2026). Estimating Lifetime Periodontal Burden Under Informative Tooth Loss.
DOI
2025 Nath, S., Weyrich, L., Guzzo, G., Hedges, J., Tamrakar, M., Kapellas, K., & Jamieson, L. (2025). The sociobiome–oral microbiome pathway in dental caries among Indigenous Australians.
DOI

Date Role Research Topic Location Program Supervision Type Student Load Student Name
2025 - ongoing Principal Supervisor Assessing the dental treatment needs of Aboriginal and Torres Strait Islander people living in South Australia Adelaide Dental School, The University of Adelaide - Honours Part Time Hyun Seung Lee
2025 - ongoing Co-Supervisor South Australian Indigenous peoples’ experiences of racism in health and dental care. Adelaide Dental School, The University of Adelaide - Honours Part Time Syin Rui Lim
2025 - 2025 Co-Supervisor E-Scooter-Related Facial Trauma in South Australia: A Multi-Year Retrospective Analysis Adelaide Dental School, The University of Adelaide - Honours Full Time Bobby Y Cao

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