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Personal profile

Research interests

Professor Gibb has made major scientific contributions to the field of applied microbiology. She was first to identify the uncultivable phytoplasma pathogens in Australian crops and first in the world to physically map the genome of these pathogens. She shared this knowledge nationally and internationally and showed these pathogens were associated with several mystery diseases, saving industry millions of dollars. She and her team have also developed novel approaches to track biological and chemical environmental contaminants, some now adopted by government. At Charles Darwin University (CDU), Professor Gibb leads the Environmental Chemistry and Microbiology Unit, and is Director of the Research Institute for Environment and Livelihoods. Her personal scientific output includes 136 refereed papers, over 3,000 citations and a h-index of 32. She has been Chief Investigator on $6M of research projects and in 2006 was awarded the Northern Territory Research and Innovation Tropical Knowledge Award for Research.

Fingerprint Dive into the research topics where Karen Gibb is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

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Phytoplasma Agriculture & Biology
Oecophylla smaragdina Agriculture & Biology
Formicidae Agriculture & Biology
Bacteria Medicine & Life Sciences
Ipomoea batatas Medicine & Life Sciences
papayas Agriculture & Biology
cashew nuts Agriculture & Biology
Hymenoptera Agriculture & Biology

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Research Output 1994 2019

1 Downloads (Pure)

Disease Exposure and Antifungal Bacteria on Skin of Invasive Cane Toads, Australia

Weitzman, C. L., Kaestli, M., Gibb, K., Brown, G. P., Shine, R. & Christian, K., Sep 2019, In : Emerging Infectious Diseases. 25, 9, p. 1770-1771 2 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access

Environmental challenges in a near-pristine mangrove estuary facing rapid urban and industrial development: Darwin Harbour, Northern Australia

Munksgaard, N. C., Hutley, L. B., Metcalfe, K. N., Padovan, A. C., Palmer, C. & Gibb, K. S., Jan 2019, In : Regional Studies in Marine Science. 25, p. 1-15 15 p., 100438.

Research output: Contribution to journalReview articleResearchpeer-review

urban development
harbors (waterways)
industrial development

Microbial diversity and distribution differ between water column and biofilm assemblages in arid-land waterbodies

Kaestli, M., Munksgaard, N., Gibb, K. & Davis, J., Dec 2019, In : Freshwater Science. 38, 4, p. 869-882 14 p.

Research output: Contribution to journalArticleResearchpeer-review

arid lands
water column

New Pond-Indicator bacteria to complement routine monitoring in a Wet/Dry Tropical wastewater stabilization system

Rose, A., Padovan, A., Christian, K., Kaestli, M., McGuinness, K., Tsoukalis, S. & Gibb, K., 19 Nov 2019, In : Water (Switzerland). 11, 11, p. 1-22 22 p., 2422.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
system stabilization
Waste Water
indicator species
55 Downloads (Pure)

Opportunistic pathogens and large microbial diversity detected in source-to-distribution drinking water of three remote communities in Northern Australia

Kaestli, M., O'Donnell, M., Rose, A. M., Webb, J., Mayo, M., Currie, B. & Gibb, K., 5 Sep 2019, In : PLoS Neglected Tropical Diseases. 13, 9, p. 1-23 23 p., e0007672.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Drinking Water
Burkholderia pseudomallei
Water Supply


Assessment of an integrated cashew improvement program, using weaver ants as a major component, in cashew production in Vietnam

Author: Thanh Binh, N., 2010

Supervisor: Christian, K. (Supervisor), Peng, R. (Supervisor) & Gibb, K. (Supervisor)

Student thesis: Doctor of Philosophy (PhD) - CDU


Iron cycling in an acid rock drainage pit (Batman Pit): microbes and mechanism

Author: Javed, W., Mar 2015

Supervisor: Gibb, K. (Supervisor)

Student thesis: Doctor of Philosophy (PhD) - CDU


Polychaeta (Annelida) as biological assessment tools for monitoring marine ecosystem health

Author: Neave, M. J., 2011

Supervisor: Gibb, K. (Supervisor)

Student thesis: Doctor of Philosophy (PhD) - CDU