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Linking individual traits, the gut microbiome and parasite load in wildlife. This project aims to apply principles of community ecology to the gut microbiome of an urban exploiter – the common brushtail possum - to reveal how animal traits influence individual variation in the load of gut parasites that cause disease in both humans and wildlife. By combining assays defining the behavioural and physiological states of individuals with sophisticated analyses of their gut microbiome, our project wi ....Linking individual traits, the gut microbiome and parasite load in wildlife. This project aims to apply principles of community ecology to the gut microbiome of an urban exploiter – the common brushtail possum - to reveal how animal traits influence individual variation in the load of gut parasites that cause disease in both humans and wildlife. By combining assays defining the behavioural and physiological states of individuals with sophisticated analyses of their gut microbiome, our project will provide a new, yet crucial, perspective on how and why diseases spread. Our discoveries will help understand and manage the burden of infectious diseases from parasites in and beyond our cities and across the human-wildlife interface; essential for improving human and wildlife health in an increasingly urbanised Australia.Read moreRead less
The ecological dynamics of secreted bacteriocins and the evolution of multiple bacteriocin production in Escherichia coli. Bacteria produce compounds known as bacteriocins that are toxic to other microorganisms. The success of bacteria as bio-control agents and in probiotic formulations for the control microbial pathogens is, in part, due to bacteriocins. Bacteriocins may also have a role as replacements for traditional antibiotics and as natural food preservatives. The potential usefulness of b ....The ecological dynamics of secreted bacteriocins and the evolution of multiple bacteriocin production in Escherichia coli. Bacteria produce compounds known as bacteriocins that are toxic to other microorganisms. The success of bacteria as bio-control agents and in probiotic formulations for the control microbial pathogens is, in part, due to bacteriocins. Bacteriocins may also have a role as replacements for traditional antibiotics and as natural food preservatives. The potential usefulness of bacteriocins as the active agent in bio-control agents, as antibiotic replacements, as food preservatives, and as part of the repertoire of traits in probiotic formulations requires a sound understanding of the eco-evolutionary dynamics of bacteriocins. Understanding the ecology and evolution of bacteriocins is the goal of the proposed research.Read moreRead less
The biology of arbovirus virulence and fitness in arthropod and vertebrate hosts in vivo. In Australia, Ross River virus (RRV) represents significant concern to human health. Between 1992-2005 more than 50,000 notifications of RRV infection have been reported. While not fatal, the disease is responsible for morbidity in the community/individual that can have both social and economic costs. The project has several national benefits. It will help elucidate whether there is any association between ....The biology of arbovirus virulence and fitness in arthropod and vertebrate hosts in vivo. In Australia, Ross River virus (RRV) represents significant concern to human health. Between 1992-2005 more than 50,000 notifications of RRV infection have been reported. While not fatal, the disease is responsible for morbidity in the community/individual that can have both social and economic costs. The project has several national benefits. It will help elucidate whether there is any association between RRV strain and increased risk of RRV transmission and/or occurrence of more severe cases of human disease. It will help develop technologies that can lead towards the identification of viral markers, which could provide new avenues in the design of novel antiviral strategies.
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