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Sodium homeostasis and the molecular basis for neurotoxin production by bacteria and algae. An understanding of the physiology of saxitoxin-producing microorgansims in response to salt stress is critical for the prevention of toxic blooms and for risk assessment of contaminated water bodies. This is nowhere more relevant than in the depleted and increasingly saline water resources of inland Australia. This project will develop genetic tests to assay for saxitoxin-producers and to monitor toxin p ....Sodium homeostasis and the molecular basis for neurotoxin production by bacteria and algae. An understanding of the physiology of saxitoxin-producing microorgansims in response to salt stress is critical for the prevention of toxic blooms and for risk assessment of contaminated water bodies. This is nowhere more relevant than in the depleted and increasingly saline water resources of inland Australia. This project will develop genetic tests to assay for saxitoxin-producers and to monitor toxin production in response to the environment, representing an easier, more economic and ethical alternative to current tests. The market for this type of predictive test includes environmental, anti-bioterrorism and fishery organisations. These genes will also allow the bioengineering of novel therapeutic drugs based on neuroactive alkaloids.Read moreRead less
Improving the sustainability of Australia's water resources: an effective approach for diagnosing and treating foulants on water recycling membrane filters. By determining ways to diagnose and treat fouling problems we will have effectively solved a critical problem in the water recycling industry. By creating more efficient and sustainable ways of using water, we will transform the effectiveness of a wealth of Australian industries that increasingly rely on the efficient use of water (e.g. mini ....Improving the sustainability of Australia's water resources: an effective approach for diagnosing and treating foulants on water recycling membrane filters. By determining ways to diagnose and treat fouling problems we will have effectively solved a critical problem in the water recycling industry. By creating more efficient and sustainable ways of using water, we will transform the effectiveness of a wealth of Australian industries that increasingly rely on the efficient use of water (e.g. mining, agriculture, textiles, energy). By reducing the demand for water (by effectively recycling it), and the energy requirements (by efficiently recycling it), we will increase national wealth and provide significant social and environmental benefits to all Australians.Read moreRead less
Costs and individual variation in immune function: studies on a long-lived predator in tropical Australia. Enzyme-linked Immunosorbent Assay (ELISA) will be employed to quantify costs and individual variation in antibody response to a non-pathogenic antigen in water pythons (Liasis fuscus). Immune responsiveness is strongly correlated with disease and parasite resistance and has been documented to depend on environmental and genetic factors. All immunized snakes will be known-aged animals (rang ....Costs and individual variation in immune function: studies on a long-lived predator in tropical Australia. Enzyme-linked Immunosorbent Assay (ELISA) will be employed to quantify costs and individual variation in antibody response to a non-pathogenic antigen in water pythons (Liasis fuscus). Immune responsiveness is strongly correlated with disease and parasite resistance and has been documented to depend on environmental and genetic factors. All immunized snakes will be known-aged animals (ranging from 6 months to >20 years), of different nutritional status, known blood and gastro-intestinal parasite load and documented immuno-genetic profiles. This multidisciplinary approach will bring together population ecology, molecular genetics and immunology to elucidate links between these traits and ultimately how they affect python fitness.Read moreRead less