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Wolbachia endosymbionts: novel strain dynamics in Australian Drosophila. This project aims to understand Wolbachia infections across Australian Drosophila flies. Wolbachia bacteria that live inside the cells of insects and other invertebrates are widely seen as a promising tool for pest and disease control. This project will assess the population distribution, host phenotypic effects, population dynamics and evolutionary context of multiple Wolbachia infections across Australian Drosophila flies ....Wolbachia endosymbionts: novel strain dynamics in Australian Drosophila. This project aims to understand Wolbachia infections across Australian Drosophila flies. Wolbachia bacteria that live inside the cells of insects and other invertebrates are widely seen as a promising tool for pest and disease control. This project will assess the population distribution, host phenotypic effects, population dynamics and evolutionary context of multiple Wolbachia infections across Australian Drosophila flies. The outcome will include new and novel strains for applied projects, new information on the fate of Wolbachia infections, and new insights into the factors that dictate the fate of Wolbachia infections across populations.Read moreRead less
Addressing hepatitis C-related discrimination in a post-cure world. This project aims to address the legal and policy dimensions of hepatitis C discrimination. Hepatitis C is a major public health challenge linked to profound discrimination, including in law and policy. Treatments introduced in 2016 improved cure rates; optimism about disease elimination is high, but questions remain about discrimination faced by those who are cured. This interdisciplinary project’s goal is to generate new knowl ....Addressing hepatitis C-related discrimination in a post-cure world. This project aims to address the legal and policy dimensions of hepatitis C discrimination. Hepatitis C is a major public health challenge linked to profound discrimination, including in law and policy. Treatments introduced in 2016 improved cure rates; optimism about disease elimination is high, but questions remain about discrimination faced by those who are cured. This interdisciplinary project’s goal is to generate new knowledge about hepatitis C discrimination in a post-cure context, and identify opportunities for legal and policy reform. Expected outcomes of the project include better legal, social and policy outcomes for Australians cured of hepatitis C, significantly benefiting these individuals directly and society more broadly.Read moreRead less
Extracellular vesicles in the pathogenesis of fungal plant disease. Extracellular vesicles (EVs) are small membrane bound sacs that carry information between cells in essentially all organisms. EVs are also produced by bacterial and fungal pathogens and have a crucial role in infection in mammals . We propose that fungal EVs are key players in the establishment of fungal diseases in plants. We have isolated EVs from the cereal pathogen Fusarium graminearum which decreases yield and quality of gr ....Extracellular vesicles in the pathogenesis of fungal plant disease. Extracellular vesicles (EVs) are small membrane bound sacs that carry information between cells in essentially all organisms. EVs are also produced by bacterial and fungal pathogens and have a crucial role in infection in mammals . We propose that fungal EVs are key players in the establishment of fungal diseases in plants. We have isolated EVs from the cereal pathogen Fusarium graminearum which decreases yield and quality of grain in major food crops such as wheat, barley and corn. This project will focus on the cargo that EVs transport through the fungal cell wall and into the plant host and will establish the role of this cargo in disease progression. Ultimately, this knowledge will be used to design new strategies for disease control.Read moreRead less
Lived experiences of treatment for hepatitis C in Australia. This project aims to support uptake of new hepatitis C treatments. With the introduction of new treatments in 2016, the Australian Government adopted the WHO’s goal of eliminating the disease by 2030. While early treatment rates were high, they have since plateaued, with stigma and poor information considered key obstacles. This project will generate new knowledge on treatment decisions and experiences, using a proven qualitative metho ....Lived experiences of treatment for hepatitis C in Australia. This project aims to support uptake of new hepatitis C treatments. With the introduction of new treatments in 2016, the Australian Government adopted the WHO’s goal of eliminating the disease by 2030. While early treatment rates were high, they have since plateaued, with stigma and poor information considered key obstacles. This project will generate new knowledge on treatment decisions and experiences, using a proven qualitative methodology. In doing so, it will produce a website covering personal experiences of treatment, issues in treatment decision-making, and advice on enhancing life on treatment and after. It will tackle hepatitis C-related stigma, and inform and benefit potential treatment users, families and relevant professionals.
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About time; a new biology for the mineralocorticoid receptor . Temporal control of cell function aligns biological pathways with environmental cues and is critical for optimal heath in mammals. This project will shed light on how a hormone receptor, the MR, modulates time keeping of biological clock time in cells. We will bring together cutting edge genetic modals and bioinformatic approaches with a unique set of research models to define the interaction between the MR and the circadian clock a ....About time; a new biology for the mineralocorticoid receptor . Temporal control of cell function aligns biological pathways with environmental cues and is critical for optimal heath in mammals. This project will shed light on how a hormone receptor, the MR, modulates time keeping of biological clock time in cells. We will bring together cutting edge genetic modals and bioinformatic approaches with a unique set of research models to define the interaction between the MR and the circadian clock and its role in the normal biology of the heart. New data will significantly enhance our understanding of the biology of MR and cortisol for the circadian time keeping function in peripheral tissues, and gain a clearer understand how our heart cells adapt to environmental circadian disruptors such as shift work. Read moreRead less
Defining the antiviral effects of Wolbachia in Aedes aegypti mosquitoes. Mosquitoes that carry a bacterium called Wolbachia do not transmit human pathogenic viruses. These mosquitoes are being developed as a biocontrol tool to prevent mosquito-borne diseases. This project aims to define the molecular basis for virus inhibition by Wolbachia. Using unique biological tools including mosquitoes carrying different strains of Wolbachia that do or do not inhibit dengue virus, the project will define ho ....Defining the antiviral effects of Wolbachia in Aedes aegypti mosquitoes. Mosquitoes that carry a bacterium called Wolbachia do not transmit human pathogenic viruses. These mosquitoes are being developed as a biocontrol tool to prevent mosquito-borne diseases. This project aims to define the molecular basis for virus inhibition by Wolbachia. Using unique biological tools including mosquitoes carrying different strains of Wolbachia that do or do not inhibit dengue virus, the project will define how Wolbachia modifies its host to create an antiviral state. The findings will provide insight into how viral pathogens can be suppressed in insect hosts. This may guide future viral disease intervention strategies for diverse areas afflicted by insect-borne viral disease, including human health and agriculture.Read moreRead less
Potential of gene drives to eliminate incursions of Drosophila suzukii. This project aims to test the efficacy and evolutionary stability of different types of gene drives, and model whether gene drives can be used to eliminate incursions of Drosophila suzukii into Australia. It is now possible to use genome editing technology to alter populations of organisms using ‘gene drives’. Multiple strategies have been conceived with a major distinction between those that aim to eliminate populations ver ....Potential of gene drives to eliminate incursions of Drosophila suzukii. This project aims to test the efficacy and evolutionary stability of different types of gene drives, and model whether gene drives can be used to eliminate incursions of Drosophila suzukii into Australia. It is now possible to use genome editing technology to alter populations of organisms using ‘gene drives’. Multiple strategies have been conceived with a major distinction between those that aim to eliminate populations versus those that aim to modify populations. This project will examine these strategies in two fly species, the model, Drosophila melanogaster and the devastating pest of horticulture, Drosophila suzukii. The project expects to assess a gene drive strategy to control the invasive pest that threatens the Australian soft-skinned fruit industries.Read moreRead less
Using genetic Allee effects to manage invasive populations. An invasion can be started with only a small number of individuals, and it is very difficult to reliably detect these individuals. This project aims to develop new genetic technology that can send small founder populations extinct without affecting large populations. This technology removes the problem of having to detect small populations; these small populations will go extinct on their own, without the need for management interventio ....Using genetic Allee effects to manage invasive populations. An invasion can be started with only a small number of individuals, and it is very difficult to reliably detect these individuals. This project aims to develop new genetic technology that can send small founder populations extinct without affecting large populations. This technology removes the problem of having to detect small populations; these small populations will go extinct on their own, without the need for management intervention. This technology could be used to prevent establishment and spread of invasive species and agricultural pests. Through a combination of experimentation and modelling, the project develops this technology and assesses its use in applied problems ranging across environment, agriculture, and health.Read moreRead less
Signalling pathways for sexual differentiation of apicomplexan parasites. This project aims to study the sexual development of apicomplexan parasites, which cause major diseases in humans, livestock and wildlife, including malaria. Only sexually differentiated cells can survive in the mosquito vector and hence this development is essential for the parasite's life-cycle. This project will employ a new approach that separates female from male parasites, thus enabling new information to be gleaned ....Signalling pathways for sexual differentiation of apicomplexan parasites. This project aims to study the sexual development of apicomplexan parasites, which cause major diseases in humans, livestock and wildlife, including malaria. Only sexually differentiated cells can survive in the mosquito vector and hence this development is essential for the parasite's life-cycle. This project will employ a new approach that separates female from male parasites, thus enabling new information to be gleaned about the development of these parasites. The expected outcomes are an understanding of the mechanisms of sexual differentiation and a functional characterisation of novel sex-specific molecules. This will provide significant benefits, such as pivotal prerequisites for new approaches to parasite intervention.Read moreRead less
Comparative biosecurity informatics to anticipate invasive species threats. Invasive species cause billions in economic damages to Australia, but we do not have effective means to identify dangerous species before they arrive and cause harm. This project aims to overcome this challenge using the latest techniques in machine learning combined with genetic, ecological, and functional datasets for thousands of species. This project expects to generate a novel framework that allows us to identify an ....Comparative biosecurity informatics to anticipate invasive species threats. Invasive species cause billions in economic damages to Australia, but we do not have effective means to identify dangerous species before they arrive and cause harm. This project aims to overcome this challenge using the latest techniques in machine learning combined with genetic, ecological, and functional datasets for thousands of species. This project expects to generate a novel framework that allows us to identify and rank dangerous invasive species in an unbiased way, helping to safeguard Australia's unique biological community. Expected outcomes include improved methods for detecting ecologically and functionally similar species, providing substantial economic efficiency benefits to Australian biosecurity.Read moreRead less