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Breaking through the Gram-negative cell barrier. This project aims to develop fundamental knowledge of the cell envelope in Gram-negative bacteria, which functions as a permeability barrier to small molecules. Combining innovative functional genomics with biochemistry, this project will determine how small molecules can pass across the cell envelope, and the chemical properties that they need to do so. Some Gram-negative bacteria are human pathogens and cause serious infections, whereas others a ....Breaking through the Gram-negative cell barrier. This project aims to develop fundamental knowledge of the cell envelope in Gram-negative bacteria, which functions as a permeability barrier to small molecules. Combining innovative functional genomics with biochemistry, this project will determine how small molecules can pass across the cell envelope, and the chemical properties that they need to do so. Some Gram-negative bacteria are human pathogens and cause serious infections, whereas others are used in biotechnology for biosynthetic chemical production or bioremediation. This project expects to help the future development of new antibiotics and assist in the design of strains to be used in biotechnological applications.Read moreRead less
Sensing biomechanical forces in the heart. Mechanosensitive ion channels are key molecules that define how each heart cell interacts with their physical environment. Yet how they enable cells to decode biomechanical cues remains poorly understood. At the heart of this problem is a lack of tools to quantify the force required for activation. This project aims to develop novel technologies to record the activity of these essential channels in a critical cell type within the heart, and use this inf ....Sensing biomechanical forces in the heart. Mechanosensitive ion channels are key molecules that define how each heart cell interacts with their physical environment. Yet how they enable cells to decode biomechanical cues remains poorly understood. At the heart of this problem is a lack of tools to quantify the force required for activation. This project aims to develop novel technologies to record the activity of these essential channels in a critical cell type within the heart, and use this information in addition to micro-engineering approaches to fully understand the role of these channels in force sensing and generation, at both the single cell and micro-tissue levels. This knowledge and technology has broad utility that extends far beyond cardiac biology into multiple fields.Read moreRead less
The molecular basis for efficacy at G protein coupled receptors. This project aims to investigate the molecular steps underlying the relationship between sensing by signal-transmitting proteins on the cell surface called G protein-coupled receptors and cellular response. The project aims to build on studies that have sought to understand the primary, molecular basis for this cellular volume control. This project seeks to use these novel approaches to fill this knowledge gap, providing a deeper u ....The molecular basis for efficacy at G protein coupled receptors. This project aims to investigate the molecular steps underlying the relationship between sensing by signal-transmitting proteins on the cell surface called G protein-coupled receptors and cellular response. The project aims to build on studies that have sought to understand the primary, molecular basis for this cellular volume control. This project seeks to use these novel approaches to fill this knowledge gap, providing a deeper understanding of how physiology and medicines work. The project expects to expand fundamental understanding of signal transmission at this receptor class. This project will deliver benefits including expanded basic knowledge and a contribution to future improvements in drug development.Read moreRead less
New Frontiers in Innate Immunity. This program aims to define how the immune system senses and responds to environmental cues. By combining interdisciplinary approaches with cutting-edge imaging and spatial biology technologies, this program expects to reveal how immune sensor proteins are regulated at the molecular, cellular and tissue level. Outcomes of this program include unparalleled insights into molecular mechanisms that underpin effective functioning of the immune system, training of fut ....New Frontiers in Innate Immunity. This program aims to define how the immune system senses and responds to environmental cues. By combining interdisciplinary approaches with cutting-edge imaging and spatial biology technologies, this program expects to reveal how immune sensor proteins are regulated at the molecular, cellular and tissue level. Outcomes of this program include unparalleled insights into molecular mechanisms that underpin effective functioning of the immune system, training of future scientists, and strengthening international collaborations across academia and industry. This will contribute to a high-quality workforce for research and innovation, and secure Australia’s position at the forefront of immunology research driven by cutting-edge technologies. Read moreRead less
Determining the role of neuronal nicotinic acetylcholine receptor subunits in the development of addictive behaviours. The economic and health burden of substance abuse in Australia exceeds $31.5 billion and there are currently few treatment options. Nicotinic receptors (nAChRs) are a common target for the interaction of alcohol and nicotine in the brain. This project aims to determine the role of nAChRs in the development of addiction to alcohol and nicotine.
The role of human single-stranded binding protein (hSSB1) in DNA damage repair and tumorogenesis. Cancer is a leading cause of disease related death world wide, accounting for over 13% of all deaths in 2007. Approximately 38,000 people died in Australia from cancer in 2005. Cancer results from a single cell losing a vital part of its genetic information, this results in the cell losing its normal programming and initiates a process of rapid growth and multiplication. This research project aims t ....The role of human single-stranded binding protein (hSSB1) in DNA damage repair and tumorogenesis. Cancer is a leading cause of disease related death world wide, accounting for over 13% of all deaths in 2007. Approximately 38,000 people died in Australia from cancer in 2005. Cancer results from a single cell losing a vital part of its genetic information, this results in the cell losing its normal programming and initiates a process of rapid growth and multiplication. This research project aims to look at the mechanisms that exist to prevent this initial loss of genetic material within an individual cell. It further aims to translate theses discoveries into the clinic, providing new tools for diagnosis and prognosis of specific cancers and to establish links with major pharmaceutical companies to develop novel anticancer therapies.Read moreRead less
The ins and outs of HIV biology. This project aims to delineate the fundamental mechanisms that regulate the production of HIV and the ability of HIV to cause AIDS in infected patients. It will utilise state-of-the-art technologies to unearth new clues that govern the biology of HIV, with the ultimate goal to develop novel vaccine and treatment strategies against HIV.
Elucidating the molecular mechanisms of dual function transporter/channels. This project aims to understand how a membrane protein that transports chemical messengers in the brain functions and how it is influenced by the membrane in which it is embedded. Cells from all life forms have a lipid membrane that separates them from their external environment. These membranes contain proteins that control the movements of molecules into and out of cells and are vital for a plethora of physiological pr ....Elucidating the molecular mechanisms of dual function transporter/channels. This project aims to understand how a membrane protein that transports chemical messengers in the brain functions and how it is influenced by the membrane in which it is embedded. Cells from all life forms have a lipid membrane that separates them from their external environment. These membranes contain proteins that control the movements of molecules into and out of cells and are vital for a plethora of physiological processes including cell-to-cell communication. The outcomes of this study will include new knowledge of this process and chemical modifiers of this transport protein. This project will benefit structural biology and biophysics training and may lead to the development of novel compounds that can be used to explore function. Read moreRead less
The natural function and evolution of an essential parasite transporter. This project aims to resolve the natural function and evolution of a transporter essential to the survival of malaria and other parasites. Malaria and its sibling Apicomplexan parasites cause devastating diseases in humans and livestock across the world. Much remains to be understood about these parasites, and options for controlling them are diminishing. The project will interrogate the functions of the transporter protein ....The natural function and evolution of an essential parasite transporter. This project aims to resolve the natural function and evolution of a transporter essential to the survival of malaria and other parasites. Malaria and its sibling Apicomplexan parasites cause devastating diseases in humans and livestock across the world. Much remains to be understood about these parasites, and options for controlling them are diminishing. The project will interrogate the functions of the transporter proteins. The knowledge gained might help to combat Apicomplexan parasites by targeting these transporters’ native functions.Read moreRead less
Investigation of novel mechanisms for the regulation of sperm-oocyte interactions. Through work with national and international collaborators, this project aims to provide unprecedented insights into how spermatozoa recognise and bind to an oocyte. The approach is based on strong preliminary data indicating that molecular chaperones play a key role in the functional remodelling of the spermatozoon by promoting the assembly of multimeric oocyte receptor complexes. Through the use of state-of-the ....Investigation of novel mechanisms for the regulation of sperm-oocyte interactions. Through work with national and international collaborators, this project aims to provide unprecedented insights into how spermatozoa recognise and bind to an oocyte. The approach is based on strong preliminary data indicating that molecular chaperones play a key role in the functional remodelling of the spermatozoon by promoting the assembly of multimeric oocyte receptor complexes. Through the use of state-of-the-art cell biology and proteomic technologies, the project aims to investigate how molecular chaperones orchestrate these changes and in doing so, improve understanding of the fertilisation cascade and open up new contraceptive strategies.Read moreRead less