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Special Research Initiatives - Grant ID: SR0354588
Funder
Australian Research Council
Funding Amount
$10,000.00
Summary
Integrated Nanoscale Biosystems Network (INBN). The INBN will integrate high-priority research, already identified by the ARC, in materials nanoscience and engineering with nanoscale biology. The INBN will provide the means to consolidate world-class multidisciplinary Australian research groups in existing Centres of Excellence, including several Federation Fellows, into a nanobiotechnology focus. The significant outcomes of INBN are the critical mass of outstanding researchers in the nanobiosci ....Integrated Nanoscale Biosystems Network (INBN). The INBN will integrate high-priority research, already identified by the ARC, in materials nanoscience and engineering with nanoscale biology. The INBN will provide the means to consolidate world-class multidisciplinary Australian research groups in existing Centres of Excellence, including several Federation Fellows, into a nanobiotechnology focus. The significant outcomes of INBN are the critical mass of outstanding researchers in the nanobiosciences, facilitation of innovative research to produce novel intellectual property and provision of pathways into collaborative research with international scientists and industry, and the training and development of the next generation scientists for this emerging discipline.
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Understanding the molecular mechanism of force generation in the bacterial flagellar motor. The proposed research will advance the knowledge about how the bacterial flagellar motor works, enabling scientists to learn more about nature's blueprint of a nanoscale engine. It will address the fundamental question of how bacterial cells convert electrochemical energy into mechanical energy of rotation. At present, the smallest artificial electric motor is still on a micro-, rather than nanoscale. Nan ....Understanding the molecular mechanism of force generation in the bacterial flagellar motor. The proposed research will advance the knowledge about how the bacterial flagellar motor works, enabling scientists to learn more about nature's blueprint of a nanoscale engine. It will address the fundamental question of how bacterial cells convert electrochemical energy into mechanical energy of rotation. At present, the smallest artificial electric motor is still on a micro-, rather than nanoscale. Nanotechnology would therefore benefit from this work by basing their designs on the principles behind the mechanism of the bacterial motor. This research is also of interest for veterinary science, as motility by flagellar motor is a key virulence factor of common animal pathogens associated with, for example, listeriosis and gastroenteritis.Read moreRead less
Tail-anchored membrane proteins: prediction, targeting, assembly and function. Using computer-based searches of genome sequence data, we now have a complete list of tail-anchored membrane proteins in the yeast Saccharomyces cerevisiae. These include a number of essential proteins, such as SNAREs and TOM proteins responsible for building cellular membranes in all organisms, including man. Of the additional protein sequences discovered in the search, 8 represent proteins of known function while 19 ....Tail-anchored membrane proteins: prediction, targeting, assembly and function. Using computer-based searches of genome sequence data, we now have a complete list of tail-anchored membrane proteins in the yeast Saccharomyces cerevisiae. These include a number of essential proteins, such as SNAREs and TOM proteins responsible for building cellular membranes in all organisms, including man. Of the additional protein sequences discovered in the search, 8 represent proteins of known function while 19 are novel. We propose to study the subcellular location of these 19 novel proteins, and solve how they are targeted to and inserted in membranes. We will also investigate the function of the newly-discovered proteins.Read moreRead less
Assessing the physiological roles of ubiquitination in regulating neuronal ion channels, receptors and transporters. Significant alterations in the activity neuronal transporters and receptors occur during tissue injury and regeneration as well as in many neurodegenerative disease states. Modulation of the pathways that control these transporters is an emerging therapeutic target, however, the molecular basis of these control mechanisms remain poorly understood. The outcome of this project will ....Assessing the physiological roles of ubiquitination in regulating neuronal ion channels, receptors and transporters. Significant alterations in the activity neuronal transporters and receptors occur during tissue injury and regeneration as well as in many neurodegenerative disease states. Modulation of the pathways that control these transporters is an emerging therapeutic target, however, the molecular basis of these control mechanisms remain poorly understood. The outcome of this project will be a thorough characterisation of a novel regulatory paradigm in neurons that is likely to be crucial for neuronal development and regeneration, and will potentially provide novel therapeutic targets for various neuronal diseases.Read moreRead less
The functional organisation of the trans-Golgi network: From cultured cells to physiological systems. This research will result in a better understanding of the secretory pathway of all eukaryotic cells, a process of broad biological and biomedical significance. It will impact on cell biology in the broadest sense, from membrane biogenesis to lipid domain organization, as well as membrane transport, protein structure and protein targeting. Furthermore, this work will utilize and develop fronti ....The functional organisation of the trans-Golgi network: From cultured cells to physiological systems. This research will result in a better understanding of the secretory pathway of all eukaryotic cells, a process of broad biological and biomedical significance. It will impact on cell biology in the broadest sense, from membrane biogenesis to lipid domain organization, as well as membrane transport, protein structure and protein targeting. Furthermore, this work will utilize and develop frontier technologies of live cell imaging and RNA interference as a genetic tool to investigate functions of a protein family. By training post-graduate students and post-doctoral staff, it will contribute to the expertise of cell biology in Australia. International collaborations will enhance connections between Australia and overseas research.Read moreRead less
Transporting proteins to and within mitochondria. Mitochondria are found in all of our cells and are essential for life. They act like a nuclear power plant, providing the bulk of energy - but they can also kill the cell if the mitochondrial wall (membrane) is opened. Mitochondria contain about 1000 different proteins to function properly but almost all of them are made outside the compartment and must squeeze in through narrow membrane channels. This project will provide new insights into how p ....Transporting proteins to and within mitochondria. Mitochondria are found in all of our cells and are essential for life. They act like a nuclear power plant, providing the bulk of energy - but they can also kill the cell if the mitochondrial wall (membrane) is opened. Mitochondria contain about 1000 different proteins to function properly but almost all of them are made outside the compartment and must squeeze in through narrow membrane channels. This project will provide new insights into how proteins get into mitochondria and what factors help in this process. Besides providing new information about a process that is essential for life, the project will train students in molecular cellular biology techniques and will help foster strong international collaborations.Read moreRead less
Oxidative stress-induced alterations of the host erythrocyte by the malaria parasite. The malaria parasite spends part of its lifecycle inside the red blood cells of its host. During this time, the parasite modifies many of the features of the red blood cell and subjects it to high levels of oxidative stress. We will use and develop a variety of fluorescence and microscopic techniques to understand the molecular basis of the alterations in the organization of membrane proteins in malaria parasit ....Oxidative stress-induced alterations of the host erythrocyte by the malaria parasite. The malaria parasite spends part of its lifecycle inside the red blood cells of its host. During this time, the parasite modifies many of the features of the red blood cell and subjects it to high levels of oxidative stress. We will use and develop a variety of fluorescence and microscopic techniques to understand the molecular basis of the alterations in the organization of membrane proteins in malaria parasite-infected red blood cells. We will examine the roles of oxidative stress and of parasite proteins in modulating the properties of the host cell membrane.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0226463
Funder
Australian Research Council
Funding Amount
$160,000.00
Summary
Fluorescence Lifetime Imaging Facility. The aim of this proposal is to establish the first fluorescence lifetime imaging facility (FLIM) in Australia. The imaging technique provided by the new facility when combined with the use of novel fluorescent protein technology will enable many different events, represented by protein-protein interactions, to be non-invasively, visualised spatially and temporally inside the living cell. The new facility will provide timely state-of -the-art infrastructu ....Fluorescence Lifetime Imaging Facility. The aim of this proposal is to establish the first fluorescence lifetime imaging facility (FLIM) in Australia. The imaging technique provided by the new facility when combined with the use of novel fluorescent protein technology will enable many different events, represented by protein-protein interactions, to be non-invasively, visualised spatially and temporally inside the living cell. The new facility will provide timely state-of -the-art infrastructure necessary for research groups to further develop and maintain their international reputations, will build stronger research collaborations between partner institutions and will attract researchers from overseas.Read moreRead less
Alpha-Conotoxins: Selective Probes For Nicotinic Receptor Subtype Structure And Function. Marine snails from the waters off the Australian coast produce an amazing variety of mini-proteins in their venoms called conotoxins that they use to capture prey. These conotoxins bind very specifically to receptors in our body associated with the transmission of nerve signals. We will use natural and synthetically modified conotoxins to selectively block particular types of neuronal 'receptors' to gain a ....Alpha-Conotoxins: Selective Probes For Nicotinic Receptor Subtype Structure And Function. Marine snails from the waters off the Australian coast produce an amazing variety of mini-proteins in their venoms called conotoxins that they use to capture prey. These conotoxins bind very specifically to receptors in our body associated with the transmission of nerve signals. We will use natural and synthetically modified conotoxins to selectively block particular types of neuronal 'receptors' to gain a greater understanding of how the nervous system functions. This knowledge will help in the design of new drugs to treat a variety of diseases and disorders. Essentially we will use a chemical armoury developed by the cone snail to design state-of-the-art mini-protein drugs.Read moreRead less
New modulators of voltage-gated sodium channel subtypes from Australian Tarantula venoms. The venoms of Australian tarantula spiders provide a unique and untapped source of bioactive molecules. From a large stock of venom, and in collaboration with Australian pharmaceutical company Xenome, we will develop a comprehensive library of venom components suitable for drug screening. Potential national benefits from this work include a huge reduction in the healthcare bill deriving from a new treatmen ....New modulators of voltage-gated sodium channel subtypes from Australian Tarantula venoms. The venoms of Australian tarantula spiders provide a unique and untapped source of bioactive molecules. From a large stock of venom, and in collaboration with Australian pharmaceutical company Xenome, we will develop a comprehensive library of venom components suitable for drug screening. Potential national benefits from this work include a huge reduction in the healthcare bill deriving from a new treatment for pain, as well as substantial royalty returns from drugs sales. Discoveries from the program are also likely to lead to an enhancement in Australia's reputation in the neurosciences and to the development of new diagnostic research tools. The major community benefit will be a reduction in the suffering of chronic pain patients.Read moreRead less