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A structural investigation into T cell signalling machines. The project aims to understand how receptor recognition events cause intracellular signalling.Membrane-bound receptors, their cognate ligands and the ensuing intracellular activation signal determine cellular fate. The project will explore events central to cellular immunity by examining the T cell signalling machinery. This project will use labelling, crystallographic and cryo-electron microscopy studies, to determine the molecular arc ....A structural investigation into T cell signalling machines. The project aims to understand how receptor recognition events cause intracellular signalling.Membrane-bound receptors, their cognate ligands and the ensuing intracellular activation signal determine cellular fate. The project will explore events central to cellular immunity by examining the T cell signalling machinery. This project will use labelling, crystallographic and cryo-electron microscopy studies, to determine the molecular architecture of the T cell receptor (TCR) CD3 complex, a molecular machine central to T cell signalling. This project should reveal how antigen recognition leads to T cell signal transduction which will create jobs, bring substantial health benefits and improve quality of life for Australians.Read moreRead less
A structural and molecular investigation into the basic mechanism of T cell receptor complex function. Cellular fate is determined by interactions between membrane-bound receptors and their cognate ligands. The basic mechanism of how such receptor-mediated recognition events cause intracellular signalling is poorly understood in most biological systems, including the cellular immune recognition axis. This project will explore events central to cellular immunity by examining the interactions cent ....A structural and molecular investigation into the basic mechanism of T cell receptor complex function. Cellular fate is determined by interactions between membrane-bound receptors and their cognate ligands. The basic mechanism of how such receptor-mediated recognition events cause intracellular signalling is poorly understood in most biological systems, including the cellular immune recognition axis. This project will explore events central to cellular immunity by examining the interactions centred on T-cell receptor complexes. This project will explore the molecular mechanisms underpinning these key receptor-recognition events and relate these observations to T-cell activation. The proposal will shed fundamental insight into Major Histocompatibility Complex restriction, T-cell development and how antigen recognition leads to T-cell signal transduction. Read moreRead less
Understanding mosquito smell system: a new frontier in mosquito control. This project aims to identify and functionally investigate mosquito smell receptors, which are critical in detecting volatile compounds and locating their hosts from a considerable distance away. Mosquitoes display preferences for certain hosts over others, primarily determined by volatile chemicals produced by hosts. This study builds on recently discovered, novel, host-derived volatile compounds, which can elicit robust r ....Understanding mosquito smell system: a new frontier in mosquito control. This project aims to identify and functionally investigate mosquito smell receptors, which are critical in detecting volatile compounds and locating their hosts from a considerable distance away. Mosquitoes display preferences for certain hosts over others, primarily determined by volatile chemicals produced by hosts. This study builds on recently discovered, novel, host-derived volatile compounds, which can elicit robust responses and attractiveness from mosquitoes. Expected outcomes of the project are enhanced understanding of mosquito smell system and behaviours. This could provide significant benefits to how we can fight mosquitoes and mosquito-transmitted diseases in a more efficient and environmentally responsible way.Read moreRead less
A structural and functional investigation into events within the immunological synapse. This project will provide fundamental insight into processes that control infection. Investigating processes central to immunity is important, as it will further the understanding of these critically-important events. Such knowledge will increase Australia's research standing, as well as having the potential to generate novel therapies
Investigating the molecular basis of T-cell receptor cross-reactivity. This project will explore the basis of unexpected immune reactions whereby the immune system mistakes one molecular structure for another, a phenomenon known as cross-reactivity. This project will examine how often this is due to molecular mimicry, potentially explaining why immune T cells sometimes react inappropriately to different agents.