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Discovery Early Career Researcher Award - Grant ID: DE230100700
Funder
Australian Research Council
Funding Amount
$429,449.00
Summary
A novel bacterial secretion system for applications in nanobiotechnology. This project aims to characterise a new molecular machine, called the S-Pump. Molecular machines drive the complex biology in all cells and are an exciting area of translational research, with broad potential for industrial applications. This project expects to provide fundamental insights into how bacterial S-Pumps contribute to antimicrobial resistance and enhancing food production. Expected outcomes include new tools fo ....A novel bacterial secretion system for applications in nanobiotechnology. This project aims to characterise a new molecular machine, called the S-Pump. Molecular machines drive the complex biology in all cells and are an exciting area of translational research, with broad potential for industrial applications. This project expects to provide fundamental insights into how bacterial S-Pumps contribute to antimicrobial resistance and enhancing food production. Expected outcomes include new tools for molecular machine discovery and identification of ways to adapt molecular machines for biotechnological applications. This work should enhance Australia-UK ties through collaboration, provide benefits toward nanobiotechnology and economic benefits through more efficient food production.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE230101315
Funder
Australian Research Council
Funding Amount
$461,154.00
Summary
The dynamic interplay between the matrix and cell fate in developing heart. Malformations in the developing heart can lead to catastrophic defects and embryonic loss. The valves play a critical role in blood flow regulation and are made of a stratified matrix that is laid down early in development. This project aims to determine how the cellular fate of the early valve cells establish the layered matrix and in turn how the matrix can influence cell fate by utilising a multi-omics approach to ide ....The dynamic interplay between the matrix and cell fate in developing heart. Malformations in the developing heart can lead to catastrophic defects and embryonic loss. The valves play a critical role in blood flow regulation and are made of a stratified matrix that is laid down early in development. This project aims to determine how the cellular fate of the early valve cells establish the layered matrix and in turn how the matrix can influence cell fate by utilising a multi-omics approach to identify unique cell populations and integrate transcriptional and protein changes during matrix disruption. This project expects to generate fundamental knowledge on how matrix structure can influence cell fate in the valves and will advance Australia's knowledge base and research capabilities in developmental biology.Read moreRead less
Neural circuit control of effort under stress . This Project aims to investigate how the ‘decision’ to persist in exerting effort to obtain a reward is encoded in the the brain and affected by stress. This work will generate new knowledge on the neural mechanisms through which stress modifies neural activity to control decision making processes underpinning adaptive behaviours essential for survival. The expected outcomes of this work include enhanced capacity at the interface of behavioural a ....Neural circuit control of effort under stress . This Project aims to investigate how the ‘decision’ to persist in exerting effort to obtain a reward is encoded in the the brain and affected by stress. This work will generate new knowledge on the neural mechanisms through which stress modifies neural activity to control decision making processes underpinning adaptive behaviours essential for survival. The expected outcomes of this work include enhanced capacity at the interface of behavioural and computational neuroscience, that will in turn provide significant benefits through greater insight into brain functions essential for survival, with long ranging implications for performance optimisation and brain-inspired computing. Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE230100356
Funder
Australian Research Council
Funding Amount
$450,241.00
Summary
Bacterial membrane remodelling and the interaction with peptides. This project aims to elucidate the fundamental mechanism of lipid remodelling in Gram-negative outer membrane, which is critical both in preventing noxious compounds and evading host immune defence. For the first time, the complex interplays between bacterial cellular metabolism and membrane remodelling will be defined through systems pharmacology, and the precise membrane-peptide interaction will be examined by computational and ....Bacterial membrane remodelling and the interaction with peptides. This project aims to elucidate the fundamental mechanism of lipid remodelling in Gram-negative outer membrane, which is critical both in preventing noxious compounds and evading host immune defence. For the first time, the complex interplays between bacterial cellular metabolism and membrane remodelling will be defined through systems pharmacology, and the precise membrane-peptide interaction will be examined by computational and biophysical approaches. Novel knowledge will be generated to improve our understanding on how bacteria remodel their outer membrane in response to environmental stress. This will benefit the future design of much-needed antimicrobial strategies including products and technologies to target bacterial membrane. Read moreRead less
Understanding T cell trafficking and function during antigenic interference. Science generally studies antigenic stimulation in isolation, by measuring immunity towards antigens derived from a single pathogen. However, as mammals can harbour more than one infection at any given time, we established a model of antigenic interference using different antigens derived from two unrelated pathogens, influenza A (IAV) and Semliki Forest virus (SFV). Our data show that prior exposure to either IAV or SF ....Understanding T cell trafficking and function during antigenic interference. Science generally studies antigenic stimulation in isolation, by measuring immunity towards antigens derived from a single pathogen. However, as mammals can harbour more than one infection at any given time, we established a model of antigenic interference using different antigens derived from two unrelated pathogens, influenza A (IAV) and Semliki Forest virus (SFV). Our data show that prior exposure to either IAV or SFV greatly perturbs T cell dynamics. This proposal will study, at cellular and molecular levels, T cell trafficking, function and clonal distribution during antigenic interference, thus advance fundamental knowledge on T cell immunity during antigenic competition, and provide a new paradigm on how we research T cell immunity.Read moreRead less
Visualising chromatin changes in 3 dimensions: super to ultra resolution. Packaging of genomic information into the nucleus of a cell necessitates the formation of tightly compacted and highly organized genomic structures within the nucleus, a configuration that is inherently repressive for gene transcription. Hence, mechanisms that alter the spatial organisation of DNA are critical to enable a variety of genome functions, including DNA transcription. This proposal will utilise novel adaptations ....Visualising chromatin changes in 3 dimensions: super to ultra resolution. Packaging of genomic information into the nucleus of a cell necessitates the formation of tightly compacted and highly organized genomic structures within the nucleus, a configuration that is inherently repressive for gene transcription. Hence, mechanisms that alter the spatial organisation of DNA are critical to enable a variety of genome functions, including DNA transcription. This proposal will utilise novel adaptations of super resolution microscopy to visualise in 3 dimensions how changes in chromatin modifications impact genome spatial organisation within the nucleus, and how this then links to cellular differentiation. This will provide a picture of how spatial organisation within the nucleus supports general cell differentiation.
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Sperm ciliary gating and midpiece formation – a novel player and process. We have identified CCDC112 an essential player in mammalian sperm tail development and male fertility. This project aims to define the role of CCDC112 in 1) the formation of the core to the sperm tail, the axoneme, and 2) the packaging of mitochondria into the midpiece. Within this Discovery Project we will define the mechanism(s) of CCDC112 functions and the consequences of its dysfunction. Insights from this grant will b ....Sperm ciliary gating and midpiece formation – a novel player and process. We have identified CCDC112 an essential player in mammalian sperm tail development and male fertility. This project aims to define the role of CCDC112 in 1) the formation of the core to the sperm tail, the axoneme, and 2) the packaging of mitochondria into the midpiece. Within this Discovery Project we will define the mechanism(s) of CCDC112 functions and the consequences of its dysfunction. Insights from this grant will be of significance to fertility across mammals and may ultimately benefit the selection of highly fertile males within the agricultural sector.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE240100950
Funder
Australian Research Council
Funding Amount
$459,051.00
Summary
Identifying hypothalamic circuits that integrate stress and metabolism. This project aims to investigate how the brain integrates threat during hunger. Using cutting-edge technology to manipulate and record neural activity this project will elucidate the brain circuits that integrate threat and appetite to minimize stress exposure during foraging. This will expand our knowledge on how the brain perceives and responds to hunger and may provide relevant information for a large number of basic biol ....Identifying hypothalamic circuits that integrate stress and metabolism. This project aims to investigate how the brain integrates threat during hunger. Using cutting-edge technology to manipulate and record neural activity this project will elucidate the brain circuits that integrate threat and appetite to minimize stress exposure during foraging. This will expand our knowledge on how the brain perceives and responds to hunger and may provide relevant information for a large number of basic biological processes controlling the brain. Expected outcomes of this project will contribute to a better understanding of the circuitry controlling more complex decisions from food selection through to social interactions. This should provide significant benefits for Australia’s competitiveness within neuroscience research.Read moreRead less
Transforming museum industry to cryopreserve Australia’s diverse wildlife. This project aspires to develop methods for collecting, culturing and cryopreserving cells from wildlife in line with museum industry practice. The project expects to generate new knowledge about the collection of live cells from animals under field conditions and their long-term maintenance in museum collections. Expected outcomes of the project include enhanced capacity of museums to build live cell collections and to s ....Transforming museum industry to cryopreserve Australia’s diverse wildlife. This project aspires to develop methods for collecting, culturing and cryopreserving cells from wildlife in line with museum industry practice. The project expects to generate new knowledge about the collection of live cells from animals under field conditions and their long-term maintenance in museum collections. Expected outcomes of the project include enhanced capacity of museums to build live cell collections and to support and collaborate with cellular biologists. Growth of live cell collections in Australian museums will fuel innovation in cellular technologies, advance fundamental biological knowledge, and shift museums from the role of documenting losses of genetic variation to preserving that genetic variation in living form.
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All in the family: understanding a new class of bacterial toxins. This project aims to unravel missing molecular details of how a major superfamily of proteins is able to drill holes in cell membranes. Animals, plants, fungi and bacteria all use pore-forming proteins as cell-killing weapons of mass destruction. Despite their lethal nature and their roles in infection and immunity, how these proteins work remains enigmatic. The outcomes could reveal novel mechanisms general to these proteins and ....All in the family: understanding a new class of bacterial toxins. This project aims to unravel missing molecular details of how a major superfamily of proteins is able to drill holes in cell membranes. Animals, plants, fungi and bacteria all use pore-forming proteins as cell-killing weapons of mass destruction. Despite their lethal nature and their roles in infection and immunity, how these proteins work remains enigmatic. The outcomes could reveal novel mechanisms general to these proteins and provide fundamental insights in understanding vital physiological processes across all kingdoms of life. Ultimately, this knowledge may guide the design of artificial protein pores that are selective for specific molecules with applications such as measuring metal ions, sugars, pesticides or pollutants. Read moreRead less