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Identifying novel salinity tolerance mechanisms by spatial and temporal analysis of lipids in barley. Agrifood production faces the dual challenges of an increasing world population and the threats of abiotic stresses arising from climate change and the erosion of arable land. Cereals, the major food crops, are poorly adapted to tolerate most abiotic stresses, including salinity. This project applies new technologies investigating spatial and temporal biochemical mechanisms a model cereal, Horde ....Identifying novel salinity tolerance mechanisms by spatial and temporal analysis of lipids in barley. Agrifood production faces the dual challenges of an increasing world population and the threats of abiotic stresses arising from climate change and the erosion of arable land. Cereals, the major food crops, are poorly adapted to tolerate most abiotic stresses, including salinity. This project applies new technologies investigating spatial and temporal biochemical mechanisms a model cereal, Hordeum vulgare (barley), utilises to adapt and tolerate salinity. The aims are to investigate the role of specifically plasma membrane lipids modulating either signalling pathways or membrane fluidity that impacts on adaptation during salinity. The results will provide new leads for the development of cereal germplasm with increased salt tolerance.Read moreRead less
Structural studies of host-pathogen interactions. The host-pathogen interface represents a major frontier for biomedical and biotechnological applications. This project aims to understand at the atomic level two such interfaces. In the first instance, the project will elucidate the molecular basis for inhibition of premature host cell death by poxviruses, in particular vaccinia and variola virus, the causative agent of smallpox. In the second instance, the aim is to understand how defensins, a ....Structural studies of host-pathogen interactions. The host-pathogen interface represents a major frontier for biomedical and biotechnological applications. This project aims to understand at the atomic level two such interfaces. In the first instance, the project will elucidate the molecular basis for inhibition of premature host cell death by poxviruses, in particular vaccinia and variola virus, the causative agent of smallpox. In the second instance, the aim is to understand how defensins, a major class of host defence molecules, recognise microbial targets such as fungi, and exert a potent antimicrobial effect. Understanding the precise molecular mechanisms operating at both these host-pathogen interfaces this will provide novel avenues for the design of antiviral and antimicrobial agents.Read moreRead less
Defining pathways that establish and maintain reproductive cell identity in plant ovules and seeds. Unlike animals, individual somatic cells in plants have the remarkable ability to regenerate into new plants, depending on the signals they perceive. This developmental plasticity is particularly important during normal plant growth, when mature cells adopt new identities within multicellular environments. Tissue complexity is critical for the utilisation of plants in society as food, fuel and fib ....Defining pathways that establish and maintain reproductive cell identity in plant ovules and seeds. Unlike animals, individual somatic cells in plants have the remarkable ability to regenerate into new plants, depending on the signals they perceive. This developmental plasticity is particularly important during normal plant growth, when mature cells adopt new identities within multicellular environments. Tissue complexity is critical for the utilisation of plants in society as food, fuel and fibre, but how and why plant cells adopt or change identity has been difficult to determine. This project aims to employ next-generation molecular methods to identify pathways driving differentiation of specific ovule and seed cell-types, which directly impact crop quality, yield and end-use.Read moreRead less
Genetics, genomics and evolution of flowering time control in legumes. Flowering in plants is strongly regulated by environmental factors, with important consequences for their natural distribution and use in agriculture. This project will characterise genes, genetic diversity and molecular mechanisms that control flowering in legumes, contributing to fundamental biology, crop improvement and research training.
The identification of Mycosphaerella graminicola effectors that promote pathogenicity on wheat. Fungal diseases are one of the greatest challenges to sustainable wheat production in the 21st century. Septoria tritici blotch is one such disease as it inflicts millions of tonnes in yield losses per annum. This project will identify the molecular basis of Septoria tritici blotch and assess its potential as an Australian biosecurity threat.
Decoding the signals in legume symbioses: investigating the role of plant hormones. Plants form intimate relationships with soil microbes that give plants access to previously unavailable but essential nutrients. Legumes are major Australian crops for fodder, grain and nutrients, and are unique in forming symbioses with both nitrogen-fixing bacteria and with mycorrhizal fungi that supply nutrients such as phosphate. This project aims to determine the role of plant hormones (small, mobile, potent ....Decoding the signals in legume symbioses: investigating the role of plant hormones. Plants form intimate relationships with soil microbes that give plants access to previously unavailable but essential nutrients. Legumes are major Australian crops for fodder, grain and nutrients, and are unique in forming symbioses with both nitrogen-fixing bacteria and with mycorrhizal fungi that supply nutrients such as phosphate. This project aims to determine the role of plant hormones (small, mobile, potent growth regulators) in the formation of these relationships. In particular, the role of interactions between hormones and other novel plant signals will be determined. An insight into the common and divergent roles of hormones in these symbioses is essential to provide new tools to maximise nutrient acquisition.Read moreRead less
How plants produce their biomass. This project aims to investigate mechanisms that underpin the formation of secondary walls, the bulk of biomass in plant cells. Plant cell walls are essential for plant growth and provide great raw materials for many industrial products. Understanding how cell walls are made would enable tailored plant biomass production, but understanding remains poor. The project will induce secondary walls at will and outline a framework for how secondary walls are made. The ....How plants produce their biomass. This project aims to investigate mechanisms that underpin the formation of secondary walls, the bulk of biomass in plant cells. Plant cell walls are essential for plant growth and provide great raw materials for many industrial products. Understanding how cell walls are made would enable tailored plant biomass production, but understanding remains poor. The project will induce secondary walls at will and outline a framework for how secondary walls are made. The outcomes are expected to be relevant for the fuel, feed, food and construction sectors, and thus to Australia's future.Read moreRead less
Defining the molecular architecture of a lymphocyte-activating receptor complex. A robust immune response requires activation of sentinel T cells. This project will seek to understand the architecture of receptors at the T cell surface that allow these important immune cells to sense the presence of pathogens that react accordingly.
Novel laser isotopic techniques to assess the potential for water-use efficiency improvement of Australian crops. This project aims to develop new methods to reduce the water used by grain crops while maintaining productivity by advancing knowledge of the regulation plant carbon gain and water loss. Novel laser-lased measurement systems developed and applied in this project will provide new mechanistic understanding of plant carbon-water dynamics for individual leaves and at the whole crop scal ....Novel laser isotopic techniques to assess the potential for water-use efficiency improvement of Australian crops. This project aims to develop new methods to reduce the water used by grain crops while maintaining productivity by advancing knowledge of the regulation plant carbon gain and water loss. Novel laser-lased measurement systems developed and applied in this project will provide new mechanistic understanding of plant carbon-water dynamics for individual leaves and at the whole crop scale. Water availability is the most pressing environmental issue facing the Australian grain industry, so improvements in the efficiency with which water is used will have profound economic and environmental effects.Read moreRead less
Structural analysis of poxviruses: advancing our understanding of complex DNA viruses and their in vivo crystals. This project will use innovative structural biology approaches to investigate two key particles of poxviruses, the largest viruses infecting humans. Advance in understanding of immature particles and natural crystals of poxviruses will provide the basis for the development of broad-spectrum antivirals and novel microparticles for vaccine-delivery.