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Geobiological gold cycling: Golden opportunities for the minerals industry. This project aims to develop new geobiological tools for gold exploration and processing that are rooted in a fundamental understanding of geobiological gold cycling. Given the high production costs, the sustainability of the Australian gold industry relies strongly on innovation. Yet, there are many gaps in our fundamental understanding of bio (geo)chemical gold dispersion and precipitation. This project aims to fill th ....Geobiological gold cycling: Golden opportunities for the minerals industry. This project aims to develop new geobiological tools for gold exploration and processing that are rooted in a fundamental understanding of geobiological gold cycling. Given the high production costs, the sustainability of the Australian gold industry relies strongly on innovation. Yet, there are many gaps in our fundamental understanding of bio (geo)chemical gold dispersion and precipitation. This project aims to fill these gaps by linking biochemical pathways of gold mobilisation and resistance in bacteria to its transport and biomineralisation. This would enable the development of protein-based biosensors, bioindicators and nanovectors. These would support the development of exploration and bioaccumulation technologies that allow more economically sustainable and environmentally viable mining practices, such as enhancing production from subeconomic ore.Read moreRead less
Archaeal dark matter and the origin of eukaryotes. This project aims to investigate the highly controversial origin of eukaryotes and thus all multicellular life within Archaea, a domain of single-celled microorganisms. Resolving eukaryotic origins has long been hampered by an inability to cultivate archaea from the environment. This project aims to develop a novel high-throughput single-cell genomics approach to recover archaeal genomes, thus bypassing the cultivation step. The genomes will con ....Archaeal dark matter and the origin of eukaryotes. This project aims to investigate the highly controversial origin of eukaryotes and thus all multicellular life within Archaea, a domain of single-celled microorganisms. Resolving eukaryotic origins has long been hampered by an inability to cultivate archaea from the environment. This project aims to develop a novel high-throughput single-cell genomics approach to recover archaeal genomes, thus bypassing the cultivation step. The genomes will contribute to a comprehensive taxonomic framework which will facilitate the evaluation of evolutionary relationships between the eukaryotic and archaeal domains. This may uncover previously unknown archaea with novel metabolic capabilities.Read moreRead less
Harnessing horizontal gene transfer for sustainable nitrogen fixation. This project aims to investigate natural deoxyribonucleic acid (DNA) transfer from nitrogen-fixing bacteria to indigenous bacteria in Australian soils. This project expects to significantly expand our understanding of the molecular and genetic factors contributing to the evolution of ineffective symbiotic bacteria in these soils. An expected outcome of this project is support development of genetically stable bacterial inocul ....Harnessing horizontal gene transfer for sustainable nitrogen fixation. This project aims to investigate natural deoxyribonucleic acid (DNA) transfer from nitrogen-fixing bacteria to indigenous bacteria in Australian soils. This project expects to significantly expand our understanding of the molecular and genetic factors contributing to the evolution of ineffective symbiotic bacteria in these soils. An expected outcome of this project is support development of genetically stable bacterial inoculants for use in agriculture. Inoculation of legumes with nitrogen-fixing symbiotic bacteria is a cheap and environmentally-friendly alternative to chemical fertilisers and contributes $3-4 billion per annum to Australian economy.Read moreRead less
Atmospheric carbon fixation: a novel microbial process in Antarctic soils. This project aims to challenge our global understanding of carbon fixation. In most ecosystems, phototrophy supports higher-trophic life, yet no genetic evidence for photosynthesis exists in Antarctic desert soils. The project will determine the significance of atmospheric chemotrophy, a microbial driven process based on the consumption of atmospheric gases that it is proposed supports energy maintenance and biomass assim ....Atmospheric carbon fixation: a novel microbial process in Antarctic soils. This project aims to challenge our global understanding of carbon fixation. In most ecosystems, phototrophy supports higher-trophic life, yet no genetic evidence for photosynthesis exists in Antarctic desert soils. The project will determine the significance of atmospheric chemotrophy, a microbial driven process based on the consumption of atmospheric gases that it is proposed supports energy maintenance and biomass assimilation in nutrient-starved Antarctic desert soils. Additionally, the project will establish if these processes are structuring soil microbial communities, particularly in response to climate change. The expected project outcome is knowledge of primary production at the nutritional limits of life. This should provide significant benefit, such as a shift in our knowledge of the biological sciences as a new minimalistic mode of primary production.Read moreRead less
Microbial junk food: developing synthetic platforms for plastic degradation. This project aims to establish the genetic basis of polyethelene biodegradation (PED) by microbes from the gut microbiome of plastic-eating caterpillars. It will transform the active microbial PED genes into carefully designed synthetic microbes for efficient, safe and large-scale PED. The project will combine innovative functional microbial genetic tools and synthetic biology techniques with solid biochemistry and bioi ....Microbial junk food: developing synthetic platforms for plastic degradation. This project aims to establish the genetic basis of polyethelene biodegradation (PED) by microbes from the gut microbiome of plastic-eating caterpillars. It will transform the active microbial PED genes into carefully designed synthetic microbes for efficient, safe and large-scale PED. The project will combine innovative functional microbial genetic tools and synthetic biology techniques with solid biochemistry and bioinformatics to produce translatable synthetic platforms containing key genes optimised for efficient PE waste removal. The outcomes will have the potential to transform the relative ineffective and expensive current methods for PE disposal into flexible, cost-effective and sustainable solutions applicable to multiple sectors.Read moreRead less
Genomic and molecular characterisation of a novel Australian leishmania pathogen. Leishmaniasis is the second most serious protozoal disease after malaria. This project will help characterise the first Leishmania species identified in Australia providing molecular tools to monitor the pathogen and a detailed assessment of any potential risk to human health. Comparative analysis with more pathogenic species will help identify genes and mechanisms that determine the progression of human disease le ....Genomic and molecular characterisation of a novel Australian leishmania pathogen. Leishmaniasis is the second most serious protozoal disease after malaria. This project will help characterise the first Leishmania species identified in Australia providing molecular tools to monitor the pathogen and a detailed assessment of any potential risk to human health. Comparative analysis with more pathogenic species will help identify genes and mechanisms that determine the progression of human disease leading to the potential identification of new drug and vaccine targets. The methodologies and expertise developed will be used will be available to other research groups working on infectious diseases.Read moreRead less
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
Tracking the molecular dynamics of adaptation with horizontal gene transfer. This project aims to track the dynamics of adaptation with gene exchange by building the first experimental evolution model that can directly observe this process. The acquisition of genes from other strains and species (horizontal gene transfer) frequently underlies bacterial adaptation, but it is unknown how this occurs. This project aims to shift understanding of how microbial populations respond to environmental cha ....Tracking the molecular dynamics of adaptation with horizontal gene transfer. This project aims to track the dynamics of adaptation with gene exchange by building the first experimental evolution model that can directly observe this process. The acquisition of genes from other strains and species (horizontal gene transfer) frequently underlies bacterial adaptation, but it is unknown how this occurs. This project aims to shift understanding of how microbial populations respond to environmental challenges. There are significant benefits to be gained from understanding how microbes adapt in response to climate change and the widespread application of antibiotics, given that microbial populations form intimate associations with humans and sustain all of the world’s ecosystems.Read moreRead less
Cell division in archaea. This project aims to reveal how archaeal FtsZ proteins and their spatial regulators control cell division, and develop an archaeal paradigm for cell biology. Archaea, a major group of microorganisms, are one of the three major domains of life on earth. They are diverse and show potential for innovation, but, owing to their relatively recent identification, are poorly understood compared to bacteria and eukaryotes. Expected outcomes are insights into the function of FtsZ ....Cell division in archaea. This project aims to reveal how archaeal FtsZ proteins and their spatial regulators control cell division, and develop an archaeal paradigm for cell biology. Archaea, a major group of microorganisms, are one of the three major domains of life on earth. They are diverse and show potential for innovation, but, owing to their relatively recent identification, are poorly understood compared to bacteria and eukaryotes. Expected outcomes are insights into the function of FtsZ-based cell division in archaea; better understanding of cell structure, function and diversity; and a wide range of cell and molecular biology studies.Read moreRead less
The biology, structure and function of bacterial virulence effectors. This project is closely aligned with the National Research Priority of Promoting and Maintaining Good Health and will establish a research framework to investigate novel virulence processes that allow bacterial pathogens to infect humans and cause disease. This fresh approach to the study of bacterial pathogenesis will sit outside classic genetic methods to investigate infection and immunity which rely heavily on genetic manip ....The biology, structure and function of bacterial virulence effectors. This project is closely aligned with the National Research Priority of Promoting and Maintaining Good Health and will establish a research framework to investigate novel virulence processes that allow bacterial pathogens to infect humans and cause disease. This fresh approach to the study of bacterial pathogenesis will sit outside classic genetic methods to investigate infection and immunity which rely heavily on genetic manipulation of the pathogen. Other than providing fundamental information on host-pathogen interactions, this work may lead to novel disease interventions by inhibition of bacterial virulence factor activity and/or enhancement of host inflammatory and immune responses.Read moreRead less