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The ancient symbiosis of crayfish and temnocephalan flatworms in Australian freshwaters investigated using molecules, morphology and biogeography. Freshwater parastacid crayfish are widespread and diverse in Australia's freshwaters. Associated with them (living on external surfaces) since their origins on Gondwana are very many species of temnocephalan flatworms. We will elucidate the molecular, morphological and biogeographic history of this association which appears to be ancient and specific. ....The ancient symbiosis of crayfish and temnocephalan flatworms in Australian freshwaters investigated using molecules, morphology and biogeography. Freshwater parastacid crayfish are widespread and diverse in Australia's freshwaters. Associated with them (living on external surfaces) since their origins on Gondwana are very many species of temnocephalan flatworms. We will elucidate the molecular, morphological and biogeographic history of this association which appears to be ancient and specific. The study will shed light on Australia's biological links with New Zealand and South America. It will also use the association between crayfish and temnocephalans as a model to investigate general features of symbioses, including molecular and morphological evolutionary responses and phenomena such as host-switching and cospeciation.Read moreRead less
Directed evolution used to probe protein structure and function; new enzymes for bio-remediation and industry. The aim of the research is to generate new and useful enzymes for bio-remediation and other practical applications. For example, we are evolving enzymes to better degrade organophosphate pesticides that are environmental pollutants. Apart from producing useful enzymes, the proposed research aims at gaining a better understanding of how enzymes work and how they evolve. We intend to dete ....Directed evolution used to probe protein structure and function; new enzymes for bio-remediation and industry. The aim of the research is to generate new and useful enzymes for bio-remediation and other practical applications. For example, we are evolving enzymes to better degrade organophosphate pesticides that are environmental pollutants. Apart from producing useful enzymes, the proposed research aims at gaining a better understanding of how enzymes work and how they evolve. We intend to determine the structure of many related enzymes that have been evolved to have enhanced activities. This data will be used to analyze the intricate relationship between sequence, structure and enzyme activity.Read moreRead less
Functional and structural characterisation of Defective embryo and meristems (Dem) proteins involved in plant development. The proposed research will lead to advances in understanding the regulation of plant development, a process impacting on agriculture, environmental management and human health, areas designated as national research priorities. This understanding is required for modifying plant growth and architecture to fit particular environments, for example generating plants with more ext ....Functional and structural characterisation of Defective embryo and meristems (Dem) proteins involved in plant development. The proposed research will lead to advances in understanding the regulation of plant development, a process impacting on agriculture, environmental management and human health, areas designated as national research priorities. This understanding is required for modifying plant growth and architecture to fit particular environments, for example generating plants with more extensive and deeper roots to mine the soil moisture and nutrients to enhance crop productivity in Australia, and maintaining the competitive advantage of Australian agriculture in view of the range of environmental conditions encountered in this country. The project will also contribute to the health of the Australian population through consumable plants in the diet.Read moreRead less
THE MECHANISMS OF PHOTOPROTECTION IN PLANTS - A GENOMICS AND PHOTOPHYSICAL APPROACH. Coping with adverse environmental conditions is central to plant survival in nature so understanding the photoprotective mechanisms of light acclimation is important for crop improvement. Therefore, effective acclimatory mechanisms at whole plant, cellular and molecular levels are essential to accommodate short and long-term exposure to potentially photodamaging full sunlight and environmental stresses, such as ....THE MECHANISMS OF PHOTOPROTECTION IN PLANTS - A GENOMICS AND PHOTOPHYSICAL APPROACH. Coping with adverse environmental conditions is central to plant survival in nature so understanding the photoprotective mechanisms of light acclimation is important for crop improvement. Therefore, effective acclimatory mechanisms at whole plant, cellular and molecular levels are essential to accommodate short and long-term exposure to potentially photodamaging full sunlight and environmental stresses, such as drought and temperature extremes that lead to plant death or greatly reduced crop yields due to free radical damage. This project brings together a unique cross-disciplinary expertise in biophysics, biochemistry, physiology and genomics to elucidate the known mechanisms and identify unknown factors in photoprotection.Read moreRead less
Reduced Water Consumption in Commercial Malting Processes. The successful outcome for the project will be the production of barley varieties that can be successfully malted with a single steep, rather than the conventional two steeps currently employed. The objective will be achieved through the reduction of cell wall beta-glucan in barley grain. This will result in water savings of around 40%, or 1,500 megalitres per annum, for the Australian malting industry. The 1,500 megalitres saving in ....Reduced Water Consumption in Commercial Malting Processes. The successful outcome for the project will be the production of barley varieties that can be successfully malted with a single steep, rather than the conventional two steeps currently employed. The objective will be achieved through the reduction of cell wall beta-glucan in barley grain. This will result in water savings of around 40%, or 1,500 megalitres per annum, for the Australian malting industry. The 1,500 megalitres saving in water use would be sufficient to support the domestic water consumption of 30,000 people, based upon the use of 140 litres per person per day that was recently achieved in Brisbane.Read moreRead less
Comparative phylogeography of mound springs-invertebrates: identifying genetically divergent populations for conservation and management. The mound springs of the Great Artesian Basin represent one of Australia's most unique and significant environments and are of national biodiversity, cultural and economic significance. The conservation of these unique environments is a national issue following their listing as a threatened ecological community. As economic productivity in the GAB intensifies, ....Comparative phylogeography of mound springs-invertebrates: identifying genetically divergent populations for conservation and management. The mound springs of the Great Artesian Basin represent one of Australia's most unique and significant environments and are of national biodiversity, cultural and economic significance. The conservation of these unique environments is a national issue following their listing as a threatened ecological community. As economic productivity in the GAB intensifies, the mound springs are under increasing threat from escalating groundwater use. The results of this study of genetic diversity in the spring communities will provide a means for the management groups to incorporate a significant biological information into their decision making and help facilitate the conservation of mound springs communities in the Lake Eyre regionRead moreRead less
Evolution of the unique fauna of the Great Artesian Basin mound springs: the impact of aridification and climate change. The mound springs of the Great Artesian Basin represent one of Australia's most unique environments and are of national biodiversity, cultural and economic significance. Their conservation is a major issue following listing of the springs as a threatened ecological community. As economic productivity in the GAB intensifies, the mound springs are under increasing threat from es ....Evolution of the unique fauna of the Great Artesian Basin mound springs: the impact of aridification and climate change. The mound springs of the Great Artesian Basin represent one of Australia's most unique environments and are of national biodiversity, cultural and economic significance. Their conservation is a major issue following listing of the springs as a threatened ecological community. As economic productivity in the GAB intensifies, the mound springs are under increasing threat from escalating groundwater use. The results of this study on the evolution of two crustacean groups will provide significant biological information for management plans, facilitating conservation of mound springs communities, and helping to understand the impacts of water extraction and climate change on this unique habitat.Read moreRead less
Special Research Initiatives - Grant ID: SR0354715
Funder
Australian Research Council
Funding Amount
$40,000.00
Summary
The Australian Plant Nutriomics Network. The Australian Plant Nutriomics Network will link Australian scientists investigating aspects of the plant nutriome - the summation of processes that deliver nutrients and water from soil to plants. The network will establish a coordinated approach to understanding genes, proteins and metabolites involved in element acquisition and how their functions are linked to soil conditions to maximise food quality and overcome soil environmental challenges. Inter ....The Australian Plant Nutriomics Network. The Australian Plant Nutriomics Network will link Australian scientists investigating aspects of the plant nutriome - the summation of processes that deliver nutrients and water from soil to plants. The network will establish a coordinated approach to understanding genes, proteins and metabolites involved in element acquisition and how their functions are linked to soil conditions to maximise food quality and overcome soil environmental challenges. International articulation will ensure information exchange and enhance postgraduate and postdoctoral training by reciprocal visits and focused workshops. A major goal will be a strategy to integrate research using a complex systems approach to problems.Read moreRead less
Assessment of the diversity, distribution and uniqueness of subterranean animals from calcrete aquifers in central western Australia. Recently a rich and diverse subterranean invertebrate fauna (stygofauna) was unexpectedly discovered from numerous isolated calcrete aquifers associated with palaeodrainage channels in central Western Australia. Our recent taxonomic and molecular studies have suggested that stygofaunas within each aquifer may be highly endemic. We aim to test this hypothesis by in ....Assessment of the diversity, distribution and uniqueness of subterranean animals from calcrete aquifers in central western Australia. Recently a rich and diverse subterranean invertebrate fauna (stygofauna) was unexpectedly discovered from numerous isolated calcrete aquifers associated with palaeodrainage channels in central Western Australia. Our recent taxonomic and molecular studies have suggested that stygofaunas within each aquifer may be highly endemic. We aim to test this hypothesis by investigating the diversity, distribution and uniqueness of stygofauna from three major calcrete regions. We further aim to document the environmental conditions and variability within the aquifers and to develop rigorous sampling protocols. Such data are essential for the development of appropriate strategies for sustainable management of subterranean water and their ecosystems.Read moreRead less
The molecular biology and biochemistry of bacterial manganese oxidation. This project will further the understanding of bacterial manganese (Mn2+) oxidation. A multi-disciplinary approach will be used to further investigate the genetics and biochemistry of the Mn2+-oxidising systems of Pseudomonas putida, Leptothrix sp. and Pedomicrobium sp. This work will focus in particular on comparing the Mn2+-oxidising systems from unrelated bacteria. A combination of molecular biology, protein biochemis ....The molecular biology and biochemistry of bacterial manganese oxidation. This project will further the understanding of bacterial manganese (Mn2+) oxidation. A multi-disciplinary approach will be used to further investigate the genetics and biochemistry of the Mn2+-oxidising systems of Pseudomonas putida, Leptothrix sp. and Pedomicrobium sp. This work will focus in particular on comparing the Mn2+-oxidising systems from unrelated bacteria. A combination of molecular biology, protein biochemistry and spectroscopy will be used. This will be the first time that the enzymes of bacterial Mn2+-oxidation will have been characterised in such detail and will lead to a greater understanding of the process of bacterial manganese oxidation.Read moreRead less