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Cell type-specific transgene expression to increase Fe content in cereal grains. The grains industry forms a vital part of the Australian economy and farm sector. Increased iron concentrations of wheat and other cereal grains would greatly increase their nutritional value for people worldwide, thereby increasing their market value and profitability for farmers. High iron wheat would also lower the production costs of many Australian wheat products by reducing or eliminating the need for iron for ....Cell type-specific transgene expression to increase Fe content in cereal grains. The grains industry forms a vital part of the Australian economy and farm sector. Increased iron concentrations of wheat and other cereal grains would greatly increase their nutritional value for people worldwide, thereby increasing their market value and profitability for farmers. High iron wheat would also lower the production costs of many Australian wheat products by reducing or eliminating the need for iron fortification of wheat flour. High iron cereals promote healthy development of young Australians and can improve preventative healthcare by reducing the incidence of iron deficiency anaemia and biochemical deficiency.Read moreRead less
Role of alanine aminotransferase in improved nitrogen use efficiency (NUE) in cereals. The use of nitrogen-based fertilisers by crop plants is poor where efficiencies (nitrogen taken up to that applied) is often less than 40%. Nitrogen not used is often lost to the environment through leaching and or volatilisation. Improving nitrogen use efficiency (NUE) in agriculture will decrease overall nitrogen fertiliser use and minimise its environmental footprint. This project will characterise a nov ....Role of alanine aminotransferase in improved nitrogen use efficiency (NUE) in cereals. The use of nitrogen-based fertilisers by crop plants is poor where efficiencies (nitrogen taken up to that applied) is often less than 40%. Nitrogen not used is often lost to the environment through leaching and or volatilisation. Improving nitrogen use efficiency (NUE) in agriculture will decrease overall nitrogen fertiliser use and minimise its environmental footprint. This project will characterise a novel NUE technology that when transferred to plants significantly improves NUE. We will define the phenotype at the molecular, biochemical and physiological levels to maximise its adoption to other agricultural crops such as wheat, barley and maize.Read moreRead less
Controlling accumulation of elements in the shoots of higher plants by manipulating processes in specific cell types in the roots. This project will provide novel, fundamental understanding of the processes controlling accumulation of elements in the shoots of plants. As such, it will impact on our understanding of processes relevant to stress tolerance, plant nutrition, human nutrition and the removal of toxic metals from soils by plants. These are all areas of great importance to Australian ag ....Controlling accumulation of elements in the shoots of higher plants by manipulating processes in specific cell types in the roots. This project will provide novel, fundamental understanding of the processes controlling accumulation of elements in the shoots of plants. As such, it will impact on our understanding of processes relevant to stress tolerance, plant nutrition, human nutrition and the removal of toxic metals from soils by plants. These are all areas of great importance to Australian agriculture, environmental sustainability and human health. The increased understanding arising from this project will underpin future work to increase agricultural productivity and the quality of life for all in the Australian and international communities.Read moreRead less
Development of advanced screening protocols for the identification of genes involved in nutrient sensing and nutrient efficiency in plants. Sustainable plant production in Australia builds on the concept of stable crop yield and high crop quality at low pesticide and fertilizer input. This requires a more efficient use of the plant's own mechanisms to efficiently explore nutrient patches in soils that are usually heterogeneously distributed. The identification of nutrient sensors in plants will ....Development of advanced screening protocols for the identification of genes involved in nutrient sensing and nutrient efficiency in plants. Sustainable plant production in Australia builds on the concept of stable crop yield and high crop quality at low pesticide and fertilizer input. This requires a more efficient use of the plant's own mechanisms to efficiently explore nutrient patches in soils that are usually heterogeneously distributed. The identification of nutrient sensors in plants will not only allow a deeper understanding of how plants manage to overcome nutrient-poor growth periods but also open new possibilities for enhancing nutrient efficiency in crop plants. The increased understanding arising from this project will underpin future work to increase agricultural productivity and the quality of life for all in the Australian and international communities.Read moreRead less
Salinity tolerance and long-distance transport in cereals. The aim of this program is to alter shoot accumulation of solutes in cereals by exploiting novel transgenic technology to manipulate processes in specific cell types in the roots. The primary objective is the generation of cereals which have increased tolerance of saline soils. This is clearly of much agricultural significance in Australia. More general outcomes include the generation of plants with altered concentrations of a range of n ....Salinity tolerance and long-distance transport in cereals. The aim of this program is to alter shoot accumulation of solutes in cereals by exploiting novel transgenic technology to manipulate processes in specific cell types in the roots. The primary objective is the generation of cereals which have increased tolerance of saline soils. This is clearly of much agricultural significance in Australia. More general outcomes include the generation of plants with altered concentrations of a range of nutrients in both leaves and grain. This will be of wide agricultural and nutritional benefit, as well as providing an understanding of principles underlying the long-distance co-ordination of processes in plants.Read moreRead less
Targeted approaches to improve nitrogen use efficiency in maize. Nitrogen is an essential input required for growing high yielding quality cereal crops such as maize and wheat. Unfortunately, excessive use of nitrogen fertilizers can lead to serious environmental costs including nitrogen pollution through leaching and the significant cost in non-renewable fossil fuels used in their production. Improving nitrogen use efficiency in crops such as maize will reduce fertilizer use while ensuring lo ....Targeted approaches to improve nitrogen use efficiency in maize. Nitrogen is an essential input required for growing high yielding quality cereal crops such as maize and wheat. Unfortunately, excessive use of nitrogen fertilizers can lead to serious environmental costs including nitrogen pollution through leaching and the significant cost in non-renewable fossil fuels used in their production. Improving nitrogen use efficiency in crops such as maize will reduce fertilizer use while ensuring long-term sustainable production and harvestable yields. This collaboration with DuPont-Pioneer will focus on identifying nitrogen-linked traits in Maize that will be incorporated into new lines targeted at reducing grower dependence on nitrogen fertilizers.Read moreRead less
Improving nitrogen use efficiency in crop plants: Functional analysis of high-affinity ammonium transport in plant lines altered in ammonium transport capacity. Improving nitrogen fertiliser use in crop species will benefit Australia and world agriculture by reducing nitrogen-linked environmental pollution. Nitrogen fertilisers can be leached from soils and result in the pollution of ground water, rivers, estuaries and oceans. Using model plant systems we are dissecting the genes and their encod ....Improving nitrogen use efficiency in crop plants: Functional analysis of high-affinity ammonium transport in plant lines altered in ammonium transport capacity. Improving nitrogen fertiliser use in crop species will benefit Australia and world agriculture by reducing nitrogen-linked environmental pollution. Nitrogen fertilisers can be leached from soils and result in the pollution of ground water, rivers, estuaries and oceans. Using model plant systems we are dissecting the genes and their encoded proteins responsible for ammonium nitrogen uptake into plants. Identifying the in planta function of these genes will allow new breeding approaches to specifically target genes that will improve the efficiency of ammonium uptake and lessen the reliance on the supply of nitrogen fertilizers in modern agricultural crop production.Read moreRead less
New strategies for reducing the concentrations of arsenic and cadmium in crop plants. The research is directed at reducing the concentrations in crops of cadmium and arsenic, two elements that accumulate in humans and can have a range of toxic effects. The results will have widespread implications for improving health in Australia, but are expected to have an even greater impact on populations in parts of Asia where contamination of soil and water by these elements is most severe. The project wi ....New strategies for reducing the concentrations of arsenic and cadmium in crop plants. The research is directed at reducing the concentrations in crops of cadmium and arsenic, two elements that accumulate in humans and can have a range of toxic effects. The results will have widespread implications for improving health in Australia, but are expected to have an even greater impact on populations in parts of Asia where contamination of soil and water by these elements is most severe. The project will train two junior scientists and foster scientific links with China. Read moreRead less
Enhancing Genomic Prediction for Changing Environments in Wheat. Adverse weather is the primary risk faced by the Australian agriculture industry. This Project aims to develop the next generation of agriculture tools to unlock natural potential in wheat and improve yield stability across seasons and regions. Drawing on crop physiology, genetics and integrated modelling, this Project expects to generate new knowledge and technologies to untangle genetic and environmental interactions that affect ....Enhancing Genomic Prediction for Changing Environments in Wheat. Adverse weather is the primary risk faced by the Australian agriculture industry. This Project aims to develop the next generation of agriculture tools to unlock natural potential in wheat and improve yield stability across seasons and regions. Drawing on crop physiology, genetics and integrated modelling, this Project expects to generate new knowledge and technologies to untangle genetic and environmental interactions that affect productivity, enhance predictive capability, and initiate advanced breeding strategies to develop new crop varieties with superior resilience against changing climates. This should provide significant benefits, such as profit stability for wheat growers, elevated global market position and improved food security.Read moreRead less
Developing Zn-dense, high-yielding wheat by molecular marker technology. The objective of this project is to identify pathways leading to the accumulation of zinc — an important element for human nutrition — in wheat. The project aims to provide biochemical and molecular markers for breeding programs that will facilitate the selection of superior breeding lines for improved human nutrition and seed health. This project builds on studies using a wheat diversity panel with 90 000 gene-based single ....Developing Zn-dense, high-yielding wheat by molecular marker technology. The objective of this project is to identify pathways leading to the accumulation of zinc — an important element for human nutrition — in wheat. The project aims to provide biochemical and molecular markers for breeding programs that will facilitate the selection of superior breeding lines for improved human nutrition and seed health. This project builds on studies using a wheat diversity panel with 90 000 gene-based single nucleotide polymorphism (SNP) markers, where zinc–SNP associations were identified. The project also builds on recent studies that show particular metabolites and macronutrients around anthesis are linked to improved grain zinc concentration at maturity.Read moreRead less