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Molecular basis of the antimicrobial activity of the floral defensin, NaD1, for the plant pathogen Fusarium oxysporum. Filamentous fungi are responsible for many major plant diseases that result in devastating crop losses and food spoilage world wide. Currently there are no resistant cultivars or adequate chemical controls for many of these diseases. The plant defensin, NaD1, stops the growth of many pathogens, including the recalcitrant fungi Fusarium oxysporum and Botrytis cinerea, and has bee ....Molecular basis of the antimicrobial activity of the floral defensin, NaD1, for the plant pathogen Fusarium oxysporum. Filamentous fungi are responsible for many major plant diseases that result in devastating crop losses and food spoilage world wide. Currently there are no resistant cultivars or adequate chemical controls for many of these diseases. The plant defensin, NaD1, stops the growth of many pathogens, including the recalcitrant fungi Fusarium oxysporum and Botrytis cinerea, and has been shown to protect transgenic cotton against fungal infection in glasshouse and field trials. NaD1 has potential application for durable, broad spectrum fungal disease control in crops. This will lead to both environmental and economic benefits to Australia. Read moreRead less
Evolution of halophytes: a phyloinformatic approach to understanding and exploiting the traits underlying salt-tolerance in plants. Salinity is an increasing burden on the Australian economy & environment, with >2 million ha of salt-affected land, at an annual cost to agriculture over $187 million. One solution is to exploit naturally salt-tolerant plants to increase productive agricultural land and restore salt-affected environments. To do this, we must increase basic knowledge of the diversity ....Evolution of halophytes: a phyloinformatic approach to understanding and exploiting the traits underlying salt-tolerance in plants. Salinity is an increasing burden on the Australian economy & environment, with >2 million ha of salt-affected land, at an annual cost to agriculture over $187 million. One solution is to exploit naturally salt-tolerant plants to increase productive agricultural land and restore salt-affected environments. To do this, we must increase basic knowledge of the diversity & distribution of salt-tolerance. This project is the first to use DNA sequences from thousands of species to understand the evolution of salt-tolerance in order to provide the foundation for the development of new crop varieties, selection of species that can be developed for bioremediation, and identification of traits that will be profitable targets for breeding programs. Read moreRead less
The dynamics of organic matter turnover in soils to improve the productivity of Australia's agricultural industries. Two recent national reports on the soils issues facing Australian agriculture (Reeves et al, 1997; CSIRO, 2000) concluded that soil structural degradation remains, after salinisation, our major threat to the sustainability of agricultural production. This research will provide fundamental understanding of how the dynamics of organic matter turnover benefit aggregate formation and ....The dynamics of organic matter turnover in soils to improve the productivity of Australia's agricultural industries. Two recent national reports on the soils issues facing Australian agriculture (Reeves et al, 1997; CSIRO, 2000) concluded that soil structural degradation remains, after salinisation, our major threat to the sustainability of agricultural production. This research will provide fundamental understanding of how the dynamics of organic matter turnover benefit aggregate formation and stability. This will advance the understanding of organic matter from simply considering the quantity of carbon present, to one of predicting the short- and long-term benefits to soil structure. This approach is innovative in the study of soil health, and has the potential to greatly advance the development of conservation farming systems.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0668294
Funder
Australian Research Council
Funding Amount
$110,000.00
Summary
Isotope Ratio Mass Spectrometry Facility for Nitrogen and Water Analysis in Plants. Continual improvement to agricultural plant production is key to maintaining future sustainable growth in Australian agriculture. Our respective research teams are focussed on improving how plants utilise both nitrogen and water. Many questions remain with respect to where, how and when plants use and or access these important nutrients. The proposed facility will enable plant scientists to begin in-depth anal ....Isotope Ratio Mass Spectrometry Facility for Nitrogen and Water Analysis in Plants. Continual improvement to agricultural plant production is key to maintaining future sustainable growth in Australian agriculture. Our respective research teams are focussed on improving how plants utilise both nitrogen and water. Many questions remain with respect to where, how and when plants use and or access these important nutrients. The proposed facility will enable plant scientists to begin in-depth analysis of both nitrogen transport mechanisms and the ability to model root development and water allocation in crop species. This research will ultimately lead to improved knowledge on how plants respond to their environment and where modifications can be made to generate sustainable crops suited to Australian agriculture.Read moreRead less
A novel link between plant pathogen defence and DNA repair capability. Plants and plant-based industries are essential for the provision of food, clothing and building materials and underpin the economies of rural communities. Plant yield and quality and the biodiversity of natural systems are dramatically reduced by disease. The fundamental knowledge gained from our research will enable manipulation of the factors that enhance disease resistance resulting in a significant benefit to Australian ....A novel link between plant pathogen defence and DNA repair capability. Plants and plant-based industries are essential for the provision of food, clothing and building materials and underpin the economies of rural communities. Plant yield and quality and the biodiversity of natural systems are dramatically reduced by disease. The fundamental knowledge gained from our research will enable manipulation of the factors that enhance disease resistance resulting in a significant benefit to Australian agriculture and protection of our natural resources. The current reliance for disease control on chemicals that damage the environment will be reduced and our research will contribute directly to the provision of cheaper, simpler and more effective methods of control.
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Plant Protein Signalling Networks. We will assess the functional role of PNPs (novel plant protein hormones) at a biochemical, molecular and cellular level. Importantly, as stresses from climatic extremes are increasing, this will lead to new insights and critical appreciation of the processes plants use to regulate their water status. Since water and solute status underpins the regulation of plant growth and development, these findings will have a major impact on both agriculture and horticul ....Plant Protein Signalling Networks. We will assess the functional role of PNPs (novel plant protein hormones) at a biochemical, molecular and cellular level. Importantly, as stresses from climatic extremes are increasing, this will lead to new insights and critical appreciation of the processes plants use to regulate their water status. Since water and solute status underpins the regulation of plant growth and development, these findings will have a major impact on both agriculture and horticulture in Australia. The new insights that we gain can be used to directly accelerate progress towards the development of plants with improved drought and salinity tolerance that will lead to better crop and pasture productivity under harsh Australian conditions.Read moreRead less
Enhanced efficiency fertilisers for agricultural sustainability and environmental quality. Expected benefits will come from reduced environmental impact and improved profitability of farming. These include: demonstrably reduced emissions of nitrogen gases (nitrous oxide (a greenhouse gas), nitric oxide (ozone active), and ammonia (a pollutant and secondary greenhouse gas); less nitrate leaching, soil acidification and nitrogen contamination of water resources; increased flexibility in timing and ....Enhanced efficiency fertilisers for agricultural sustainability and environmental quality. Expected benefits will come from reduced environmental impact and improved profitability of farming. These include: demonstrably reduced emissions of nitrogen gases (nitrous oxide (a greenhouse gas), nitric oxide (ozone active), and ammonia (a pollutant and secondary greenhouse gas); less nitrate leaching, soil acidification and nitrogen contamination of water resources; increased flexibility in timing and method of fertiliser application; reduced requirement for nitrogen fertiliser, and; helping farmers adapt to future climatic and elevated CO2 conditions. These outcomes will significantly improve and help protect the future financial and environmental conditions of rural Australia, and improve our national greenhouse account. Read moreRead less