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ARC Centre of Excellence in Plant Cell Wall Biology. The ARC Centre for Plant Cell Wall Biology will define the regulatory mechanisms that control molecular, enzymic and cellular processes involved in the synthesis, deposition, re-modelling and depolymerisation of cell wall polysaccharides of cereals and grasses. Plant cell walls represent the world's largest renewable carbon resource, but the regulatory mechanisms responsible for their synthesis and assembly are not understood. Key distinguishi ....ARC Centre of Excellence in Plant Cell Wall Biology. The ARC Centre for Plant Cell Wall Biology will define the regulatory mechanisms that control molecular, enzymic and cellular processes involved in the synthesis, deposition, re-modelling and depolymerisation of cell wall polysaccharides of cereals and grasses. Plant cell walls represent the world's largest renewable carbon resource, but the regulatory mechanisms responsible for their synthesis and assembly are not understood. Key distinguishing features of the Centre will be the international, integrative, and multidisciplinary approach towards addressing major questions in plant biology, its strategy to leverage ARC funding, and its linkages with potential national and international end-users of the fundamental scientific discoveries.Read moreRead less
Phloem unloading of sucrose: cloning, functional characterisation and regulation of novel membrane transporters. Sucrose is the principal form in which plant biomass, produced in photosynthetic leaves, is transported to non-photosynthetic organs for growth and storage. Sucrose transport proteins play pivotal roles in facilitating sucrose transport around plants. Hence activities of sucrose transporters directly impact on plant growth rates and crop yields. Our aim is to isolate hitherto unkno ....Phloem unloading of sucrose: cloning, functional characterisation and regulation of novel membrane transporters. Sucrose is the principal form in which plant biomass, produced in photosynthetic leaves, is transported to non-photosynthetic organs for growth and storage. Sucrose transport proteins play pivotal roles in facilitating sucrose transport around plants. Hence activities of sucrose transporters directly impact on plant growth rates and crop yields. Our aim is to isolate hitherto unknown membrane proteins that move sucrose at high rates between cells and discover their transport properties. Expected outcomes are to better understand mechanisms and regulation of sucrose transport and hence provide novel opportunities to enhance crop yield. The project will foster a productive international collaboration.Read moreRead less
Cell wall invertase regulates fruit and seed development through sugar signals, sugar transporters and plasmodesmal gating. This project seeks to understand the molecular and cellular events controlling carbohydrate allocation in fruit and seed by focusing the coupling between sugar metabolism and transport using tomato as a model. The information generated may provide technological opportunities to improve fruit and seed development hence, crop yield.
Mechanisms regulating plant cell expansion: assessing the role of aquaporins and sugar signalling. This project seeks to understand the role of water channel genes in controlling water flow into expanding plant cells by using cotton fibre as a model cell. Water flow plays critical roles in plant growth, hence yield. The information generated may provide technological opportunities for improving water flow and utilization, hence, crop yield.
Plant transfer cells: discovering regulatory mechanisms directing assembly of their ingrowth walls. Specialised transfer cells facilitate nutrient transport within plants which is essential for their growth. This project will explore how structural and functional changes are regulated to form a transfer cell. The results of this research will contribute to scientific knowledge applicable to increasing crop yield.
Metabolite pools and their implications for plant responses to global change. Australian landscape management faces significant challenges from existing land practices and the effects of climate change. Effective management and targeted remediation requires an understanding of the processes that drive ecosystem function. The development of broadly applicable tools for the monitoring of plant and ecosystem health is therefore of considerable interest. Flexibility in core processes of plant functi ....Metabolite pools and their implications for plant responses to global change. Australian landscape management faces significant challenges from existing land practices and the effects of climate change. Effective management and targeted remediation requires an understanding of the processes that drive ecosystem function. The development of broadly applicable tools for the monitoring of plant and ecosystem health is therefore of considerable interest. Flexibility in core processes of plant function represents a significant opportunity to develop such tools. With a focus on plant metabolites, this project will characterise how Australian trees alter the allocation of resources to cope with environmental changes and produce metabolite-based selective traits for stress tolerance in Australian trees. Read moreRead less
Improving plant reproductive success under heat stress: A sweet approach. This project aims to determine how genetic manipulation of cell wall invertase (CWIN) activity could regulate pollen germination, elongation and fruit set under heat stress using tomato as a model. Plant reproductive processes are highly susceptible to heat stress, which often leads to pollination failure and fruit and seed abortion, hence irreversible yield loss. Research has established that CWIN-mediated sugar metabolis ....Improving plant reproductive success under heat stress: A sweet approach. This project aims to determine how genetic manipulation of cell wall invertase (CWIN) activity could regulate pollen germination, elongation and fruit set under heat stress using tomato as a model. Plant reproductive processes are highly susceptible to heat stress, which often leads to pollination failure and fruit and seed abortion, hence irreversible yield loss. Research has established that CWIN-mediated sugar metabolism and signaling may play crucial roles in pollen growth and fruit set under heat stress. The intended outcome is the generation of critical knowledge that will advance understanding on reproductive development under heat stress, thereby providing significant benefits, such as novel ideas and solutions for improving crop yield.Read moreRead less
Oxygen isotope discrimination during C4 photosynthesis. Plants with the C4 photosynthetic pathway, like sugarcane and pasture grasses, are vital to Australian agriculture and natural ecosystems. This project will use novel laser spectroscopy to measure oxygen isotope discrimination during photosynthesis and quantify the influence of C4 plants on isotopic signatures of atmospheric CO2.
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE140100133
Funder
Australian Research Council
Funding Amount
$230,000.00
Summary
Expansion and Upgrade of the Newcastle Plant Growth Facility. Expansion and upgrade of the Newcastle plant growth facility: The project will upgrade and expand the Newcastle plant growth facility to ensure a continuous supply of high quality plant material required for competitively-funded research programs. This outcome will be achieved by replacing plant growth cabinets that have passed their built-in 15 year redundancy by many years, and the addition of specialist cabinets for Arabidopsis res ....Expansion and Upgrade of the Newcastle Plant Growth Facility. Expansion and upgrade of the Newcastle plant growth facility: The project will upgrade and expand the Newcastle plant growth facility to ensure a continuous supply of high quality plant material required for competitively-funded research programs. This outcome will be achieved by replacing plant growth cabinets that have passed their built-in 15 year redundancy by many years, and the addition of specialist cabinets for Arabidopsis research housed in a renovated PC2 space. Together, the infrastructure additions will enhance the productivity and excellence of core areas of plant biology research in plant development and nutrient transport, which are both areas of research that will be critical to address issues of food security in the future.Read moreRead less