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A portable RNA-editing machine. Many plants maintain an elaborate RNA-editing machine that allows them to correct accumulated errors in their organellar genomes by specifically editing the RNA transcripts of the affected genes. A portable and adaptable version of this molecular machine would have significant biotechnological value, providing the ability to correct genetic errors, and to intervene in gene regulation without permanently altering a genome. The project aims to combine molecular and ....A portable RNA-editing machine. Many plants maintain an elaborate RNA-editing machine that allows them to correct accumulated errors in their organellar genomes by specifically editing the RNA transcripts of the affected genes. A portable and adaptable version of this molecular machine would have significant biotechnological value, providing the ability to correct genetic errors, and to intervene in gene regulation without permanently altering a genome. The project aims to combine molecular and structural biology approaches to fully characterise the components of the machine, thus allowing us to reconstitute it in cell-free systems and ultimately in other organisms.Read moreRead less
Field based molecular diagnostics for identification of plant parasitic nematodes. Nematodes are economically important pests of many agricultural and commercially grown plants. We have shown 'proof-of-concept' that plant parasitic nematodes can be identified by protein profiling using MALDI-TOF mass spectroscopy. In this project advanced techniques of proteomics and associated bioinformatics will be used to identify, isolate and characterise proteins that are specific to economically important ....Field based molecular diagnostics for identification of plant parasitic nematodes. Nematodes are economically important pests of many agricultural and commercially grown plants. We have shown 'proof-of-concept' that plant parasitic nematodes can be identified by protein profiling using MALDI-TOF mass spectroscopy. In this project advanced techniques of proteomics and associated bioinformatics will be used to identify, isolate and characterise proteins that are specific to economically important nematode species and races, and to identify diagnostic proteins or epitopes. The diagnostic proteins will be used to generate specific monoclonal antibodies that will be incorporated into immunochemical 'Lateral Flow' devices. These will provide on-site tests to identify nematodes for growers and quarantine services. Read moreRead less
Combinatorial controlled gene expression delivering crops resistant to nematodes. Root-knot nematodes cause US$130 billion crop losses worldwide pa, and at least AUS$ 450 pa in Australia. Current control methods involve fumigation, chemicals (mainly carbamates and organophosphates), natural plant resistance and biological control. The fumigants (eg methyl bromide) are being phased out because they damage the ozone layer, most of the non-fumigants are being banned because of environmental damag ....Combinatorial controlled gene expression delivering crops resistant to nematodes. Root-knot nematodes cause US$130 billion crop losses worldwide pa, and at least AUS$ 450 pa in Australia. Current control methods involve fumigation, chemicals (mainly carbamates and organophosphates), natural plant resistance and biological control. The fumigants (eg methyl bromide) are being phased out because they damage the ozone layer, most of the non-fumigants are being banned because of environmental damage and persistence in groundwater, and biological control has had limited success. These problems are addressed in this project with development of synthetic plant resistance to nematodes, which will benefit horticultural and broadacre farming by reducing pathogen losses and improving quality.Read moreRead less
Deciphering a protein code for recognising Ribonucleic acid (RNA) targets. This project will decipher the protein code employed by a large family of plant proteins for the specific recognition of RNA sequences. This knowledge will be immediately helpful for designing a new generation of biotechnological tools for the agricultural and biomedical sciences.
Australian Laureate Fellowships - Grant ID: FL140100179
Funder
Australian Research Council
Funding Amount
$2,800,000.00
Summary
Controlling gene expression with synthetic RNA-binding proteins. Controlling gene expression with synthetic RNA-binding proteins. The growth and development of living organisms is largely determined by the genes they contain, but converting the genetic information into biological activity requires intermediary processes involving RNA and proteins that bind to and process RNA. This project aims to understand how the largest class of RNA-binding protein in plants recognise their target RNAs and ai ....Controlling gene expression with synthetic RNA-binding proteins. Controlling gene expression with synthetic RNA-binding proteins. The growth and development of living organisms is largely determined by the genes they contain, but converting the genetic information into biological activity requires intermediary processes involving RNA and proteins that bind to and process RNA. This project aims to understand how the largest class of RNA-binding protein in plants recognise their target RNAs and aims to develop custom-designed proteins for switching genes on or off. This technology will be used to create new hybrid cereal varieties and will also be valuable for applications in human health, such as the correction of genetic mutations.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE140101096
Funder
Australian Research Council
Funding Amount
$395,220.00
Summary
Evolutionary Adaptation of the Chemical Language of Nutrient Acquisition Strategies in Higher Plants. The autotrophic and sessile nature of plants means that they need to respond to nutrient limitations in a finely tuned manner to grow and survive. Metabolites play an important role during these adaptations, either as direct modulators or as biochemical indicators of the pathways activated. Plants have evolved from relatively simple unicellular organisms that have a remarkable adaptability to re ....Evolutionary Adaptation of the Chemical Language of Nutrient Acquisition Strategies in Higher Plants. The autotrophic and sessile nature of plants means that they need to respond to nutrient limitations in a finely tuned manner to grow and survive. Metabolites play an important role during these adaptations, either as direct modulators or as biochemical indicators of the pathways activated. Plants have evolved from relatively simple unicellular organisms that have a remarkable adaptability to respond to their environment through metabolite-modulated quorum-sensing mechanisms. Preliminary evidence suggests that plants have either retained some of this ability or have evolved novel nutrient recognition strategies. This project will elucidate these pathways to gain new insights into nutrient acquisition in plants.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE120101117
Funder
Australian Research Council
Funding Amount
$375,000.00
Summary
Understanding the molecular machines making proteins essential for life: investigating specialisation of plastid ribosome composition and function. Plastid ribosomes are complex molecular machines responsible for the production of proteins required for photosynthesis, a process which underlies global food and oxygen production. By determining if distinct plastid types have ribosomes that differ in both composition and function, the project could benefit biotechnological applications.
Regulation and role of metabolic networks for respiration in plants. This project aims to understand the regulation of respiration in plants which underpins the energy provision that cells need to operate. Understanding respiration and how it responds to the changing environment is a building block needed for rational engineering of our future food from plants.
Oxygen Signalling in Grapevine Bud Dormancy. Dormancy is an important economic and ecological trait of many trees and crop plants, including most commercially valuable fruit species. This project aims to: define oxygen and radicals of oxygen as central cues of grapevine bud development and dormancy; identify and model the developmental processes that occur during dormancy onset, maintenance and release (bud burst); as well as to identify the molecular and biochemical regulators of oxygen signals ....Oxygen Signalling in Grapevine Bud Dormancy. Dormancy is an important economic and ecological trait of many trees and crop plants, including most commercially valuable fruit species. This project aims to: define oxygen and radicals of oxygen as central cues of grapevine bud development and dormancy; identify and model the developmental processes that occur during dormancy onset, maintenance and release (bud burst); as well as to identify the molecular and biochemical regulators of oxygen signals in bud dormancy. The knowledge generated could provide a platform to test impacts of climate change on fruit and tree species, and lead to better management of fruit and tree species in agricultural and ecological systems.Read moreRead less
A new and rapidly evolving class of plant peptides. The project will study a diverse class of drug-like mini-proteins that are thought to have emerged genetically over 12 million years ago. This project will explore why plants have kept making these mini-proteins for so long and whether it is the same reason the founding member of this mini-protein class is such a good drug.