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Ecology and management of the Southern Hairy-nosed Wombat. Ecology and management of the Southern Hairy-nosed Wombat. This project aims to use the Southern Hairy-nosed Wombat as a model species to evaluate ecological models for evidence-based continental and site-specific management of native fauna. Predators and climate change threaten Australia's arid-zone wildlife. Wildlife management, especially in areas of human–wildlife conflict, relies on empirical evidence for abundance and distribution ....Ecology and management of the Southern Hairy-nosed Wombat. Ecology and management of the Southern Hairy-nosed Wombat. This project aims to use the Southern Hairy-nosed Wombat as a model species to evaluate ecological models for evidence-based continental and site-specific management of native fauna. Predators and climate change threaten Australia's arid-zone wildlife. Wildlife management, especially in areas of human–wildlife conflict, relies on empirical evidence for abundance and distribution of species and to understand what controls species abundance in space and time. Modern spatial technologies can make such information easier to find. This project’s species distribution model is expected to improve wildlife management.Read moreRead less
Do crayfish use the information carried by low-level electrical signals in the environment? Many vertebrates detect electric fields. Fish communicate electrically. No invertebrate has been shown to do so. We have evidence that crayfish change their behaviour following exposure to low-level, waterborne electrical signals. Crayfish behaviour is currently the preferred model for studying the neurobiology of social hierarchies in animals. Evidence that information is passing from either predators or ....Do crayfish use the information carried by low-level electrical signals in the environment? Many vertebrates detect electric fields. Fish communicate electrically. No invertebrate has been shown to do so. We have evidence that crayfish change their behaviour following exposure to low-level, waterborne electrical signals. Crayfish behaviour is currently the preferred model for studying the neurobiology of social hierarchies in animals. Evidence that information is passing from either predators or conspecifics through an undescribed electrosensory channel would fundamentally change the direction of that research. Behaviour modification using electrical signals could also prove to be a valuable tool in crustacean aquaculture. This is a proposal to discover the nature and behavioural implications of crayfish electroreception.Read moreRead less
Molecular control of postnatal heart development. This project aims to improve our understanding of how the heart develops after birth and the molecules that control this process. Recent advances in tissue engineering have opened up opportunities for the generation of synthetic tissues but these studies have also highlighted a fundamental knowledge gap in our understanding of how complex tissues mature to prepare for life as an adult. Much is known about the molecules that control early embryoni ....Molecular control of postnatal heart development. This project aims to improve our understanding of how the heart develops after birth and the molecules that control this process. Recent advances in tissue engineering have opened up opportunities for the generation of synthetic tissues but these studies have also highlighted a fundamental knowledge gap in our understanding of how complex tissues mature to prepare for life as an adult. Much is known about the molecules that control early embryonic development but little is known about the molecules that control maturation after birth. This project aims to build new knowledge that is expected to improve our ability to generate mature heart muscle cells for stem cell applications, tissue repair and regeneration.Read moreRead less
Is SPINT1 a key regulator of placental development? . The placenta is an essential organ required for reproduction in placental species. This project aims to elucidate the fundamental biology of SPINT1 in placental development. It will generate new knowledge about whether the spatial and temporal expression of SPINT1 is conserved across several species; cow, sheep, lizard, mouse and human. It will also define the molecular mechanisms by which SPINT1 directs formation, maturation and expansion o ....Is SPINT1 a key regulator of placental development? . The placenta is an essential organ required for reproduction in placental species. This project aims to elucidate the fundamental biology of SPINT1 in placental development. It will generate new knowledge about whether the spatial and temporal expression of SPINT1 is conserved across several species; cow, sheep, lizard, mouse and human. It will also define the molecular mechanisms by which SPINT1 directs formation, maturation and expansion of the placental exchange interface which is critical for offspring survival.
The project will increase understanding of placental development, enhance collaboration and research knowhow, and promote future applied projects in all species that reproduce via placental support.Read moreRead less
What is the biological significance of electrosensitivity in crayfish? The finding that an Australian crayfish responds to low-level electrical signals in the surrounding water is the first report of electrosensitivity in an aquatic invertebrate. This project will investigate its unknown biological significance. The results will impact on behavioural studies in all aquatic invertebrates because they will now have to consider this factor. Some other decapod crustaceans will almost certainly be fo ....What is the biological significance of electrosensitivity in crayfish? The finding that an Australian crayfish responds to low-level electrical signals in the surrounding water is the first report of electrosensitivity in an aquatic invertebrate. This project will investigate its unknown biological significance. The results will impact on behavioural studies in all aquatic invertebrates because they will now have to consider this factor. Some other decapod crustaceans will almost certainly be found to be electrosensitive. Not only are these important subjects for behavioural analysis, many form the basis of important commercial aquaculture industries. The outcomes will enhance Australia's scientific standing and provide opportunities for students to become leaders in a new field. Read moreRead less
Purinergic signalling in placentation and vascular adaptation in pregnancy. Our traditional understanding of purinergic signalling in the placenta is significantly outdated and incomplete. The placenta is critical for reproduction in all eutherian mammals, delivering critical nutrition and oxygen to the developing fetus. This project aims to define the role of purinergic signalling as a critical mechanism driving placentation and angiogenesis. This is the first study of its kind and will use sop ....Purinergic signalling in placentation and vascular adaptation in pregnancy. Our traditional understanding of purinergic signalling in the placenta is significantly outdated and incomplete. The placenta is critical for reproduction in all eutherian mammals, delivering critical nutrition and oxygen to the developing fetus. This project aims to define the role of purinergic signalling as a critical mechanism driving placentation and angiogenesis. This is the first study of its kind and will use sophisticated models to improve our fundamental understanding and ability to manipulate mammalian reproduction via the purinoreceptors. This proposal builds on my skills and expertise; improving our knowledge of the processes driving placental and vascular morphogenesis and offers important discoveries for reproductive science.Read moreRead less
Exploring protease inhibitors in placental development and maturation. The placenta is essential for reproduction in many diverse species. This project aims to elucidate fundamental contributions of protease inhibitors and the proteases they target to placental development and maturation. It is expected to generate new knowledge around whether SPINTS play a fundamental role in disparate animals that independently derived a placenta, suggesting convergent genetic evolution. The project is expect ....Exploring protease inhibitors in placental development and maturation. The placenta is essential for reproduction in many diverse species. This project aims to elucidate fundamental contributions of protease inhibitors and the proteases they target to placental development and maturation. It is expected to generate new knowledge around whether SPINTS play a fundamental role in disparate animals that independently derived a placenta, suggesting convergent genetic evolution. The project is expected to result in disciplinary collaboration, produce novel models, and promote future projects in many species. The project should result in significant benefits toward advancing knowledge in reproductive biology, have economic and commercial benefits, and further enhance Australia's outstanding reputation in the field.Read moreRead less
Unravelling the principles of bilateral brain wiring. This project seeks to investigate the molecular principles of brain wiring in mammals and how small changes can generate complex outcomes. Neurons in the mammalian brain must be precisely wired together for the brain to function correctly. The project aims to identify the molecular and cellular rules governing commissural wiring in the mammalian cortex to determine how the largest fibre tract in the human brain, the corpus callosum, evolved. ....Unravelling the principles of bilateral brain wiring. This project seeks to investigate the molecular principles of brain wiring in mammals and how small changes can generate complex outcomes. Neurons in the mammalian brain must be precisely wired together for the brain to function correctly. The project aims to identify the molecular and cellular rules governing commissural wiring in the mammalian cortex to determine how the largest fibre tract in the human brain, the corpus callosum, evolved. This may have involved modifications in mechanisms affecting axon guidance that differ between placentals and marsupials. The project investigates the regulatory gene networks determining commissural neuron fate, the regulation of axon guidance components, and the influence of surrounding brain tissue on the development of commissural connections.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE160101394
Funder
Australian Research Council
Funding Amount
$372,000.00
Summary
Early developmental influences on neocortical organisation. This project seeks to identify the influence of preceding developmental stages on the correct formation of the brain. Development is a sequence of transformations where every stage depends on the outcome of previous stages. The project intends to examine how the early sensory periphery, early-born brain circuits, and intrinsic neuronal interactions affect the subsequent organisation of the cerebral cortex – a mammal-specific brain regio ....Early developmental influences on neocortical organisation. This project seeks to identify the influence of preceding developmental stages on the correct formation of the brain. Development is a sequence of transformations where every stage depends on the outcome of previous stages. The project intends to examine how the early sensory periphery, early-born brain circuits, and intrinsic neuronal interactions affect the subsequent organisation of the cerebral cortex – a mammal-specific brain region responsible for perception, motor planning and cognition. It expects to provide novel mechanistic and conceptual insights into the process of normal brain development and more general biological phenomena, such as development and evolution. It may also provide insights into several genetic and non-genetic causes of brain malformations.Read moreRead less
The role of omega-3 fatty acids in brain mechanisms that regulate water and salt balance. The ability of mammals to survive is heavily dependent upon their ability to maintain body fluid balance. This project aims to elucidate brain mechanisms for the behavioural regulation of water and salt balance, with specific investigation of the role of dietary fatty acids within these processes. It is hypothesised that omega-3 polyunsaturated fatty acids (PUFA) affect intake of water and salt by affecti ....The role of omega-3 fatty acids in brain mechanisms that regulate water and salt balance. The ability of mammals to survive is heavily dependent upon their ability to maintain body fluid balance. This project aims to elucidate brain mechanisms for the behavioural regulation of water and salt balance, with specific investigation of the role of dietary fatty acids within these processes. It is hypothesised that omega-3 polyunsaturated fatty acids (PUFA) affect intake of water and salt by affecting the sensitivity of various receptors, or the hormones used by this body system. Omega-3 PUFA are known to play a role in regulating genes, and therefore, may also affect the production of key proteins, such as receptors, hormones or enzymes involved in the regulation of salt and water intake.Read moreRead less