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Polyketides as the conserved basis for diverse marine toxin biosyntheses. Over the past three decades, the frequency and global distribution of harmful marine biotoxin events appears to have increased, and human poisonings have regularly occurred. This project will develop an understanding of the genetics and physiology of toxin-producing marine microorganisms in response to pollution and climatic change that is critical for the management of these species and for the risk assessment of contamin ....Polyketides as the conserved basis for diverse marine toxin biosyntheses. Over the past three decades, the frequency and global distribution of harmful marine biotoxin events appears to have increased, and human poisonings have regularly occurred. This project will develop an understanding of the genetics and physiology of toxin-producing marine microorganisms in response to pollution and climatic change that is critical for the management of these species and for the risk assessment of contaminated seafood. The direct outcomes of this work constitute an easier, more economical and ethical alternative to current toxicity testing. Further benefits of this research will also be tangible for the environmental, biosecurity, fisheries and pharmaceutical sectors of Australian community and industry.Read moreRead less
Symbiosomes and symbiosome membranes of corals and other cnidaria. Reef building corals and many other marine animals depend on symbiotic algae. Very little is known about the ways in which these organisms achieve effective communication with their endosymbionts, yet this is vital for understanding coral bleaching, a major present-day problem. In corals and their relatives, algae are housed in membrane-bounded vesicles, symbiosomes, which mediate the signal regulation that maintains an ongoin ....Symbiosomes and symbiosome membranes of corals and other cnidaria. Reef building corals and many other marine animals depend on symbiotic algae. Very little is known about the ways in which these organisms achieve effective communication with their endosymbionts, yet this is vital for understanding coral bleaching, a major present-day problem. In corals and their relatives, algae are housed in membrane-bounded vesicles, symbiosomes, which mediate the signal regulation that maintains an ongoing and healthy association at the cellular level. Unlike some terrestrial symbioses, little is known about the structure and function of the coral symbiosome. This study sets out to investigate this membrane at the cellular and molecular level.Read moreRead less
Novel Chlorophylls and New Directions in Photosynthesis. Understanding how solar energy is used in photosynthesis is of global importance and will contribute to cutting-edge photosynthetic research by Australian scientists. We aim to discover how and why the key photosynthetic pigments, chlorophylls, are synthesised and used; this will provide new opportunities for breakthroughs in frontier technologies, such as photoelectric cells based on carbon rather than silicon. We aim to understand how no ....Novel Chlorophylls and New Directions in Photosynthesis. Understanding how solar energy is used in photosynthesis is of global importance and will contribute to cutting-edge photosynthetic research by Australian scientists. We aim to discover how and why the key photosynthetic pigments, chlorophylls, are synthesised and used; this will provide new opportunities for breakthroughs in frontier technologies, such as photoelectric cells based on carbon rather than silicon. We aim to understand how novel chlorophylls are used in a variety of important organisms in a range of ecological niches. The results will aid understanding of the effects of global climate change on coral reefs, in open-ocean systems and in other important biological communities.Read moreRead less
Molecular mechanisms of spectral extension in photosynthesis: the substitution and formation of the novel pigment chlorophyll d. This project builds on new discoveries of novel chlorophylls and how their spectral properties are fine-tuned in photosynthetic bacteria. We will focus on how key photopigments, the chlorophylls, are biosynthesised, including their enzyme structures, mechanisms and regulatory elements. Understanding the power of natural selection on spectral extension in photosynthesis ....Molecular mechanisms of spectral extension in photosynthesis: the substitution and formation of the novel pigment chlorophyll d. This project builds on new discoveries of novel chlorophylls and how their spectral properties are fine-tuned in photosynthetic bacteria. We will focus on how key photopigments, the chlorophylls, are biosynthesised, including their enzyme structures, mechanisms and regulatory elements. Understanding the power of natural selection on spectral extension in photosynthesis will shed light on the evolutionary development of photopigments, and will allow us explore the possibilities for the production of new pigments in solar energy research.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0454170
Funder
Australian Research Council
Funding Amount
$187,341.00
Summary
Biacore3000-Expansion of Proteomics Facility. The sequencing of the human genome has led to redirection of effort towards the rapid characterisation of the products of genes, proteins. This project will establish state of the art facilities for protein identification and characterisation in the Hunter Region. The investigators are representative of several major research programs and are unified by their specific expertise in the fundamental molecular mechanisms underlying the control of cellula ....Biacore3000-Expansion of Proteomics Facility. The sequencing of the human genome has led to redirection of effort towards the rapid characterisation of the products of genes, proteins. This project will establish state of the art facilities for protein identification and characterisation in the Hunter Region. The investigators are representative of several major research programs and are unified by their specific expertise in the fundamental molecular mechanisms underlying the control of cellular processes in plants, animals and humans. Understanding these mechanisms will provide the basis for improved management of the environment and pathological conditions through identifying molecular targets for diagnosis, genetic manipulation or drug design.Read moreRead less
Molecular mechanisms of cyclic Adenosine Monophosphate (AMP) induced apoptosis. Cyclic Adenosine Monophosphate (cAMP) is an important cellular chemical necessary for cell growth. However, de-regulated cAMP production in response to altered physiology can result in cellular death or apoptosis. This is attributed to the development of certain human diseases and this project aims to understand the molecular mechanism behind this process.
Elucidating the regulation of cell death by random mutagenesis of key apoptotic proteins. All organisms need to remove damaged or excessive cells. This cell death process is called apoptosis. Defects in apoptosis result in numerous diseases including cancer, and neurodegenerative and immune disorders. Determining how this process is regulated is of crucial importance for therapeutic intervention. We will utilise a powerful strategy to mutate proteins required for apoptosis so that they no longer ....Elucidating the regulation of cell death by random mutagenesis of key apoptotic proteins. All organisms need to remove damaged or excessive cells. This cell death process is called apoptosis. Defects in apoptosis result in numerous diseases including cancer, and neurodegenerative and immune disorders. Determining how this process is regulated is of crucial importance for therapeutic intervention. We will utilise a powerful strategy to mutate proteins required for apoptosis so that they no longer work, which will allow the identification of protein regions essential for cell death activity . This will lead to identification of potential drug targets to control apoptosis. Elucidating the mechanism of cell death will lead to the development of novel and improved therapies for diseases such as cancer and neurodegenerative disease.Read moreRead less
Determining the molecular regulation of blood vessel development and angiogenesis. Abnormal blood vessel growth is associated with diseases including cancer, macular degeneration, diabetic retinopathy and chronic inflammation. This project focuses on understanding normal blood vessel growth in order to gather clues to help discover ways of preventing abnormal blood vessel growth during disease.
Investigation of the biology of insulin-like growth factor 1 and its derivatives for the development of new therapeutics. This project will investigate the biology of insulin-like growth factor 1, a key molecule in growth, development and, in particular, the wound healing process. Its success will lead to improved treatments for non-healing (chronic) wounds and, potentially, new anti-cancer treatments.
Molecular control of apoptosis and protein homeostasis. A million cells are produced every second by cell division. At the same time a million cells commit suicide by a process called apoptosis. When cells fail to die when they should they can develop into cancers. In heart attacks, stroke and neurodegenerative diseases, many cells appear to activate their self destruct mechanism to die unnecessarily. Drugs that can cause cancer cells to kill themselves, or drugs that prevent cells dying when th ....Molecular control of apoptosis and protein homeostasis. A million cells are produced every second by cell division. At the same time a million cells commit suicide by a process called apoptosis. When cells fail to die when they should they can develop into cancers. In heart attacks, stroke and neurodegenerative diseases, many cells appear to activate their self destruct mechanism to die unnecessarily. Drugs that can cause cancer cells to kill themselves, or drugs that prevent cells dying when they shouldn't, would make a major impact on many important diseases. Understanding the molecular mechanisms of cell death is the first step towards developing these drugs.Read moreRead less