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Linkage Infrastructure, Equipment And Facilities - Grant ID: LE100100107
Funder
Australian Research Council
Funding Amount
$400,000.00
Summary
Purchase of a multi-purpose Schottky field emission gun scanning electron microscope. Scanning electron microscopy is a basic analytical tool for imaging surfaces of natural and synthetic materials and identification of nanometre-scale features and their compositions. At the University of Tasmania, it supports four of our six designated priority research themes: Antarctic and Marine Studies, Environment, Frontier Technologies, and Sustainable Primary Production. Our research depending on this te ....Purchase of a multi-purpose Schottky field emission gun scanning electron microscope. Scanning electron microscopy is a basic analytical tool for imaging surfaces of natural and synthetic materials and identification of nanometre-scale features and their compositions. At the University of Tasmania, it supports four of our six designated priority research themes: Antarctic and Marine Studies, Environment, Frontier Technologies, and Sustainable Primary Production. Our research depending on this technique includes many fundamental and applied topics from a wide range of disciplines, such as developing portable detection devices for explosives, finding more efficient and sustainable ways to explore for ore, investigating the effects of climate change on marine ecosystems and improving salinity and drought tolerance of crops.Read moreRead less
Mechanisms of action and expression of bioactive compounds produced by the surface associated marine bacterium Pseudoalteromonas tunicata. The marine surface-associated bacterium Pseudoalteromonas tunicata produces a number of bioactive metabolites that inhibit the colonisation and growth of common fouling organisms such as bacteria, fungi, algae and invertebrate larvae. The antibacterial and antifungal compounds represent novel metabolites active against a remarkable range of both medically and ....Mechanisms of action and expression of bioactive compounds produced by the surface associated marine bacterium Pseudoalteromonas tunicata. The marine surface-associated bacterium Pseudoalteromonas tunicata produces a number of bioactive metabolites that inhibit the colonisation and growth of common fouling organisms such as bacteria, fungi, algae and invertebrate larvae. The antibacterial and antifungal compounds represent novel metabolites active against a remarkable range of both medically and agriculturally important bacteria and fungi. This project aims to explore the identity, mode of action and regulation of expression of these compounds. This research proposal addresses several significant biological concepts and will lead to the development of novel environmentally friendly antifouling and antimicrobial technologies.Read moreRead less
Chemical Defenses Against Microbial Colonisation of Living Marine Surfaces. Microorganisms have a major impact on all ecosystems. Many of these effects are due to the formation of biofilms - cell clusters and their slime matrix - on living and non-living surfaces. Biofilm formation is often regulated by chemical signals. The aim of this project is to understand how naturally produced chemical signals mediate the formation of biofilms on surfaces of marine macroalgae (seaweeds) at both the eco ....Chemical Defenses Against Microbial Colonisation of Living Marine Surfaces. Microorganisms have a major impact on all ecosystems. Many of these effects are due to the formation of biofilms - cell clusters and their slime matrix - on living and non-living surfaces. Biofilm formation is often regulated by chemical signals. The aim of this project is to understand how naturally produced chemical signals mediate the formation of biofilms on surfaces of marine macroalgae (seaweeds) at both the ecological and molecular levels. By understanding colonisation of natural living surfaces, this project will lead directly to significant advances in control of microorganisms in a variety of applied areas (water treatment, biomaterials, antifouling).Read moreRead less
Catalytic Electron Transfer in Photosystem II of Plants and Bacteria. Large scale hydrogen production from electricity and abundant water sources, such as sea water, represents the ultimate goal for the research described here. This is part of an overall scheme, called "Artificial Photosynthesis", to generate clean renewable energy. Although the present project is but one step in this ambitious program, it directly addresses a key hurdle which must be overcome to make the project feasible. This ....Catalytic Electron Transfer in Photosystem II of Plants and Bacteria. Large scale hydrogen production from electricity and abundant water sources, such as sea water, represents the ultimate goal for the research described here. This is part of an overall scheme, called "Artificial Photosynthesis", to generate clean renewable energy. Although the present project is but one step in this ambitious program, it directly addresses a key hurdle which must be overcome to make the project feasible. This is the efficient electrical conversion of water into hydrogen and oxygen, a two part process of which the latter is the most chemically difficult. The project aims to 'steal nature's secrets', by deciphering and then technologically mimicking the highly efficient means by which plants carry out these processes.Read moreRead less
Evaluation of the EG95 vaccine against hydatid infection in macropodid marsupials. A parasitic infection known as hydatids was introduced into Australia by Europeans and is now causing mortality in Australian wallabies and kangaroos, including amongst endangered species. A vaccine against the disease, that was developed in Australia for use in domestic livestock, is being evaluated to determine if it could be used to prevent hydatids closely monitored populations of endangered macropod marsupia ....Evaluation of the EG95 vaccine against hydatid infection in macropodid marsupials. A parasitic infection known as hydatids was introduced into Australia by Europeans and is now causing mortality in Australian wallabies and kangaroos, including amongst endangered species. A vaccine against the disease, that was developed in Australia for use in domestic livestock, is being evaluated to determine if it could be used to prevent hydatids closely monitored populations of endangered macropod marsupials, such as Petrogale penicillata.Read moreRead less
Gas Phase Dynamics of a Biological Molecular Machine: Fundamentals, Stoichiometries and Stabilities. Over the last twenty years advanced molecular measurement techniques have enabled the characterization of individual biological molecules (proteins and DNA) within different types of cells and diseased tissues. This project uses a new technique that literally "weighs" groups of proteins and/or DNA to help us understand how such large molecules fit together and function within cells (sometimes ref ....Gas Phase Dynamics of a Biological Molecular Machine: Fundamentals, Stoichiometries and Stabilities. Over the last twenty years advanced molecular measurement techniques have enabled the characterization of individual biological molecules (proteins and DNA) within different types of cells and diseased tissues. This project uses a new technique that literally "weighs" groups of proteins and/or DNA to help us understand how such large molecules fit together and function within cells (sometimes referred to as molecular machinery). More detailed knowledge of processes such as those involved in copying DNA when new cells are produced will, in the long term, improve our understanding and treatment of conditions or diseases that result from errors in molecular machinery. Read moreRead less
The mechanism of water splitting in photosynthesis. Sunlight reaching the earth is used by the vast body of plants and algae living in surface waters and on the land to drive photosynthesis. One of the most fundamental contributions that photosynthesis provides to the Biosphere is the gaseous oxygen produced by its water-splitting chemistry - ~300 gigatons of O2 are released into the atmosphere per year. However, the mechanism behind water-splitting is not precisely known. We will use a range o ....The mechanism of water splitting in photosynthesis. Sunlight reaching the earth is used by the vast body of plants and algae living in surface waters and on the land to drive photosynthesis. One of the most fundamental contributions that photosynthesis provides to the Biosphere is the gaseous oxygen produced by its water-splitting chemistry - ~300 gigatons of O2 are released into the atmosphere per year. However, the mechanism behind water-splitting is not precisely known. We will use a range of unique experimental approaches to determine the molecular mechanism of the photosynthetic water-splitting chemistry. The understanding of this reaction will provide the molecular blueprint for the development of efficient biocatalysts to generate H2 and O2 from water.Read moreRead less
Self organization in (bio)molecular systems: Simulating the folding and aggregation of peptides, proteins and lipids. Molecular self-assembly is a basic property of living systems. Most proteins fold spontaneously and then further self-organize into functional complexes, effectively biological machines. Understanding how this occurs is a fundamental theoretical challenge with widespread application. Work will focus on developing methodology to simulate, computationally, the folding and aggrega ....Self organization in (bio)molecular systems: Simulating the folding and aggregation of peptides, proteins and lipids. Molecular self-assembly is a basic property of living systems. Most proteins fold spontaneously and then further self-organize into functional complexes, effectively biological machines. Understanding how this occurs is a fundamental theoretical challenge with widespread application. Work will focus on developing methodology to simulate, computationally, the folding and aggregation of peptides, proteins, and lipids. The aim is to accurately predict the structures of small peptides in solution and to refine crude models of larger molecules (complexes). This will facilitate the development of peptide based therapeutics and is essential in exploiting the growing volume of genetic information in biology and medicine.Read moreRead less
Diversity of Salinispora actinobacteria producing pharmaceutically relevant natural products from Australian marine sponges. By investigating the distribution of marine microbial resources relevant to drug discovery, we will directly contribute to ARC's Research Priority I - An Environmentally Sustainable Australia Priority Goal and the Priority Goal 'Sustainable use of Australia's biodiversity'. We will determine sources of marine bacteria and their genes useful for discovery of new natural pro ....Diversity of Salinispora actinobacteria producing pharmaceutically relevant natural products from Australian marine sponges. By investigating the distribution of marine microbial resources relevant to drug discovery, we will directly contribute to ARC's Research Priority I - An Environmentally Sustainable Australia Priority Goal and the Priority Goal 'Sustainable use of Australia's biodiversity'. We will determine sources of marine bacteria and their genes useful for discovery of new natural products for treatment of human diseases. We will do this by understanding where new strains of Salinispora bacteria may be isolated and how they are distributed in association with Australian marine sponge fauna, and by determining the distribution and chemical and genetic diversity of novel marine Salinispora bacteria.Read moreRead less
The cost of a meal: life-history consequences of foraging mode in fur seals and sea lions. Australia's two fur seal species are currently experiencing population increases throughout their range as they recover from the over-exploitation of the commercial sealing era (18-19th centuries) whereas the Australian sea lion population is decreasing (or stable but low) throughout its range and is considered vulnerable. Understanding the mechanisms which determine foraging efficiency in fur seals and s ....The cost of a meal: life-history consequences of foraging mode in fur seals and sea lions. Australia's two fur seal species are currently experiencing population increases throughout their range as they recover from the over-exploitation of the commercial sealing era (18-19th centuries) whereas the Australian sea lion population is decreasing (or stable but low) throughout its range and is considered vulnerable. Understanding the mechanisms which determine foraging efficiency in fur seals and sea lions will have implications for the management of these species, which are likely to experience increasing interactions with fisheries activities. The results of this research will assist in the development of policies to ensure the environmentally sustainable use of marine resources. Read moreRead less