Metal Clips for Folding Peptides. Large protein molecules fold into shapes that are important for their function. These shapes are defined by secondary structures stabilised by hydrogen bonds, packing effects, and sometimes also by the binding of metal ions. Smaller peptides corresponding to these secondary structures tend to adopt only random structures in solution, away from the stabilising environment of the protein. In this project metal ions are used to clip together components of small pe ....Metal Clips for Folding Peptides. Large protein molecules fold into shapes that are important for their function. These shapes are defined by secondary structures stabilised by hydrogen bonds, packing effects, and sometimes also by the binding of metal ions. Smaller peptides corresponding to these secondary structures tend to adopt only random structures in solution, away from the stabilising environment of the protein. In this project metal ions are used to clip together components of small peptides, thereby stabilising secondary structures (alpha helices) identical to those adopted by proteins. Small peptides so constrained may reproduce some properties of proteins, such as interactions with biological receptors.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0668507
Funder
Australian Research Council
Funding Amount
$260,000.00
Summary
Real time PCR and nanoparticle diagnostic facilities for high-throughput quantitative analysis of genomic structure and gene expression. Modern molecular tools have lead to an explosion in genome projects and unification of all areas of biology. The most basic need for such research is access to improving technologies for detecting DNA fingerprints that distinguish genetically-diverse genes, and determining which genes are "switched on" or 'off' in various situations. Real time PCR technology, ....Real time PCR and nanoparticle diagnostic facilities for high-throughput quantitative analysis of genomic structure and gene expression. Modern molecular tools have lead to an explosion in genome projects and unification of all areas of biology. The most basic need for such research is access to improving technologies for detecting DNA fingerprints that distinguish genetically-diverse genes, and determining which genes are "switched on" or 'off' in various situations. Real time PCR technology, pioneered by The University of Queensland (UQ) and Southern Cross University (SCU) using ARC funding in 1996, is now the technology of choice for much of this research. This project will provide high-throughput equipment for real time PCR, and will develop complementary high-throughput "nanoparticle" DNA genotyping technologies, with applications to medicine and agriculture.
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Control of Wolbachia replication: maintaining a stable symbiosis. This project will use a comparative genomics approach to better understand how Wolbachia infections of insects are able to maintain themselves in insects without causing pathology. The results will allow us to better understand a distinguishing characteristic of an intracellular symbiont, namely replication control. The results also have the potential to lead to new approaches to insect pest control through a better understanding ....Control of Wolbachia replication: maintaining a stable symbiosis. This project will use a comparative genomics approach to better understand how Wolbachia infections of insects are able to maintain themselves in insects without causing pathology. The results will allow us to better understand a distinguishing characteristic of an intracellular symbiont, namely replication control. The results also have the potential to lead to new approaches to insect pest control through a better understanding of how Wolbachia might be used to skew insect population age structure.Read moreRead less
Cystine flux and hydrogen peroxide breakdown in reuteri group lactobacilli. We have discovered, and aim to fully dissect a novel function of reuteri group lactobacilli. These microbes inhabit the surfaces of the gastrointestinal and reproductive tracts of humans and are also used as probiotics, and in the dairy industry. This function mediates the production and breakdown of large amounts of hydrogen peroxide, cystine and thiols. These are highly bioactive and affect human cells and other bacter ....Cystine flux and hydrogen peroxide breakdown in reuteri group lactobacilli. We have discovered, and aim to fully dissect a novel function of reuteri group lactobacilli. These microbes inhabit the surfaces of the gastrointestinal and reproductive tracts of humans and are also used as probiotics, and in the dairy industry. This function mediates the production and breakdown of large amounts of hydrogen peroxide, cystine and thiols. These are highly bioactive and affect human cells and other bacteria at the surfaces of the gastrointestinal and reproductive tracts, and thiols are also flavourants in dairy products. Our research will inform the rational development of probiotics, the management and treatment of unpleasant conditions such as Crohn's disease and bacterial vaginosis, and innovation in dairy fermentations.Read moreRead less
A New Window into Transgene Silencing in Plants: mechanisms of copy-number independent, 5' sequence dependent, post-transcriptional silencing in a complex polyploid. Silencing of introduced genes is a major problem limiting plant molecular improvement. Sugarcane, a complex polyploid, shows the most efficient transgene silencing ever observed in plants. Silencing operates on the RNA, depends on the upstream sequence of the gene, and is independent of copy number. Other plant species develop endop ....A New Window into Transgene Silencing in Plants: mechanisms of copy-number independent, 5' sequence dependent, post-transcriptional silencing in a complex polyploid. Silencing of introduced genes is a major problem limiting plant molecular improvement. Sugarcane, a complex polyploid, shows the most efficient transgene silencing ever observed in plants. Silencing operates on the RNA, depends on the upstream sequence of the gene, and is independent of copy number. Other plant species develop endopolyploidy with age, and show unpredictable or patchy silencing. We speculate that differential silencing is a natural control mechanism in the exploitation of polyploidy in plants. The sugarcane system provides an exceptional opportunity to identify the sequences that trigger and protect from silencing, and to develop approaches to avoid the problem.Read moreRead less
The future of corneal refractive reshaping: can we control myopia or is the risk of corneal compromise too great? Refinement of corneal reshaping lens designs, optimised for visual outcomes through manipulation of aberrations, will significantly benefit local contact lens manufacturing and export by expanding the existing market base. This research will also strategically position Australian lens manufacturing to capitalise on the market for myopia-control contact lenses, particularly in the As ....The future of corneal refractive reshaping: can we control myopia or is the risk of corneal compromise too great? Refinement of corneal reshaping lens designs, optimised for visual outcomes through manipulation of aberrations, will significantly benefit local contact lens manufacturing and export by expanding the existing market base. This research will also strategically position Australian lens manufacturing to capitalise on the market for myopia-control contact lenses, particularly in the Asian region. Significant intellectual property will be generated for Australia in terms of enhanced understanding of the role of manipulation of corneal shape in modulating progressive myopia. Outcomes from this project will enhance the international reputation of the UNSW research group, keeping Australian science at the forefront of this area of research.Read moreRead less
Harnessing contact lens design to optimise optics and vision through corneal refractive reshaping. Development of innovative OK lens designs to correct presbyopia and astigmatism, optimised for visual performance through manipulation of optical aberrations, will place Australian rigid contact lens manufacturing at the international forefront of OK lens production. Lens designs to control myopia progression will strategically position Australian lens manufacturing to capitalise on the potential m ....Harnessing contact lens design to optimise optics and vision through corneal refractive reshaping. Development of innovative OK lens designs to correct presbyopia and astigmatism, optimised for visual performance through manipulation of optical aberrations, will place Australian rigid contact lens manufacturing at the international forefront of OK lens production. Lens designs to control myopia progression will strategically position Australian lens manufacturing to capitalise on the potential market in Asia, where myopia is prevalent. Significant intellectual property will be generated for Australia through greater understanding of OK lens design manipulation to optimise visual outcomes. This project promises to enhance the international reputation of UNSW researchers, keeping Australian science at the forefront of this research area.Read moreRead less
Efficient organelle transformation. Chloroplasts and mitochondria are the powerhouses of plant and animal cells. Ability to express introduced genes in these organelles has enormous biotechnological potential in agriculture and medicine, but practical development has been almost stalled for 15 years by very low transformation efficiency. Plastid transformation is today routine only in tobacco; and mitochondrial transformation has been achieved only in yeasts and algae. We have developed a soluti ....Efficient organelle transformation. Chloroplasts and mitochondria are the powerhouses of plant and animal cells. Ability to express introduced genes in these organelles has enormous biotechnological potential in agriculture and medicine, but practical development has been almost stalled for 15 years by very low transformation efficiency. Plastid transformation is today routine only in tobacco; and mitochondrial transformation has been achieved only in yeasts and algae. We have developed a solution, and achieved the key technical requirements for proof of concept. This collaboration between industry, government and university partners will deliver key Australian-owned IP, for environmentally-friendly plant biofactories, and for treatment of mitochondrial genetic disorders.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0453524
Funder
Australian Research Council
Funding Amount
$321,456.00
Summary
The Centre for Advanced Light Microscopy: Equipment for in-vivo multiphoton microscopy and high-throughput confocal microscopy. The Centre for Advanced Light Microscopy was established with ARC RIEF funding and is currently experiencing overwhelming demand as the sole confocal provider for 260 researchers at multiple institutions in south-east Queensland. The present joint application of the Universities of Queensland and Southern Queensland seeks to build on the resounding success of the origi ....The Centre for Advanced Light Microscopy: Equipment for in-vivo multiphoton microscopy and high-throughput confocal microscopy. The Centre for Advanced Light Microscopy was established with ARC RIEF funding and is currently experiencing overwhelming demand as the sole confocal provider for 260 researchers at multiple institutions in south-east Queensland. The present joint application of the Universities of Queensland and Southern Queensland seeks to build on the resounding success of the original initiative by introducing state-of-the-art confocal and multiphoton applications. This powerful platform technology will allow structural and functional information to be obtained from sensitive live samples with unprecedented spatial and temporal resolution, augmenting and accelerating vital research in the biosciences.
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