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Evolutionary biomedicine: genetic pathologies as selection agents in three model systems. Our environment is changing at a rate never seen before, rendering organisms 'maladapted' if they cannot evolve quickly enough - that is, there will be a mismatch between their genes and the environment in which they evolved. Humans are the most extreme example; maladaptation in modern society elevates risk of cancer, heart disease and psychological disorders (e.g., anxiety probably evolved to help escape p ....Evolutionary biomedicine: genetic pathologies as selection agents in three model systems. Our environment is changing at a rate never seen before, rendering organisms 'maladapted' if they cannot evolve quickly enough - that is, there will be a mismatch between their genes and the environment in which they evolved. Humans are the most extreme example; maladaptation in modern society elevates risk of cancer, heart disease and psychological disorders (e.g., anxiety probably evolved to help escape predators). I bring together two research areas that aim to explain what causes maladaptation - reproductive medicine and evolutionary biology. Results from this research will help us better understand genetic disease, future health hazards, and predict risk factors of extinction.Read moreRead less
The Geometry of Genetic Limits to Evolutionary Change. Genetic limits to evolutionary change are a fundamental issue for plant and animal improvement, as well as understanding how natural populations may respond to human-induced changes such as habitat degradation and climate change. Because we still know very little about how genetic variation is distributed among the multiple traits that are likely to respond to selection in such circumstances, we have no way of directly measuring the evoluti ....The Geometry of Genetic Limits to Evolutionary Change. Genetic limits to evolutionary change are a fundamental issue for plant and animal improvement, as well as understanding how natural populations may respond to human-induced changes such as habitat degradation and climate change. Because we still know very little about how genetic variation is distributed among the multiple traits that are likely to respond to selection in such circumstances, we have no way of directly measuring the evolutionary potential of any natural population. In this proposal, we develop the theory, statistical tools, and experimental designs to investigate the nature and prevalence of these multivariate genetic constraints.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0561251
Funder
Australian Research Council
Funding Amount
$150,887.00
Summary
Facility for Analyses of Evolutionary Immunology. Our understanding of how selection in natural populations shape (favour and disfavour) immunity, and how this process contribute to organismal (including human) fitness, is rudimentary. In order to study such processes our collective experience strongly suggests and increasing need for geographic amalgamation of necessary and complementary molecular and biomedical techniques. We therefore request funding to establish a collaborative research labo ....Facility for Analyses of Evolutionary Immunology. Our understanding of how selection in natural populations shape (favour and disfavour) immunity, and how this process contribute to organismal (including human) fitness, is rudimentary. In order to study such processes our collective experience strongly suggests and increasing need for geographic amalgamation of necessary and complementary molecular and biomedical techniques. We therefore request funding to establish a collaborative research laboratory in a novel research field - Evolutionary Immuno-Ecology- in which all vital aspects, from a mechanistic to an evolutionary level, can be studied at one research centre.Read moreRead less
MULTIVARIATE QUANTITATIVE GENETICS AND THE LEK PARADOX. This research program as the potential to change the way evolutionary biologists view how selection changes the available patterns of genetic variance and covariance. In particular, it will highlight the possibility that a lack of genetic variance in multi-trait systems may be an important mechanism that limits the response to selection. It is therefore addresses a fundamental problem in quantitative genetics that underlies selection li ....MULTIVARIATE QUANTITATIVE GENETICS AND THE LEK PARADOX. This research program as the potential to change the way evolutionary biologists view how selection changes the available patterns of genetic variance and covariance. In particular, it will highlight the possibility that a lack of genetic variance in multi-trait systems may be an important mechanism that limits the response to selection. It is therefore addresses a fundamental problem in quantitative genetics that underlies selection limits in evolution and agriculture.Read moreRead less
Evolutionary venomics: Venom system diversification in the animal kingdom. This proposal represents a tremendous opportunity for biodiscovery from the Australian toxic fauna. This will be achieved through the researcher's unique approach of investigating previously unmapped venom systems for divergent, bioactive proteins. An understanding of venomous animal protein evolution has practical implications for the treatment of envenomations - an enormous problem in Australia - as well as great pot ....Evolutionary venomics: Venom system diversification in the animal kingdom. This proposal represents a tremendous opportunity for biodiscovery from the Australian toxic fauna. This will be achieved through the researcher's unique approach of investigating previously unmapped venom systems for divergent, bioactive proteins. An understanding of venomous animal protein evolution has practical implications for the treatment of envenomations - an enormous problem in Australia - as well as great potential in drug discovery and other commercial applications. This project will provide Australian graduate and post-graduate students with finely tuned skills in cutting edge methodological techniques and a fluent understanding of molecular evolution, preparing them to be internationally competitive scientists.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0989589
Funder
Australian Research Council
Funding Amount
$550,000.00
Summary
A massively parallel genome analysis facility for the ACT region. Maintaining a healthy environment, supporting a sustainable agriculture industry and providing excellent healthcare are three key requirements for the future of Australia and Australians. Modern biological research has a major role to play in all three areas. The success and application of this research requires a serious investment in the new technologies that enable a systems-wide high throughput approach to biological questions ....A massively parallel genome analysis facility for the ACT region. Maintaining a healthy environment, supporting a sustainable agriculture industry and providing excellent healthcare are three key requirements for the future of Australia and Australians. Modern biological research has a major role to play in all three areas. The success and application of this research requires a serious investment in the new technologies that enable a systems-wide high throughput approach to biological questions. Co-investing in a massively parallel genome analysis facility to underpin cutting edge environmental, agricultural and biomedical research in the ACT region, will facilitate progress in areas of the utmost importance to the community and future of the nation.Read moreRead less
Convergent Evolution of Desert Lizards: Phylogenomic and Morphological Analyses of Limb Development. Evolutionary convergence, where similar traits evolve independently in multiple lineages, is a fundamental biological process, which affects many aspects of an organism's morphology. Despite its importance we don't understand what underlies the convergence we observe in nature - does convergence in genetic make-up underlie convergence in morphology? We will investigate whether similar hindlimb mo ....Convergent Evolution of Desert Lizards: Phylogenomic and Morphological Analyses of Limb Development. Evolutionary convergence, where similar traits evolve independently in multiple lineages, is a fundamental biological process, which affects many aspects of an organism's morphology. Despite its importance we don't understand what underlies the convergence we observe in nature - does convergence in genetic make-up underlie convergence in morphology? We will investigate whether similar hindlimb morphologies are determined by the same genetic mechanisms in iguanian lizards of Australia and North America. Our study will be the first of its kind in vertebrates and will provide significant information about the evolutionary link between an animal's morphology and its genetic make-up.Read moreRead less
Genetical Genomics of Mutational Variance. Mutation is the ultimate source of all genetic variation. Understanding the nature of mutation, its frequency, the distribution of effects, and the forces of selection that remove mutational load from populations is therefore a central concern of genetics. The accumulation of mutational load both in endangered species and human populations, where the natural forces of selection tend not to operate, has the potential to create serious problems in these p ....Genetical Genomics of Mutational Variance. Mutation is the ultimate source of all genetic variation. Understanding the nature of mutation, its frequency, the distribution of effects, and the forces of selection that remove mutational load from populations is therefore a central concern of genetics. The accumulation of mutational load both in endangered species and human populations, where the natural forces of selection tend not to operate, has the potential to create serious problems in these populations. The goal is to understand what types of mutations are targeted by selection at the gene expression level and why.Read moreRead less
The Genomic Dimensionality of the Response to Natural Selection. Many future advances in agriculture and medicine, as well as an understanding of adaptive evolution in natural and pest populations will require discovering the genes that regulate the expression of complex traits. Microarray technology is at the forefront of modern genomics, but despite its promise, is currently restricted in its utility by significant analytical problems associated with the analysis of the large number of gene ex ....The Genomic Dimensionality of the Response to Natural Selection. Many future advances in agriculture and medicine, as well as an understanding of adaptive evolution in natural and pest populations will require discovering the genes that regulate the expression of complex traits. Microarray technology is at the forefront of modern genomics, but despite its promise, is currently restricted in its utility by significant analytical problems associated with the analysis of the large number of gene expression profiles and their interpretation. Analytical approaches will be developed that will substantially enhance the ability of transcriptional profiling to effectively uncover key genes underlying important phenotypes of interest across the biological and medical sciences.Read moreRead less
Does divergent natural selection drive the early stages of speciation? Australia is a megadiverse country containing more than one million species, including many endemic and endangered species. Nonetheless, human driven activities, including climate change and the introduction of invasive pests, threaten Australia's biodiversity and economic wealth. This project will test how species diversify in response to environmental differences and will provide resources to compliment efforts to better un ....Does divergent natural selection drive the early stages of speciation? Australia is a megadiverse country containing more than one million species, including many endemic and endangered species. Nonetheless, human driven activities, including climate change and the introduction of invasive pests, threaten Australia's biodiversity and economic wealth. This project will test how species diversify in response to environmental differences and will provide resources to compliment efforts to better understand the destructive effects of interbreeding between native and invasive plants. Information on the role of the environment on the origin of new species will help us manage Australia's unique biodiversity. This project will provide research training opportunities in ecology, genetics, and molecular biology.Read moreRead less