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Integration of Cellular Gene Regulation Processes. This research program aims to identify specific transcriptional regulatory networks in yeast, to determine how some of these networks interact with each other and within these networks to identify the roles of genes whose functions are currently unknown. It will identify systems regulating genes concerned with one-carbon metabolism, cellular responses to oxidative stress and developmental changes associated with meiosis. It will provide a fra ....Integration of Cellular Gene Regulation Processes. This research program aims to identify specific transcriptional regulatory networks in yeast, to determine how some of these networks interact with each other and within these networks to identify the roles of genes whose functions are currently unknown. It will identify systems regulating genes concerned with one-carbon metabolism, cellular responses to oxidative stress and developmental changes associated with meiosis. It will provide a framework to test regulatory network models and to analyse the molecular basis of interactions between control systems. This research will eventually provide the ability to predict how cells respond to drugs and other environmental stimuli.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0560987
Funder
Australian Research Council
Funding Amount
$156,697.00
Summary
Robust High Resolution Gene and Protein Expression Analysis Facilities in WA. Biological research is playing an increasingly important role in keeping agriculture internationally competitive and helping to unravel the basic mechanisms underpinning plant and animal health. This collaborative research equipment will greatly enhance and extend our existing functional genomic facilities in WA, allowing robust pre-fractionation of samples for directed proteomic analysis within complex systems and al ....Robust High Resolution Gene and Protein Expression Analysis Facilities in WA. Biological research is playing an increasingly important role in keeping agriculture internationally competitive and helping to unravel the basic mechanisms underpinning plant and animal health. This collaborative research equipment will greatly enhance and extend our existing functional genomic facilities in WA, allowing robust pre-fractionation of samples for directed proteomic analysis within complex systems and allowing accurate and sensitive measurement of gene expression. Both of these are critical for analysis of low abundance components involved in signalling and regulatory functions in biological samples.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0453722
Funder
Australian Research Council
Funding Amount
$385,240.00
Summary
Collaborative Genomics, Proteomics and Metabolomics Facility for Western Australia. Plant and animal agriculture in Western Australia contributes $6billion per annum to the nation. Biotechnology is playing an increasingly important role in keeping agriculture internationally competitive, and requires investment in platform technologies to underpin basic and applied research. This collaborative project will provide state-of-the-art equipment and extend existing joint facilities that will enable ....Collaborative Genomics, Proteomics and Metabolomics Facility for Western Australia. Plant and animal agriculture in Western Australia contributes $6billion per annum to the nation. Biotechnology is playing an increasingly important role in keeping agriculture internationally competitive, and requires investment in platform technologies to underpin basic and applied research. This collaborative project will provide state-of-the-art equipment and extend existing joint facilities that will enable WA researchers to carry out high quality research on genomics, proteomics and the metabolic functioning of plants and animals. This will generate new knowledge, provide advanced training and help ensure that Australian R&D in agricultural biotechnology stays at the forefront and benefits the nation.Read moreRead less
Variable Expressivity And Epigenetic Inheritance At The Axin Fused Locus In The Mouse
Funder
National Health and Medical Research Council
Funding Amount
$242,545.00
Summary
Genes influence the way we look and variations in gene sequence can account for the differences between individuals. Family traits are often credited to gene variants that are passed down through generations of families. There is now intriguing evidence, some coming from our laboratory, that gene sequence is not the only thing we inherit from our parents. Modifications that alter the expression but not the sequence of a gene, known as epigenetic modifications can, it turns out, be inherited in m ....Genes influence the way we look and variations in gene sequence can account for the differences between individuals. Family traits are often credited to gene variants that are passed down through generations of families. There is now intriguing evidence, some coming from our laboratory, that gene sequence is not the only thing we inherit from our parents. Modifications that alter the expression but not the sequence of a gene, known as epigenetic modifications can, it turns out, be inherited in mammals. An epigenetic modification is a mark, present on some genes that determines whether the gene is expressed (switched on) or silent. Animals are thought to acquire this mark during development and it is retained throughout life except in germ cells where the mark is generally, but not always, erased. The establishment of the mark appears to be a stochastic event at the cellular level resulting in mosaic expression. The percentage of marked cells can differ from one individual to another . In theory, this could help to explain why individuals with identical genetic information, such as identical twins, can have different phenotypic characteristics. The fact that these modifications can be inherited implies that there is an alternative mode of inheritance of genetic traits which does not involve mutation but which can be carried from generation to generation in a semipermanent way. Understanding the mechanisms underlying these events is important if we wish to predict or modify the phenotype of an invidual or that of his or her offspring.Read moreRead less
Epigenetic Inheritance Through Meiosis At The Agouti Locus In Mice
Funder
National Health and Medical Research Council
Funding Amount
$182,699.00
Summary
The manifestations of many genetic traits do not conform to the rules of Mendelian inheritance. In humans, some alleles give a completely predictable phenotype, while others display a wide range of phenotypes, described as differences in penetrance and expressivity. As the phenotype associated with a particular gene in humans may be modified by the genotype at unlinked modifying loci and by environmental factors, it is difficult to determine to what extent any single factor is responsible for va ....The manifestations of many genetic traits do not conform to the rules of Mendelian inheritance. In humans, some alleles give a completely predictable phenotype, while others display a wide range of phenotypes, described as differences in penetrance and expressivity. As the phenotype associated with a particular gene in humans may be modified by the genotype at unlinked modifying loci and by environmental factors, it is difficult to determine to what extent any single factor is responsible for variability. In mice, however, a number of examples of variable expressivity have been reported in conditions where genetic background and environment have been controlled. For example, the phenotypes of mice with mutations at the agouti locus can vary substantially between genotypically identical littermates. Epigenetic modifications such as DNA methylation are known to be involved. Furthermore, the phenotypes of the offspring are related to the phenotype of the mother and recent experiments carried out in our laboratory suggest that this is the result of inheritance of the epigenetic state of the allele through the female germline. This is the first report of epigenetic inheritance at an endogenous gene in mammals. The experiments described in this project should help to clarify the mechanisms involved in variable expressivity and epigenetic inheritance. Variable expressivity in combination with epigenetic inheritance may be viewed as an alternative method of inheritance of genetic traits which does not involve DNA mutation, but which can be carried from generation to generation in a semipermanent way. Understanding the mechanisms underlying these phenomena is a challenge for contemporary genetics.Read moreRead less
Exploring the gene regulation networks governing mitochondrial biogenesis in Arabidopsis. Mitochondria, subcellular organelles that perform many functions indispensable to plant growth and productivity, are dynamic compartments whose protein complement changes dramatically during plant development and under stress. Yet, the cellular processes that regulate the production of these organelles are virtually unknown. By combining conventional approaches with an extremely powerful holistic method for ....Exploring the gene regulation networks governing mitochondrial biogenesis in Arabidopsis. Mitochondria, subcellular organelles that perform many functions indispensable to plant growth and productivity, are dynamic compartments whose protein complement changes dramatically during plant development and under stress. Yet, the cellular processes that regulate the production of these organelles are virtually unknown. By combining conventional approaches with an extremely powerful holistic method for simultaneously examining the expression patterns of every gene in the model plant Arabidopsis, this project will identify proteins that regulate mitochondrial biosynthesis and uncover the gene networks that these proteins control. The project outcomes will provide new opportunities for the rational manipulation of plant growth and productivity.Read moreRead less
The Fine Tuned Physiology of Microaerophilic Gastric Spirilla. The aim of the project is to understand the molecular basis of fundamental properties of the physiology of enterogastric spiral bacteria of the genera Campylobacter and Helicobacter. The characteristics of these obligate microaerophiles which will be investigated are their aerobic respiratory chains, the special metabolites and enzymes involved in thiol-disulphide redox balance, and their essential requirement for carbon dioxide. Mic ....The Fine Tuned Physiology of Microaerophilic Gastric Spirilla. The aim of the project is to understand the molecular basis of fundamental properties of the physiology of enterogastric spiral bacteria of the genera Campylobacter and Helicobacter. The characteristics of these obligate microaerophiles which will be investigated are their aerobic respiratory chains, the special metabolites and enzymes involved in thiol-disulphide redox balance, and their essential requirement for carbon dioxide. Microaerobes include some bacteria, archea and protozoa. Realisation of the widespread habitats and importance of microaerophiles, has led recently to a vigorous interest in understanding their physiology. Knowledge of the basic properties of microaerophily has potential applications to Environmental Microbiology, Agriculture, Industrial Microbiology, Veterinary Science and Medicine.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0230245
Funder
Australian Research Council
Funding Amount
$600,000.00
Summary
Joint controlled environment facility for research and development in plant biotechnolgy in Western Australia. The aim of this proposal is to establish a high quality, controlled-environment growth facility for plant research in Perth, jointly managed by Murdoch University and the University of Western Australia. This facility is needed urgently to support current research and new initiatives in plant molecular biology and biotechnology. It will focus on the molecular bases of plant growth and ....Joint controlled environment facility for research and development in plant biotechnolgy in Western Australia. The aim of this proposal is to establish a high quality, controlled-environment growth facility for plant research in Perth, jointly managed by Murdoch University and the University of Western Australia. This facility is needed urgently to support current research and new initiatives in plant molecular biology and biotechnology. It will focus on the molecular bases of plant growth and defence against pathogens. Outcomes include enhancement of WA plant research and its application to improved agricultural production that will benefit rural industries and promote exports. It will also facilitate postgraduate training in plant biotechnology and enhance career prospects of graduates.Read moreRead less
Cellular Responses to Adversity: Oxidative Stress and Protection Against Oxidative Damage. A deficiency in the protein haem oxygenase-1 causes severe biological consequences in animals and humans. These include decreased reproduction, retarded development, the inability of the body to handle iron, chronic inflammation and increased susceptibility to age-associated diseases. This study will determine how a deficiency of the protein alters cells at the level of genes, proteins and protein function ....Cellular Responses to Adversity: Oxidative Stress and Protection Against Oxidative Damage. A deficiency in the protein haem oxygenase-1 causes severe biological consequences in animals and humans. These include decreased reproduction, retarded development, the inability of the body to handle iron, chronic inflammation and increased susceptibility to age-associated diseases. This study will determine how a deficiency of the protein alters cells at the level of genes, proteins and protein functions. By doing so, the project will illuminate how haem oxygenase-1 alters cell functions in a beneficial way. This information will eventually assist in preventing the serious disorders associated with deficiency of haem oxygenase-1. It will also provide the basis for novel treatments to slow down age-associated diseases.Read moreRead less
Global genetic regulation of carbon metabolism in filamentous fungi. Fungi are of great importance in medicine, agriculture and industry. They are used extensively for food, antibiotic and chemical production and, increasingly, for generating cheap substrates for bioethanol. However many are serious pathogens of plants and humans. Understanding how fungi control their metabolism is of fundamental importance for their more effective use or control. This project takes advantage of a fungus that is ....Global genetic regulation of carbon metabolism in filamentous fungi. Fungi are of great importance in medicine, agriculture and industry. They are used extensively for food, antibiotic and chemical production and, increasingly, for generating cheap substrates for bioethanol. However many are serious pathogens of plants and humans. Understanding how fungi control their metabolism is of fundamental importance for their more effective use or control. This project takes advantage of a fungus that is easily studied in the laboratory by advanced genetic techniques to identify the ways in which genes are turned on and off in response to changes in the nutrients available. By comparing DNA sequences the results are readily applied to fungi of economic importance.Read moreRead less