Cellular Gene Regulation Networks. The benefit to Australia will be scientific in terms of providing an understanding of how cells integrate transcriptional control systems and the networks that are involved. This will inform research on folate deficiency and aberrant human development and towards identifying genes that are important in improving efficiency of microbial fermentations. Additional and more practical major benefits will follow from the development of tools to analyse interaction ....Cellular Gene Regulation Networks. The benefit to Australia will be scientific in terms of providing an understanding of how cells integrate transcriptional control systems and the networks that are involved. This will inform research on folate deficiency and aberrant human development and towards identifying genes that are important in improving efficiency of microbial fermentations. Additional and more practical major benefits will follow from the development of tools to analyse interactions between control systems, including software of value to the research community. The work will provide postgraduate students with major training in up-to-date genomic technologies, and in the interface between application of bioinformatics and experimental science.
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Elucidating the genetic basis of newly evolved metabolic functions in yeast. Elucidating the genetic basis of newly evolved metabolic functions in yeast. This project intends to research how complex metabolic pathways originate and evolve. This project will use cutting edge genome sequencing and molecular techniques to elucidate the heritable genetic basis of Baker’s yeast, which has been the selectively evolved to use xylose as a sole carbon source: something vital for second generation biofuel ....Elucidating the genetic basis of newly evolved metabolic functions in yeast. Elucidating the genetic basis of newly evolved metabolic functions in yeast. This project intends to research how complex metabolic pathways originate and evolve. This project will use cutting edge genome sequencing and molecular techniques to elucidate the heritable genetic basis of Baker’s yeast, which has been the selectively evolved to use xylose as a sole carbon source: something vital for second generation biofuel production that wild yeast cannot do. This project will combine detailed molecular characterisation of highly adapted yeast strains with a novel "molecular palaeontology" approach to trace the evolutionary process and identify functionally significant loci under selection. Detailed characterisation of this trait will accelerate the development of future yeast strains and test fundamental evolutionary theories.Read moreRead less
Evolution and ecology of integron gene cassettes: exploring the protein universe. Bacteria rapidly adapt to new conditions by sharing diverse genes via lateral genetic transfer, best illustrated by the spread of antibiotic resistance. This study will characterise mobile genes, discovering new gene families and proteins, and will expand existing knowledge of bacterial evolution.
Metabolic engineering of Zymomonas mobilis for higher value fermentation products. This project will provide an opportunity to revolutionise the Australian chemical and sugar industries. Unlike the traditional methods of the petrochemical industry, bioconversion of carbohydrates to chemicals such as succinic acid via fermentation is cosiderably environmental friendly. For the sugar industry this project will provide an opportunity to produce not only conventional sugar products but also high val ....Metabolic engineering of Zymomonas mobilis for higher value fermentation products. This project will provide an opportunity to revolutionise the Australian chemical and sugar industries. Unlike the traditional methods of the petrochemical industry, bioconversion of carbohydrates to chemicals such as succinic acid via fermentation is cosiderably environmental friendly. For the sugar industry this project will provide an opportunity to produce not only conventional sugar products but also high value commodities via the process integration of succinic acid production using agricultural residues such as bagasse. This will contribute to significant levels of job creation in Australia, and further benefits will be that such products will be important both for import replacement and export potential.Read moreRead less
Metabolic engineering to develop recombinant Zymomonas mobilis for the production of fuel ethanol and fermentation chemicals. This project will provide an opportunity to revolutionise the Australian chemical and sugar industries. Unlike the traditional methods of the petrochemical industry, bioconversion of carbohydrates to chemicals, such as succinic acid via fermentation is more considerably environmentally friendly. For the sugar industry this project will provide an opportunity to produce no ....Metabolic engineering to develop recombinant Zymomonas mobilis for the production of fuel ethanol and fermentation chemicals. This project will provide an opportunity to revolutionise the Australian chemical and sugar industries. Unlike the traditional methods of the petrochemical industry, bioconversion of carbohydrates to chemicals, such as succinic acid via fermentation is more considerably environmentally friendly. For the sugar industry this project will provide an opportunity to produce not only conventional sugar products but also high value commodities via the process integration of succinic acid production using agricultural residues, such as bagasse. This will contribute to significant levels of job creation in Australia, with the further benefit that such products will be important for both import replacement and export potential.Read moreRead less
Exploration of a mechanistic link between eukaryotic transcription and translation. Gene transcription is functionally coupled to other aspects of eukaryotic mRNA metabolism, emphasizing a need for integrated approaches to analyse the gene expression pathway. We have shown in previous work that yeast cells, when responding to external stimuli, show a tight correlation between changes in the transcriptome composition and homodirectional alterations in the translation state of mRNAs. This phenomen ....Exploration of a mechanistic link between eukaryotic transcription and translation. Gene transcription is functionally coupled to other aspects of eukaryotic mRNA metabolism, emphasizing a need for integrated approaches to analyse the gene expression pathway. We have shown in previous work that yeast cells, when responding to external stimuli, show a tight correlation between changes in the transcriptome composition and homodirectional alterations in the translation state of mRNAs. This phenomenon of ?potentiation? may serve to amplify signal-induced changes in the transcriptome at the translational level. This project will begin to unravel the molecular mechanisms underlying potentiation using experiments designed to distinguish between transcription- and translation-driven mechanisms.Read moreRead less
The biology of integrons and their role in bacterial adaptation. Bacteria evolve in ways that animals and plants do not. One of the tools available is the ability to share genes amongst individuals in a community. One example of this is the very rapid spread of antibiotic resistance genes in pathogens. Here we will be studying a genetic element that greatly contributes to this horizontal spread of genes. This will lead to a better understanding of how bacteria work, the direct benefits of whic ....The biology of integrons and their role in bacterial adaptation. Bacteria evolve in ways that animals and plants do not. One of the tools available is the ability to share genes amongst individuals in a community. One example of this is the very rapid spread of antibiotic resistance genes in pathogens. Here we will be studying a genetic element that greatly contributes to this horizontal spread of genes. This will lead to a better understanding of how bacteria work, the direct benefits of which includes the discovery of new pathways and genes for the biotechnology industry and greater understanding of how bacteria cause disease in us, other animals and in commercial crops.Read moreRead less
Role of mRNA polyadenylation control in gene expression. Several benefits would come from a more complete understanding of the function of the messenger RNA poly(A) tail. It is frequently targeted by mechanisms that control cellular protein synthesis. This is most evident in developmental biology, where tail length control regulates maternal mRNA expression. Our previous work suggests that it has much wider importance for cellular function than previously thought and thus its study will produce ....Role of mRNA polyadenylation control in gene expression. Several benefits would come from a more complete understanding of the function of the messenger RNA poly(A) tail. It is frequently targeted by mechanisms that control cellular protein synthesis. This is most evident in developmental biology, where tail length control regulates maternal mRNA expression. Our previous work suggests that it has much wider importance for cellular function than previously thought and thus its study will produce knowledge of broad relevance to modern life sciences and its applications in medicine and biotechnology. Finally, a better understanding of yeast cellular biology is of benefit to the food and biotechnology sector of industry.Read moreRead less
Determining the sequence of events during eukaryotic translation initiation. Multiple benefits will arise from a more complete understanding of translation initiation. It is a frequent target for mechanisms that control gene expression and its dys-regulation is associated with human disease. For example, this is evident in cancer biology, since altered translation is a frequent cause of tumorigenesis. Translation is of universal importance for cellular function and knowledge of how it works is c ....Determining the sequence of events during eukaryotic translation initiation. Multiple benefits will arise from a more complete understanding of translation initiation. It is a frequent target for mechanisms that control gene expression and its dys-regulation is associated with human disease. For example, this is evident in cancer biology, since altered translation is a frequent cause of tumorigenesis. Translation is of universal importance for cellular function and knowledge of how it works is central to modern life sciences and its application to medical and biotechnological problems. Finally, a better understanding of yeast cellular biology is of benefit to the food and biotechnology sector of industry.Read moreRead less
A functional genomic approach for understanding metal ion adaptation in marine cyanobacteria. Unicellular marine cyanobacteria constitute 20-40% of total marine chlorophyll biomass and carbon fixation, and hence significantly impact the global carbon cycle and are very relevant to combating global warming. This research will reveal some of the major mechanisms by which marine cyanobacteria have adapted to metal levels in coastal and oligotrophic environments. Thus these results will help us und ....A functional genomic approach for understanding metal ion adaptation in marine cyanobacteria. Unicellular marine cyanobacteria constitute 20-40% of total marine chlorophyll biomass and carbon fixation, and hence significantly impact the global carbon cycle and are very relevant to combating global warming. This research will reveal some of the major mechanisms by which marine cyanobacteria have adapted to metal levels in coastal and oligotrophic environments. Thus these results will help us understand the distribution and diversity of these organisms in relation to global primary productivity. They will also lead to the development of more robust biomarkers for metal stress and pollution in coastal environments.Read moreRead less