Further Genetic and Molecular studies of an Important Prokaryotic Regulator Protein TyrR. Genomes encode many functions whose expression varies dramatically depending on particular cellular environments. Special proteins called Regulator Proteins act as sensors to detect subtle changes in the environment and, in response, to influence the expression of certain genes either dampening them down or stimulating their activity. We are working with the TyrR regulator protein of the simple bacterium E ....Further Genetic and Molecular studies of an Important Prokaryotic Regulator Protein TyrR. Genomes encode many functions whose expression varies dramatically depending on particular cellular environments. Special proteins called Regulator Proteins act as sensors to detect subtle changes in the environment and, in response, to influence the expression of certain genes either dampening them down or stimulating their activity. We are working with the TyrR regulator protein of the simple bacterium Escherichia coli to elucidate the molecular strategies used in these controls. Because this protein controls the expression of a number of genes with diverse functions, evolution has selected equally diverse mechanisms to achieve appropriate transcriptional responses. The detailed knowledge of the E.coli genome and of the various genes regulated by TyrR make it an excellent system for such fundamental studies.Read moreRead less
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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Defining New Building Blocks for the Construction of Artificial Genetic Circuits. By characterising the components of a natural genetic switch, we will make available a set of well defined genetic building blocks for construction of rationally designed biological circuits. The ability to build such circuits would have significant economic benefit in areas such as metabolic engineering, to improve the efficiency of production of natural compounds from micro-organisms, and in biomedicine, for the ....Defining New Building Blocks for the Construction of Artificial Genetic Circuits. By characterising the components of a natural genetic switch, we will make available a set of well defined genetic building blocks for construction of rationally designed biological circuits. The ability to build such circuits would have significant economic benefit in areas such as metabolic engineering, to improve the efficiency of production of natural compounds from micro-organisms, and in biomedicine, for the controlled release of therapeutic compounds. The involvement of Honours and Ph.D students in this project will expose the next generation of Australian scientists to this emerging discipline. International collaboration leading to publications in high impact scientific journals will enhance Australia's scientific reputation.Read moreRead less
Unlocking the secrets of metabolic variation in a highly diverse bacterium. This project aims to explore metabolic diversity of Klebsiella pneumoniae, a bacterium relevant to the agricultural, veterinary, medical and biotechnology industries. It is expected to reveal significant insights into the biology of this diverse organism via an innovative combination of DNA sequence analyses and metabolic modelling. Expected outcomes include 4500 novel metabolic models and a novel population metabolic fr ....Unlocking the secrets of metabolic variation in a highly diverse bacterium. This project aims to explore metabolic diversity of Klebsiella pneumoniae, a bacterium relevant to the agricultural, veterinary, medical and biotechnology industries. It is expected to reveal significant insights into the biology of this diverse organism via an innovative combination of DNA sequence analyses and metabolic modelling. Expected outcomes include 4500 novel metabolic models and a novel population metabolic framework. This should provide major benefits for understanding bacterial ecology and evolution, and for future studies seeking to optimise industrial processes or prevent disease. It will also directly contribute to building Australia’s capacity in computational biology- a key driver of biotechnology innovation.Read moreRead less
Phasevarions of Haemophilus influenzae: mechanisms and origins of a novel epigenetic system controlling coordinated random switching in expression of multiple genes. Central to the utilisation of biological information is our ability to identify and interpret DNA sequence information from genomes. In bacteria that cause disease, these investigations can identify key aspects of the infectious process or potential components of vaccines or new targets for antibiotics. Our recent work has identifie ....Phasevarions of Haemophilus influenzae: mechanisms and origins of a novel epigenetic system controlling coordinated random switching in expression of multiple genes. Central to the utilisation of biological information is our ability to identify and interpret DNA sequence information from genomes. In bacteria that cause disease, these investigations can identify key aspects of the infectious process or potential components of vaccines or new targets for antibiotics. Our recent work has identified a new genetic system, the 'phasevarion', that mediates random expression of multiple genes. The proposed research aims to advance our understanding of gene expression at the most basic level, revealing how bacteria generate diverse populations to evade environmental and immune stresses, and facilitating improved interpretation and use of DNA sequences for researchers and industry in this field.Read moreRead less
Special Research Initiatives - Grant ID: SR0354745
Funder
Australian Research Council
Funding Amount
$20,000.00
Summary
International Network for Genomics of the Root-Soil Interface (INGORSI). INGORSI brings together a new group of leading Australian and International researchers with common interests in the application of bioinformatics and genomics to understanding the root-soil interface, particularly the microbiology of this interface. The Network will communicate via a novel ?virtual? seminar room, with a research focus on molecular signals between organisms and plants of the rhizosphere that promote or pre ....International Network for Genomics of the Root-Soil Interface (INGORSI). INGORSI brings together a new group of leading Australian and International researchers with common interests in the application of bioinformatics and genomics to understanding the root-soil interface, particularly the microbiology of this interface. The Network will communicate via a novel ?virtual? seminar room, with a research focus on molecular signals between organisms and plants of the rhizosphere that promote or prevent plant growth, and also potentially impact human health. The network will facilitate high quality basic science, with linked programs that promote its application, to produce outcomes of benefit to plant crops, human health and sustainable agriculture.Read moreRead less
Evolution and mechanisms of interactions in biofilm communities. This project aims to study the long-term experimental evolution of a mixed species bacterial biofilm community. This project expects to gain understanding of the genetic and physiological basis of community evolution. Expected outcomes of this project will be an understanding of how synthetic communities evolve. This will significantly benefit the use of synthetic communities relevant to fields such as antibiotic design, biotechnol ....Evolution and mechanisms of interactions in biofilm communities. This project aims to study the long-term experimental evolution of a mixed species bacterial biofilm community. This project expects to gain understanding of the genetic and physiological basis of community evolution. Expected outcomes of this project will be an understanding of how synthetic communities evolve. This will significantly benefit the use of synthetic communities relevant to fields such as antibiotic design, biotechnology, bioremediation, and synthetic biology where evolution can be inhibited or exploited, respectively.Read moreRead less
Environmental metagenomics, metaproteomics and novel bioactives from microbial communities in Antarctic lakes. This program will derive an integrated understanding of microbial ecology which is essential for determining ways of preserving the health of the World's ecosystems. Through this, Australia will remain a world leader in Antarctic biology, strengthening Australia's reputation in technologically innovative scientific programs of global significance, training local scientists in cutting ed ....Environmental metagenomics, metaproteomics and novel bioactives from microbial communities in Antarctic lakes. This program will derive an integrated understanding of microbial ecology which is essential for determining ways of preserving the health of the World's ecosystems. Through this, Australia will remain a world leader in Antarctic biology, strengthening Australia's reputation in technologically innovative scientific programs of global significance, training local scientists in cutting edge genomic biology and fostering the interests of the international community in sciences ranging from microbial ecology to bioprospecting. Novel biodegradable enzymes will be developed to replace harsh chemicals providing environmentally friendly, cheaper and more effective agents for use in medical, biotechnological, industrial and biodefense applications.Read moreRead less
Genomic and molecular characterisation of a novel Australian leishmania pathogen. Leishmaniasis is the second most serious protozoal disease after malaria. This project will help characterise the first Leishmania species identified in Australia providing molecular tools to monitor the pathogen and a detailed assessment of any potential risk to human health. Comparative analysis with more pathogenic species will help identify genes and mechanisms that determine the progression of human disease le ....Genomic and molecular characterisation of a novel Australian leishmania pathogen. Leishmaniasis is the second most serious protozoal disease after malaria. This project will help characterise the first Leishmania species identified in Australia providing molecular tools to monitor the pathogen and a detailed assessment of any potential risk to human health. Comparative analysis with more pathogenic species will help identify genes and mechanisms that determine the progression of human disease leading to the potential identification of new drug and vaccine targets. The methodologies and expertise developed will be used will be available to other research groups working on infectious diseases.Read moreRead less