Genetics and evolution of Shigella O antigens. We use genome scale sequencing techniques to sequence 26 O-antigen gene clusters from Shigella. With the seven already known, this will give sequences for every O-antigen of Shigella. This will be the first time that such set is fully sequenced. Shigella are human specific pathogens, have emerged with the evolution of humans. O-antigens are important for their life and pathogenicity. This project will greatly extend our knowledge of the genetic basi ....Genetics and evolution of Shigella O antigens. We use genome scale sequencing techniques to sequence 26 O-antigen gene clusters from Shigella. With the seven already known, this will give sequences for every O-antigen of Shigella. This will be the first time that such set is fully sequenced. Shigella are human specific pathogens, have emerged with the evolution of humans. O-antigens are important for their life and pathogenicity. This project will greatly extend our knowledge of the genetic basis and evolution of this important polymorphism. O-antigens are used for typing Shigella and also elicit strong immunity. The molecular data will help establish DNA based typing and vaccine development.Read moreRead less
Special Research Initiatives - Grant ID: SR0354702
Funder
Australian Research Council
Funding Amount
$10,000.00
Summary
Australian Microbial Resources Research Network. The Australian Microbial Resources Research Network will provide integrated access to Australian collections of microorganisms and electronic access to bioinformation databases to meet national strategic needs for microbiological resources and to support the competitive development of the life sciences and biotechnology industries in Australia. The network will promote collaborative interactions and accelerate the discovery of Australian microorg ....Australian Microbial Resources Research Network. The Australian Microbial Resources Research Network will provide integrated access to Australian collections of microorganisms and electronic access to bioinformation databases to meet national strategic needs for microbiological resources and to support the competitive development of the life sciences and biotechnology industries in Australia. The network will promote collaborative interactions and accelerate the discovery of Australian microorganisms and microbial genomic information for innovative biotechnology and create new opportunities for bioindustries. The Network will link researchers and foster the discovery and exploitation of Australian microbial resources and make these resources and associated information available for applications in research, industry and education.Read moreRead less
Development and implementation of biodiversity information for sustainable management of South Australian groundwater. Clean potable water is one of the most important resources for human health and a successful economy. Increasingly, subterranean aquifers are used for storage and recovery of water. These aquifers contain dynamic ecosystems, but little is known about species composition or about the importance of the presence of various species for water quality. We will use the latest laborator ....Development and implementation of biodiversity information for sustainable management of South Australian groundwater. Clean potable water is one of the most important resources for human health and a successful economy. Increasingly, subterranean aquifers are used for storage and recovery of water. These aquifers contain dynamic ecosystems, but little is known about species composition or about the importance of the presence of various species for water quality. We will use the latest laboratory techniques and DNA identification methods to provide a template for determining ground water diversity and food web dynamics throughout Australia. This project will lead to a better understanding of how to manage ground water in a sustainable manner.Read moreRead less
Arsenite oxidation by a novel bacterium that is a candidate for arsenic bioremediation. The arsenic munching microbe NT-26 could help in the fight to clean up arsenic-contaminated mining waste and drinking water. Arsenic poses an environmental problem in countries such as Australia, USA and Canada owing primarily to mining activities. The problem in countries such as Bangladesh and West Bengal are even more serious as these people are dying of arsenic-related diseases as they rely on water conta ....Arsenite oxidation by a novel bacterium that is a candidate for arsenic bioremediation. The arsenic munching microbe NT-26 could help in the fight to clean up arsenic-contaminated mining waste and drinking water. Arsenic poses an environmental problem in countries such as Australia, USA and Canada owing primarily to mining activities. The problem in countries such as Bangladesh and West Bengal are even more serious as these people are dying of arsenic-related diseases as they rely on water containing arsenic as their primary source of drinking water. The outcomes of this research should provide the necessary information for removing arsenic from all types of waters.Read moreRead less
Discovery Indigenous Researchers Development - Grant ID: DI0668388
Funder
Australian Research Council
Funding Amount
$87,458.00
Summary
The genetic basis for bioactivity in the traditional medicine plants of Australia. A plant species that produces a bioactive compound usually produce the compound in very small amounts. To allow for marketable levels of production of the bioactive compound, numerous amounts of plants would need to be removed from the environment. This not only removes the limited supply of possibly rare types of plants from the environment but also denies the use of this plant by traditional people. Locating and ....The genetic basis for bioactivity in the traditional medicine plants of Australia. A plant species that produces a bioactive compound usually produce the compound in very small amounts. To allow for marketable levels of production of the bioactive compound, numerous amounts of plants would need to be removed from the environment. This not only removes the limited supply of possibly rare types of plants from the environment but also denies the use of this plant by traditional people. Locating and using the genes responsible for producing these bioactive compounds will allow their sustainable biosynthesis.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
Mechanisms of action and expression of bioactive compounds produced by the surface associated marine bacterium Pseudoalteromonas tunicata. The marine surface-associated bacterium Pseudoalteromonas tunicata produces a number of bioactive metabolites that inhibit the colonisation and growth of common fouling organisms such as bacteria, fungi, algae and invertebrate larvae. The antibacterial and antifungal compounds represent novel metabolites active against a remarkable range of both medically and ....Mechanisms of action and expression of bioactive compounds produced by the surface associated marine bacterium Pseudoalteromonas tunicata. The marine surface-associated bacterium Pseudoalteromonas tunicata produces a number of bioactive metabolites that inhibit the colonisation and growth of common fouling organisms such as bacteria, fungi, algae and invertebrate larvae. The antibacterial and antifungal compounds represent novel metabolites active against a remarkable range of both medically and agriculturally important bacteria and fungi. This project aims to explore the identity, mode of action and regulation of expression of these compounds. This research proposal addresses several significant biological concepts and will lead to the development of novel environmentally friendly antifouling and antimicrobial technologies.Read moreRead less
Evolutionary and ecological complexity in an experimentally controlled environment. Understanding the capacity and mechanism of microbial evolution provides the framework for developing new strategies for preventing infectious disease. If we know how evolution works, it will be possible to hamper the capacity to evolve as a mechanism of preventing new diseases and controlling existing ones. This project will provide a mechanistic description of evolution in real time under controlled conditions. ....Evolutionary and ecological complexity in an experimentally controlled environment. Understanding the capacity and mechanism of microbial evolution provides the framework for developing new strategies for preventing infectious disease. If we know how evolution works, it will be possible to hamper the capacity to evolve as a mechanism of preventing new diseases and controlling existing ones. This project will provide a mechanistic description of evolution in real time under controlled conditions. This detailed information will be used in the education of the public and in debates about evolution. The project will also train at least five students in molecular and evolutionary microbiology, essential for facing future challenges.
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Biofertiliser technology for improved yields and environmental sustainability of rice and wheat crops. Australia faces the double challenge of improving the efficiency of its crop production while minimising the agricultural impact on its fragile biodiversity. Our project will meet this challenge by providing the technology for using natural biofertilisers in cereal crops. This will reduce our heavy reliance on chemical fertilisers - with associated soil loss, salinity and acidity, and high dema ....Biofertiliser technology for improved yields and environmental sustainability of rice and wheat crops. Australia faces the double challenge of improving the efficiency of its crop production while minimising the agricultural impact on its fragile biodiversity. Our project will meet this challenge by providing the technology for using natural biofertilisers in cereal crops. This will reduce our heavy reliance on chemical fertilisers - with associated soil loss, salinity and acidity, and high demand on scarce water resources - and significantly increase our crop yields. Our advances will help Australian farmers to reduce the costs and increase the productivity of our substantial export crops while improving their environmental sustainability.Read moreRead less
Molecular Cell Biology and Comparative Genomics Of Planctomycetes and Verrucomicrobia In Relation To Evolution Of Cytoskeletal Proteins and Membrane-bounded Compartments. Planctomycetes and verrucomicrobia are evolutionarily distinct groups of bacteria which possess unusual cell structure and which share some significant genes important in cell biology with eukaryotes e.g. in verrucomicrobia the cytoskeleton protein tubulin. These bacteria are important for understanding the transition from no ....Molecular Cell Biology and Comparative Genomics Of Planctomycetes and Verrucomicrobia In Relation To Evolution Of Cytoskeletal Proteins and Membrane-bounded Compartments. Planctomycetes and verrucomicrobia are evolutionarily distinct groups of bacteria which possess unusual cell structure and which share some significant genes important in cell biology with eukaryotes e.g. in verrucomicrobia the cytoskeleton protein tubulin. These bacteria are important for understanding the transition from non-nucleated cells with simple cell division to nucleated cells with chromosome separation via cytoskeletal protein movement.The project will compare genomes of of planctomycetes and verrucomicrobia to determine their relationship, determine whether the tubulin homolog of verrucomicrobia can form cytoskeleton structures, and characterize the cytoskeleton of ammonium-oxidizing planctomycetes used in wastewater treatment.Read moreRead less