Monotreme immune system provides insights into their evolutionary relationships. Genes of immunological importance will be cloned and characterised from the short-beaked echidna with the purpose of investigating the immune system in monotremes, gaining insights into the timing and order of evolutionary separation of the three extant mammalian groups:- the Prototherians (monotremes), the Metatherians (marsupials) and Eutherians (placentals), increasing understanding of the evolution of the verteb ....Monotreme immune system provides insights into their evolutionary relationships. Genes of immunological importance will be cloned and characterised from the short-beaked echidna with the purpose of investigating the immune system in monotremes, gaining insights into the timing and order of evolutionary separation of the three extant mammalian groups:- the Prototherians (monotremes), the Metatherians (marsupials) and Eutherians (placentals), increasing understanding of the evolution of the vertebrate immune system and providing the basis for making immunological reagents which are necessary for studying monotreme diseases (as a precautionary conservation strategy).Read moreRead less
Enhanced biocatalysis in organic solvents for pharmaceutical biotransformation. Enzymes such as hydrolases play an important role in biotechnology because of their extreme versatility with respect to substrate specificity and stereoselectivity. The use of lipases as catalysts for optical isomer-specific organic reactions is often limited by unacceptably low enantioselectivities. We will investigate recombinant enzymes cloned from thermophilic lipolytic bacteria for synthetic reactions in orga ....Enhanced biocatalysis in organic solvents for pharmaceutical biotransformation. Enzymes such as hydrolases play an important role in biotechnology because of their extreme versatility with respect to substrate specificity and stereoselectivity. The use of lipases as catalysts for optical isomer-specific organic reactions is often limited by unacceptably low enantioselectivities. We will investigate recombinant enzymes cloned from thermophilic lipolytic bacteria for synthetic reactions in organic solvents, especially chiral resolution of mixtures in the production of pharmaceutical intermediates. Genetic improvement of lipase enantiospecificity and regioselectivity will be achieved using in vitro evolution by recombination and screening. The outcome will be cost-effective production superior biocatalysts with specifically enhanced regiospecific, enantioselective and hydrolytic characteristics.
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Lungfish Paired Fins and the Origin of Limbs as an Evolutionary Novelty. This project will utilise a uniquely Australian animal, the lungfish, to address a hitherto unresolved problem of considerable scientific significance - how a fish fin evolved into a tetrapod (four-legged animal) limb. The Australian lungfish is the most primitive of the four surviving genera of lobe-finned fish and is recognised as the closest living ancestor to the tetrapods. It is listed as 'vulnerable' in its native ha ....Lungfish Paired Fins and the Origin of Limbs as an Evolutionary Novelty. This project will utilise a uniquely Australian animal, the lungfish, to address a hitherto unresolved problem of considerable scientific significance - how a fish fin evolved into a tetrapod (four-legged animal) limb. The Australian lungfish is the most primitive of the four surviving genera of lobe-finned fish and is recognised as the closest living ancestor to the tetrapods. It is listed as 'vulnerable' in its native habitat. Macquarie University, however, has the only captive breeding population of lungfish in the world. We are thus uniquely placed to address critically important questions concerning the evolution of fish into tetrapods. Read moreRead less
The mucosal immune system of fish: analysis of the immune repertoire in gut-and gill-associated lymphoid tissues in trout. Infectious disease causes major economic loss to the aquaculture industry, highlighting the need for effective vaccination strategies. While oral or immersion vaccination represents the most cost effective means of protecting fish against infectious disease there are problems associated with inducing an effective immune response in fish that will assist our industry partner ....The mucosal immune system of fish: analysis of the immune repertoire in gut-and gill-associated lymphoid tissues in trout. Infectious disease causes major economic loss to the aquaculture industry, highlighting the need for effective vaccination strategies. While oral or immersion vaccination represents the most cost effective means of protecting fish against infectious disease there are problems associated with inducing an effective immune response in fish that will assist our industry partner (Novartis Animal Vaccines Ltd) to develop improved fish vaccines. The project will provide postgraduate training in the area of fish immunology that is vital to the developing Australian aquaculture industry.Read moreRead less
New Techniques for Structural Biology and Directed Molecular Evolution. This PhD program will equip an Australian graduate with advanced training in techniques in molecular genetics and protein chemistry that are currently in high demand by the biotechnology industry, and also provide him/her with direct experience of an industrial R&D laboratory environment. Moreover, it will establish a basis for further collaboration between a leading University-based research laboratory and an established R& ....New Techniques for Structural Biology and Directed Molecular Evolution. This PhD program will equip an Australian graduate with advanced training in techniques in molecular genetics and protein chemistry that are currently in high demand by the biotechnology industry, and also provide him/her with direct experience of an industrial R&D laboratory environment. Moreover, it will establish a basis for further collaboration between a leading University-based research laboratory and an established R&D company that will lead to development of new techniques for use in biotechnology in Australia and overseas.Read moreRead less
Enantioselective nitrilases from filamentous fungi. The optical characteristics (chirality) of chemical precursors are important for many fine chemicals. Chiral intermediates are in high demand by the pharmaceutical and agrochemical industries for the preparation of bulk drug intermediates and agricultural products. Nitriles are attractive starting points but their conversion to corresponding amides and carboxylic acids generates significant wastes. Their hydrolysis can be performed under mil ....Enantioselective nitrilases from filamentous fungi. The optical characteristics (chirality) of chemical precursors are important for many fine chemicals. Chiral intermediates are in high demand by the pharmaceutical and agrochemical industries for the preparation of bulk drug intermediates and agricultural products. Nitriles are attractive starting points but their conversion to corresponding amides and carboxylic acids generates significant wastes. Their hydrolysis can be performed under mild conditions by enzymes termed nitrilases. We will work on fungal nitrilases as they present a globally attractive, yet untapped commercial target. The outcome for Applimex will be a suite of biocatalysts specific for the production of key intermediates for drug and agrochemical syntheses.Read moreRead less
Synthesis and assembly of bacterial repeat unit polysaccharides. Bacteria make an enormous range of surface polysaccharides. The complexity was first appreciated as antigenic diversity, but we now have hundreds of chemical structures and perhaps a hundred sequences of their gene clusters, but the number in nature must be many thousands. Our knowledge of gene function is growing but is not keeping up with the discovery of new sequences and structures. The aim is to determine structure and functio ....Synthesis and assembly of bacterial repeat unit polysaccharides. Bacteria make an enormous range of surface polysaccharides. The complexity was first appreciated as antigenic diversity, but we now have hundreds of chemical structures and perhaps a hundred sequences of their gene clusters, but the number in nature must be many thousands. Our knowledge of gene function is growing but is not keeping up with the discovery of new sequences and structures. The aim is to determine structure and function of key O antigen processing genes and the functions of a range of glycosyl transferases, and to use the information to generate novel gene clusters to synthesise novel polysaccharidesRead moreRead less
The genetics of resistance to devil facial tumour disease. Tasmanian devils are on the brink of extinction due to a new contagious cancer: Devil Facial Tumour Disease (DFTD). The aim of this project is to determine the genetic nature of DFTD resistance in order to directly contribute to the conservation management of this iconic and ecologically important species. This research will generate fundamental information about genetic diversity in Tasmanian devils and establish the feasibility of bree ....The genetics of resistance to devil facial tumour disease. Tasmanian devils are on the brink of extinction due to a new contagious cancer: Devil Facial Tumour Disease (DFTD). The aim of this project is to determine the genetic nature of DFTD resistance in order to directly contribute to the conservation management of this iconic and ecologically important species. This research will generate fundamental information about genetic diversity in Tasmanian devils and establish the feasibility of breeding resistant animals for release into the wild. Read moreRead less
Elucidation of bacterial glycosylytransferase specificity. The benefits are involvement in the growth area of polysaccharide research, with potential for major industrial spin off. Polysaccharides are critical in all organisms as signalling, structural and storage compounds. Bacteria make a wide variety with extensive use of unusual sugars, some with uses from oil emulsifiers to food thickeners. The project is on the enzymes that assemble bacterial polysaccharides. We are world leaders in genet ....Elucidation of bacterial glycosylytransferase specificity. The benefits are involvement in the growth area of polysaccharide research, with potential for major industrial spin off. Polysaccharides are critical in all organisms as signalling, structural and storage compounds. Bacteria make a wide variety with extensive use of unusual sugars, some with uses from oil emulsifiers to food thickeners. The project is on the enzymes that assemble bacterial polysaccharides. We are world leaders in genetics of the gene clusters especially synthesis of the unusual sugars. We now aim to fill a major gap by determining which enzymes make which bonds, leading to options for new gene combinations and novel structures. We have a lead in research in this area and Australia gains if we maintain that lead.Read moreRead less
Genetic modification and lyophilisation of microorganisms for the generation of bacteriological internal quality controls. The development of internal quality control micro-organisms in precise numbers is necessary for the evolution of standard methodology in microbiology, which until now, remains obsolete, because it relies on inaccurate methods to produce quantitative and qualitative results. The research described here is largely based on molecular techniques to genetically tag micro-organism ....Genetic modification and lyophilisation of microorganisms for the generation of bacteriological internal quality controls. The development of internal quality control micro-organisms in precise numbers is necessary for the evolution of standard methodology in microbiology, which until now, remains obsolete, because it relies on inaccurate methods to produce quantitative and qualitative results. The research described here is largely based on molecular techniques to genetically tag micro-organisms with fluorescent proteins and pigment producing enzymes, and on the manipulation of growth and storage conditions to maximize the survival of micro-organisms during lyophilisation. Successful completion and application of the proposed project through existing patents owned by BTF, will revolutionise the way microbiological tests are performed worldwide.Read moreRead less