Discovery Early Career Researcher Award - Grant ID: DE190100085
Funder
Australian Research Council
Funding Amount
$414,864.00
Summary
Elucidating a novel mechanism for coping with harmful mutations. This project aims to improve our understanding of the complex regulatory mechanisms that increase genetic and phenotypic robustness. Survival of organisms depends on their ability to cope with genetic variation. A novel process of genetic compensation has recently been identified, producing a normal phenotype in a homozygous mutant, that would be expected to have deleterious effects. This project will reveal how compensation is ach ....Elucidating a novel mechanism for coping with harmful mutations. This project aims to improve our understanding of the complex regulatory mechanisms that increase genetic and phenotypic robustness. Survival of organisms depends on their ability to cope with genetic variation. A novel process of genetic compensation has recently been identified, producing a normal phenotype in a homozygous mutant, that would be expected to have deleterious effects. This project will reveal how compensation is achieved by examining the molecular pathways that are activated following genetic mutation. This project is expected to strengthen Australian reputation in evolutionary genetics, and in turn enhance our understanding of how organisms adapt to changing environments.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE140101728
Funder
Australian Research Council
Funding Amount
$395,220.00
Summary
The regulation and evolution of posttranscriptional gene networks. The ability of cells to regulate gene expression is key for organism development, adaptation to new environments and evolutionary changes that shape the diversity of life on Earth. This project studies the RNA binding proteins called PUFs which are central for gene expression in diverse organisms. Using cutting-edge new generation systems biology approaches, this project will study how PUF proteins regulate genes to enable metabo ....The regulation and evolution of posttranscriptional gene networks. The ability of cells to regulate gene expression is key for organism development, adaptation to new environments and evolutionary changes that shape the diversity of life on Earth. This project studies the RNA binding proteins called PUFs which are central for gene expression in diverse organisms. Using cutting-edge new generation systems biology approaches, this project will study how PUF proteins regulate genes to enable metabolic adaptation, differentiation of cell types and the evolution of new gene expression outputs in distinct biological species. The outcomes will include new insights into the regulation and evolution of posttranscriptional gene networks. Read moreRead less
The role of RNA editing by the brain-specific enzym ADAR3 in learning and memory. Higher-order cognition sets us apart from other species but how this is achieved is still under debate. The project will test the idea, strongly supported by recent genomic analyses, that subtle changes in the sequences of RNA in response to environmental stimuli underpin this extraordinary ability.
Discovery Early Career Researcher Award - Grant ID: DE120102763
Funder
Australian Research Council
Funding Amount
$375,000.00
Summary
The contribution of histone post-translational modifications to eukaryotic evolution. By comparing the complete DNA sequence of closely related species, it is possible to identify changes in DNA that account for the diversity between these species. The project will use this approach to ask whether DNA changes that influence how DNA itself is packaged into cells have contributed to the evolution of new yeast species.
Structure, Formation And Evolution Of Multiple Antibiotic And Mercury Resistance Regions In Gram-negative Bacteria
Funder
National Health and Medical Research Council
Funding Amount
$550,500.00
Summary
Antibiotic resistance and particularly resistance to several different antibiotics simultaneously is becoming alarmingly common in bacteria that cause infectious diseases in humans and animals. New antibiotics are proving slow to appear and the most obvious way to increase the effectiveness and the useful lifetime of existing antibiotics is though attempting to reduce the prevalence of resistant bacteria. This can only be done using good surveillance that allows the places where resistant bacter ....Antibiotic resistance and particularly resistance to several different antibiotics simultaneously is becoming alarmingly common in bacteria that cause infectious diseases in humans and animals. New antibiotics are proving slow to appear and the most obvious way to increase the effectiveness and the useful lifetime of existing antibiotics is though attempting to reduce the prevalence of resistant bacteria. This can only be done using good surveillance that allows the places where resistant bacteria and resistance genes are present in large numbers, e.g. in food-production animals, in hospitals, in the human gut or in the environment, to be identified. Very little data of this type is available internationally and even less for the Australian situation. Using recent knowledge of resistance genes and modern molecular techniques the work will identify which resistance genes and combinations of resistance genes confering resistance to antibbiotics used either in the clinic or administered to food-producing animals or both are found in Australian isolates. By examining multiply antibiotic resistant isolates from these two and other sources the flow of resistance genes and resistant bacteria between these two reservoirs will be tracked accurately. This will allow the sources relevant to difficult to treat or untreatable infections acquired in the hospital setting to be identified and appropriate action taken.Read moreRead less
The early marsupial embryo - a missing link in vertebrate development. Most of our knowledge of early development comes from one species, the mouse, but it is not known how similar it is to other mammals or even other vertebrates such as birds and reptiles. Using a marsupial model, the tammar wallaby, the project aims to identify mechanisms that are fundamental to mammals and those that are more evolutionarily plastic.
The role of toxin biosynthesis for marine dinoflagellates - an evolutionary ecological approach. Dinoflagellates are a group of microalgae that include coral symbionts and phytoplankton. Many species produce potent toxins that can be a problem in the aquaculture industry. This project will use novel genetic methods to investigate the evolution and ecology of toxin production in a variety of marine dinoflagellates.
Can lateral gene transfer lead to ecological innovation in eukaryotes? The role of saxitoxin in the diversification of Alexandrium. This project will determine the processes that led to the acquisition and diversification of the genetic basis for a potent neurotoxin, saxitoxin. This project will determine its impact on the evolution of the marine producing organisms and investigate novel genetic methods of toxin detection.