Editing Beneficial Single Nucleotide Polymorphisms Into The Genome: A New Approach To Genetic Disease
Funder
National Health and Medical Research Council
Funding Amount
$646,979.00
Summary
?-thalassaemia and sickle cell anaemia are red blood cell diseases caused by deficiencies in adult ?-globin, a component of oxygen-carrying haemoglobin. Interestingly there is a rare group of patients whose symptoms are reduced by naturally occurring mutations that upregulate another globin gene to compensate for defective ?-globin. We are investigating how these beneficial mutations elevate globin levels with a view to engineering them into cells of affected patients to treat these disorders.
Enhancing Grain Yield Potential and Quality of Lupin. Sustainability of wheat production in Western Australia depends on the continued use of legumes, specifically lupins, in farming systems. The low returns to growers for lupins has jeopardised these sustainable systems. This project aims to gather new information to develop novel genetic strategies to increase yield potential and modify seed composition in lupins, enhancing their commercial worth.
Design Of Cas9 Nucleases With Reduced Basal DNA Binding And Enhanced Recombinase Activity For Human Genome Engineering
Funder
National Health and Medical Research Council
Funding Amount
$385,761.00
Summary
Cas9 has recently emerged as a transformative tool for genome engineering. The enzyme is guided by a short RNA to pair with a DNA sequence of interest and to introduce a break. This DNA break becomes a substrate for repair pathways: Non-Homologous End-Joining or Homologous Recombination. The rate of HR is typically lower, limiting the efficiency of insertion of new DNA. The project aims to determine these reasons for limited rates of HR, and to improve these rates through protein engineering.
Examining The Contribution Of Mutant DNMT3a In The Development And Sustained Growth Of Acute Myeloid Leukaemia
Funder
National Health and Medical Research Council
Funding Amount
$820,880.00
Summary
Experimental models of Acute Myeloid Leukaemia (AML) have been valuable tools for studying this cancer. Recent analysis of human cancer genomes identified novel mutated gene products implicated in AML. To study the involvement of these genes in the development and sustained growth of AML, we will generate new experimental models that express the mutated forms of these newly described genes. These studies will assist in the development of improved treatments for patients with AML.
Can efficient algal variants of the photosynthetic CO2-fixing enzyme, Rubisco, be folded and assembled in functional forms in higher-plant plastids? We have shown that it is possible to alter the photosynthetic phenotype of a plant predictably and profoundly by engineering the plastid genome to replace the plant's CO2-fixing enzyme, Rubisco, with a bacterial homolog. Thus it may be possible to replace the plant enzyme with more efficient algal Rubiscos that would allow plants to grow with less l ....Can efficient algal variants of the photosynthetic CO2-fixing enzyme, Rubisco, be folded and assembled in functional forms in higher-plant plastids? We have shown that it is possible to alter the photosynthetic phenotype of a plant predictably and profoundly by engineering the plastid genome to replace the plant's CO2-fixing enzyme, Rubisco, with a bacterial homolog. Thus it may be possible to replace the plant enzyme with more efficient algal Rubiscos that would allow plants to grow with less light, less water or less fertiliser. Before such desirable changes to the plant phenotype can be realised, some complex issues of modification, folding and assembly of Rubisco subunits need to be resolved. This proposal addresses them.Read moreRead less
Germinal Centres, Rogue B Cells And The Genesis Of Immunological Diseases.
Funder
National Health and Medical Research Council
Funding Amount
$753,300.00
Summary
This study will determine how the immune system is normally prevented from producing autoantibodies that target the body's own cells and how this fails in autoimmune diseases such as lupus. Targeted studies of a newly discovered "rogue" white blood cell will also provide new clues on how autoimmune diseases arise. In addition, modeling of human immunological disease in mice via CRISPR/Cas9 mutagenesis will provide valuable new insights into their causes and potential treatments.