Structure function analysis of the NusA-RNA polymerase interaction. Genes must be turned on at the right time, at the correct level in the appropriate cell in all organisms. This project will determine the role of an essential component of the process in bacteria called NusA. The results will apply to bacteria as well as higher organisms, and also have the potential to identify a new antibiotic target.
Molecular Interactions with an antibiotic target in DNA replication. This project aims to develop and use new technologies to address mechanistic aspects of anti-bacterial compounds in development, and of the development of resistance to them. The project will focus on the sliding clamp subunit of the bacterial replicative polymerase by studying its association with many other proteins in vitro and in vivo, using novel techniques in solid-state NMR, single-molecule fluorescence and molecular mic ....Molecular Interactions with an antibiotic target in DNA replication. This project aims to develop and use new technologies to address mechanistic aspects of anti-bacterial compounds in development, and of the development of resistance to them. The project will focus on the sliding clamp subunit of the bacterial replicative polymerase by studying its association with many other proteins in vitro and in vivo, using novel techniques in solid-state NMR, single-molecule fluorescence and molecular microbiology. The outcomes are expected to be an increased understanding of bacterial DNA replication and mechanisms of antibiotic action and resistance. This project expects to generate new knowledge to assist in combatting antibiotic resistance in Gram-negative bacterial pathogens.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE150100149
Funder
Australian Research Council
Funding Amount
$590,000.00
Summary
Reaching new heights in high-resolution electron microscopy . High-resolution electron microscopy (EM): Direct electron detection cameras are a recent technological breakthrough delivering one of the greatest single advancements to the field of molecular cryo-EM. The aim of this project is to enable a 'first of a kind' cryo-EM platform in Australia enabling high-throughput atomic resolution protein structure determination. This will be achieved by integrating a state-of-the-art Gatan K2 Summit D ....Reaching new heights in high-resolution electron microscopy . High-resolution electron microscopy (EM): Direct electron detection cameras are a recent technological breakthrough delivering one of the greatest single advancements to the field of molecular cryo-EM. The aim of this project is to enable a 'first of a kind' cryo-EM platform in Australia enabling high-throughput atomic resolution protein structure determination. This will be achieved by integrating a state-of-the-art Gatan K2 Summit Direct Electron Detection camera system into the established cryo-EM facility managed by the University of Queensland node of the Australian Microscopy and Microanalysis Facility. This will offer unique and significantly improved capabilities for atomic resolution protein structure analysis, and will support a broad range of projects across the biological sciences.Read moreRead less
Roadblocks in DNA replication. This project aims to develop the technology to visualise and understand the molecular processes responsible for the faithful copying of cellular DNA in the presence of roadblocks caused by chemical pressures and competing intracellular events. Understanding this process is important as DNA replication is responsible for copying the DNA genetic blueprint of cells and is crucial to all life on earth. This project will have as key outcomes the development of novel mol ....Roadblocks in DNA replication. This project aims to develop the technology to visualise and understand the molecular processes responsible for the faithful copying of cellular DNA in the presence of roadblocks caused by chemical pressures and competing intracellular events. Understanding this process is important as DNA replication is responsible for copying the DNA genetic blueprint of cells and is crucial to all life on earth. This project will have as key outcomes the development of novel molecular visualisation technology and the first molecular description of the dynamic processes used by the DNA-replication machinery to navigate roadblocks. These outcomes should provide significant benefits including enhanced collaboration and scientific capacity in Australia.Read moreRead less
Functional Dissection of the Bacterial Replisome. This project aims to develop and use a suite of new single-molecule techniques to define how the bacterial replisome really works. The replisome is the machine that makes DNA in cells that are about to divide. Replisomes have many mechanistic challenges as they work to copy both strands of DNA at the same time. Many years of classic biochemical studies have worked out how many of these challenges are overcome. In recent years, the use of single-m ....Functional Dissection of the Bacterial Replisome. This project aims to develop and use a suite of new single-molecule techniques to define how the bacterial replisome really works. The replisome is the machine that makes DNA in cells that are about to divide. Replisomes have many mechanistic challenges as they work to copy both strands of DNA at the same time. Many years of classic biochemical studies have worked out how many of these challenges are overcome. In recent years, the use of single-molecule biophysical techniques has begun to challenge many aspects of the elegant textbook view of replisome function. This approach is expected to reveal how synthesis of the two DNA strands in different directions at the same time is coupled together and how timing mechanisms work.Read moreRead less
A functional dissection of the bacterial replisome. This project aims to study the replisome, the machine that duplicates DNA before cell division. Years of biochemical research has shown how its protein components work, but observation at the single-molecule level is needed to understand how they all work together. This project aims to combine novel single-molecule biophysical tools with state-of-the-art biochemistry to define how the bacterial replisome coordinates synthesis of the two DNA str ....A functional dissection of the bacterial replisome. This project aims to study the replisome, the machine that duplicates DNA before cell division. Years of biochemical research has shown how its protein components work, but observation at the single-molecule level is needed to understand how they all work together. This project aims to combine novel single-molecule biophysical tools with state-of-the-art biochemistry to define how the bacterial replisome coordinates synthesis of the two DNA strands and how it exchanges protein components on the fly. Expected outcomes of this project include improved understanding of a fundamental biological process, development of novel biophysical methodology, and training of the next generation of interdisciplinary scientists.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE110100078
Funder
Australian Research Council
Funding Amount
$500,000.00
Summary
Establishment of a comprehensive regional biophysical analysis facility. Interactions between molecules are needed for cells to function correctly. This facility will permit comprehensive molecular characterisation as well as research into the fundamentals of how molecules interact.