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How SEP-like genes determine cereal inflorescence architecture. This project aims to understand the morphological diversity of inflorescence architecture between cereal crop species. To do so, this project will identify functions and analyse the regulatory networks of conserved SEPALLATA genes (SEPs). This will enable them to determine cereal inflorescence morphogenesis of rice (branching) and barley (non-branching), representing the most important cereals. Identifying and understanding rice and ....How SEP-like genes determine cereal inflorescence architecture. This project aims to understand the morphological diversity of inflorescence architecture between cereal crop species. To do so, this project will identify functions and analyse the regulatory networks of conserved SEPALLATA genes (SEPs). This will enable them to determine cereal inflorescence morphogenesis of rice (branching) and barley (non-branching), representing the most important cereals. Identifying and understanding rice and barley SEPs, their direct targets and interactors, and how they regulate inflorescence branches and spikelets in both species is expected to provide evolutionary and developmental insights and targets to improve for crop yield. A molecular understanding of the regulatory network that underpins inflorescence shape and grain number will advance fundamental biology, and could form the basis for significant yield improvements by manipulating key points in the developmental pathway.Read moreRead less
Mastering pyrimidine editing in RNA. Many plants and animals can alter their genetic information via RNA (ribonucleic acid) editing, a process that is often essential for the growth and development of the organism. This ability provides accurate control over gene expression and has great potential as a biotechnological tool in agriculture and medicine. RNA editing could be used to switch genes on or off in biotechnological production systems with an unprecedented degree of precision, or to corre ....Mastering pyrimidine editing in RNA. Many plants and animals can alter their genetic information via RNA (ribonucleic acid) editing, a process that is often essential for the growth and development of the organism. This ability provides accurate control over gene expression and has great potential as a biotechnological tool in agriculture and medicine. RNA editing could be used to switch genes on or off in biotechnological production systems with an unprecedented degree of precision, or to correct genetic diseases. This project aims to understand two RNA editing pathways in plants, one of which is found nowhere else and likely to involve a novel enzymatic mechanism. We will use the understanding gained to develop novel RNA processing tools usable in any living organism.Read moreRead less
ARC Centre of Excellence in Plant Cell Wall Biology. The ARC Centre for Plant Cell Wall Biology will define the regulatory mechanisms that control molecular, enzymic and cellular processes involved in the synthesis, deposition, re-modelling and depolymerisation of cell wall polysaccharides of cereals and grasses. Plant cell walls represent the world's largest renewable carbon resource, but the regulatory mechanisms responsible for their synthesis and assembly are not understood. Key distinguishi ....ARC Centre of Excellence in Plant Cell Wall Biology. The ARC Centre for Plant Cell Wall Biology will define the regulatory mechanisms that control molecular, enzymic and cellular processes involved in the synthesis, deposition, re-modelling and depolymerisation of cell wall polysaccharides of cereals and grasses. Plant cell walls represent the world's largest renewable carbon resource, but the regulatory mechanisms responsible for their synthesis and assembly are not understood. Key distinguishing features of the Centre will be the international, integrative, and multidisciplinary approach towards addressing major questions in plant biology, its strategy to leverage ARC funding, and its linkages with potential national and international end-users of the fundamental scientific discoveries.Read moreRead less
Cell wall invertase regulates fruit and seed development through sugar signals, sugar transporters and plasmodesmal gating. This project seeks to understand the molecular and cellular events controlling carbohydrate allocation in fruit and seed by focusing the coupling between sugar metabolism and transport using tomato as a model. The information generated may provide technological opportunities to improve fruit and seed development hence, crop yield.
Mechanisms regulating plant cell expansion: assessing the role of aquaporins and sugar signalling. This project seeks to understand the role of water channel genes in controlling water flow into expanding plant cells by using cotton fibre as a model cell. Water flow plays critical roles in plant growth, hence yield. The information generated may provide technological opportunities for improving water flow and utilization, hence, crop yield.
IDENTIFYING CONTROL ELEMENTS IN CHLOROPLAST GENE EXPRESSION. Energy from sunlight is captured by photosynthesis in plants, providing the basis for the terrestrial food chain. This process takes place in chloroplasts, subcellular structures that derived from photosynthetic bacteria a billion years ago. Chloroplasts have their own DNA, containing genes encoding the most important photosynthetic proteins. This project aims to provide the world’s best resources for the study of chloroplast genes. In ....IDENTIFYING CONTROL ELEMENTS IN CHLOROPLAST GENE EXPRESSION. Energy from sunlight is captured by photosynthesis in plants, providing the basis for the terrestrial food chain. This process takes place in chloroplasts, subcellular structures that derived from photosynthetic bacteria a billion years ago. Chloroplasts have their own DNA, containing genes encoding the most important photosynthetic proteins. This project aims to provide the world’s best resources for the study of chloroplast genes. In the process, we will discover how these important genes are regulated to provide photosynthetic proteins in the right amounts, in the right cells, at the right time. The knowledge and resources gained will facilitate improvement of photosynthetic function in future agricultural crops.Read moreRead less
A portable RNA-editing machine. Many plants maintain an elaborate RNA-editing machine that allows them to correct accumulated errors in their organellar genomes by specifically editing the RNA transcripts of the affected genes. A portable and adaptable version of this molecular machine would have significant biotechnological value, providing the ability to correct genetic errors, and to intervene in gene regulation without permanently altering a genome. The project aims to combine molecular and ....A portable RNA-editing machine. Many plants maintain an elaborate RNA-editing machine that allows them to correct accumulated errors in their organellar genomes by specifically editing the RNA transcripts of the affected genes. A portable and adaptable version of this molecular machine would have significant biotechnological value, providing the ability to correct genetic errors, and to intervene in gene regulation without permanently altering a genome. The project aims to combine molecular and structural biology approaches to fully characterise the components of the machine, thus allowing us to reconstitute it in cell-free systems and ultimately in other organisms.Read moreRead less
Plant transfer cells: discovering regulatory mechanisms directing assembly of their ingrowth walls. Specialised transfer cells facilitate nutrient transport within plants which is essential for their growth. This project will explore how structural and functional changes are regulated to form a transfer cell. The results of this research will contribute to scientific knowledge applicable to increasing crop yield.
Evolution and specificity of alternative splicing in plants. This project aims to elucidate fundamental principles of alternative splicing, a basic mechanism that plays a vital role in several biological processes across all organisms. Plants are highly effective in adapting to varied environmental, seasonal and climatic conditions and this project aims to uncover how alternative splicing contributes to regulation of gene expression in response to developmental and environmental cues. Uncovering ....Evolution and specificity of alternative splicing in plants. This project aims to elucidate fundamental principles of alternative splicing, a basic mechanism that plays a vital role in several biological processes across all organisms. Plants are highly effective in adapting to varied environmental, seasonal and climatic conditions and this project aims to uncover how alternative splicing contributes to regulation of gene expression in response to developmental and environmental cues. Uncovering the underlying mechanisms of alternative splicing will not only advance fundamental knowledge, but also has the potential to provide tools and technologies through which sensitivities of plants to environmental stress can be potentially manipulated to benefit agriculture.Read moreRead less
Targeting root architecture to improve plant production in sub-optimal soil. This project aims to identify important missing links in the signalling pathways that connect major plant hormones in their control of root architecture, with a focus on the signalling system that helps plants cope with sub-optimal growing conditions. New discoveries in plant hormones will be applied to crops to provide a deeper understanding of root growth responses under sub-optimal conditions, and to maximise plant e ....Targeting root architecture to improve plant production in sub-optimal soil. This project aims to identify important missing links in the signalling pathways that connect major plant hormones in their control of root architecture, with a focus on the signalling system that helps plants cope with sub-optimal growing conditions. New discoveries in plant hormones will be applied to crops to provide a deeper understanding of root growth responses under sub-optimal conditions, and to maximise plant efficiency. Expected outcomes include a better understanding of signal pathways in roots, improved knowledge about how crops respond to adverse conditions, new knowledge and potential genetic resources for plant industry, and novel ideas about how to improve crop productivity.Read moreRead less