Mitochondrial Retrograde Signalling in Plants – New Models and Analytical Approaches

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Mitochondria are essential organelles involved in energy production and various metabolic and biosynthetic pathways in plant cells. Signals from mitochondria act to regulate nuclear gene expression to coordinate mitochondrial activity with cellular activity, which is called mitochondrial retrograde signalling (MRS). To date our knowledge of the pathways and components involved in MRS is limited to a single model system. This proposal seeks to identify additional MRS pathways, characterise components of these pathways and the signals involved. This new knowledge can be used in translational research as a basis to breed plants with altered stress and growth properties.