Unravelling nickel biopathways in tropical hyperaccumulator plants

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This project aims to unravel the ways in which hyperaccumulators work. Hyperaccumulators are plants that have the remarkable ability to concentrate up to six per cent nickel in their leaves and up to 25 per cent in their sap. These plants can be used in phytomining – a new technology to recover nickel from mining waste or contaminated land by growing and harvesting these plants and extracting nickel from their biomass. This project seeks to understand how the plants accumulate nickel by using tracers and synchrotron techniques to follow the pathways of nickel from the soil into the plants. This knowledge may help us to optimise agronomic processes affecting nickel uptake to enable successful phytomining.