A fungus that decorates itself with gold nanoparticles might one day help us mine gold from underground deposits, sewage sludge or even e-waste.
Gold is generally very inert, which is why we love it so much, but under the ground it can be a different storyGeochemist Joel Brugger, of Monash University who was not involved in the study, said the findings offered clues about a contribution fungi make to bringing gold from deep within the Earth.Over time, erosion brings it to shallower mineable depths, but it is still tens and hundreds of metres down and this is where Professor Brugger thinks the gold-loving fungus might play a role.
"I think this is something that is really cool and that is completely new, and the data seems to be really nice," said Dr Bindschedler, who studies the interaction between fungi and metals. In particular, she likes the fact that Dr Bohu and colleagues have documented a previously unknown process in the biogeochemical cycle, which links biology, geology and chemistry."This could be a greener approach to mining gold," she said.
But don't rush out prospecting for gold-studded fungi just yet. For a start you are unlikely to actually see the delicate fungus, let alone the nanoparticles, which are only three or so nanometres wide.
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