CULTURE

Bacteria That Makes Gold? It’s Not Science Fiction Anymore aka (Don’t Invest)

Turns out, nature has its own little alchemists: bacteria that can produce gold. New research from Martin Luther University Halle-Wittenberg in Germany has uncovered a microbe that doesn’t just survive in toxic, gold-rich environments—it actually thrives and produces gold nuggets. The findings, published in the journal Metallomics, are turning heads in both the scientific and financial worlds.

The star of the show is Cupriavidus metallidurans, a metal-loving bacterium that has a unique way of processing heavy metals like copper and gold. According to Dr. Dietrich H. Nies, one of the lead researchers, these bacteria convert toxic gold compounds into metallic gold through a complex chemical process. Essentially, the bacteria ingest toxic gold and spit out tiny gold nuggets, making them nature’s tiny goldsmiths.

So, how does it work? The bacteria have evolved to handle toxic environments by detoxifying the metals around them. When they encounter gold, they reduce gold ions into pure, metallic gold, creating minuscule nuggets along the way. This discovery doesn’t just open the door to wild sci-fi dreams of microbial gold mining; it also sheds light on how gold deposits form in nature.

While the idea of bacteria spinning gold is fascinating, it’s not quite time to start farming microbes for your next investment. The process is still incredibly slow and not yet viable on an industrial scale. But as Dr. Nies notes, this research could inspire new ways of thinking about both bioremediation—using microbes to clean up polluted environments—and how we source precious metals in the future.

So, there you have it: in the world of nature’s quirks, bacteria have just added ‘gold production’ to their résumés. Who knew the tiniest organisms on Earth could be the next big thing in gold mining?

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