Did you know? There’s a bacteria that eats metal and poops gold

Found in soil and mining sites, Cupriavidus metallidurans survives by consuming heavy metals like copper and gold compounds.

Cupriavidus metallidurans
this metal-munching microbe plays a role in cleaning up polluted environments.

It is a tiny but extraordinary microorganism that thrives in toxic environments filled with heavy metals. While most life forms would perish in such conditions, this resilient bacterium has evolved to process and detoxify metals—turning them into solid gold in the process.

How Does It Work?

Found in soil and mining sites, Cupriavidus metallidurans survives by consuming heavy metals like copper and gold compounds. These elements are typically toxic, but this bacterium has a unique ability to convert them into harmless forms.

When exposed to gold chloride, a toxic compound found in nature, C. metallidurans uses its biochemical processes to break it down. The result? Tiny particles of pure, 24-karat gold! Scientists have even captured images of these bacteria surrounded by microscopic gold nuggets.

Why Is This Important?

This discovery isn’t just a scientific curiosity—it has exciting real-world implications. Researchers are studying how C. metallidurans could help with eco-friendly gold mining. Instead of using harsh chemicals like cyanide to extract gold from ore, scientists could harness these bacteria to do the job naturally, reducing environmental damage.

Additionally, this metal-munching microbe plays a role in cleaning up polluted environments. By absorbing and transforming heavy metals, C. metallidurans helps detoxify contaminated soil and water, making it a potential tool for bioremediation.

Could This Bacteria Revolutionise Gold Production?

While using bacteria to create gold might sound like alchemy, scientists are investigating how Cupriavidus metallidurans could be used in controlled settings to produce gold nanoparticles. These tiny gold particles are valuable in medicine, electronics, and industrial applications.

Although we’re not at the stage where bacteria can replace traditional gold mining, the potential is enormous. Imagine a future where microbes work alongside humans to extract precious metals in a way that’s both sustainable and environmentally friendly.

Nature’s Hidden Alchemist

Cupriavidus metallidurans is proof that nature is full of surprises. A bacterium that thrives on toxic metals and excretes gold might sound like science fiction, but it’s very real. As research continues, this tiny organism could change how we think about mining, pollution cleanup, and even the future of gold itself.

 

More from Qonversations

Featured

Screenshot 2025 02 03 at 11.19.32 AM

The boiling river that defies science

Featured

Hidden camera

Is your hotel room bugged? Use your smartphone to find hidden cameras

Tech

Libratus 2

Did you know? AI once beat humans at Poker

Featured

shutterstock 2229125163 Large

Who will work when robots take over?

Front of mind