Fungus searchs gold then wears it

Science

Pink, a fine mushroom found throughout the world, is literally a gold digging particle from a filament that collects precious gold thread that extends to the ground, the scientists found.

The golden sponge, called Fusarium oxysporum, not only looks fantastic; It also seems that the benefits are bling, which spreads faster and rises faster, bigger than harmless mushrooms, the researchers said in a new study.

Scientists use scanning electron microscopes to make enlarged images of F. oxysporum, collected in Western Australia, showing folds that nest with small gold particles. It is believed that fungi collect gold through chemical reactions with underground minerals; This dissolves the gold debris by oxidation and then produces another chemical to allow dissolved gold to heal the fungus thread which causes the researchers to harden.

However, it is not yet known how mushrooms identify gold and gold jewelry, although it seems conducive to an accurate mechanism to combat fungi, because the work is not clear, according to the study.

Mushrooms are one of the oldest life forms; It is believed that the oldest fossil sponge that was recently discovered in the northwest region of Canada is one billion years old. Many types of fungi decompose and recycle organic matter, and some are known for their interactions with certain metals “including aluminum, iron, manganese and calcium,” study author Tsing Bohu, a researcher at the Australian Science and Industry Research Organization (CSIRO) wrote. . ) said in a statement.

“But gold is chemically inert, so this interaction is unusual and surprising – you have to see it believe it,” Bohu said.

This is the first evidence that fungi can play a role in removing gold on the earth’s surface and can provide clues to detect underground gold reserves, the researchers said.

This will benefit the gold industry in Australia – the second largest in the world – which has taken samples of Thermit Hill and Oak Leaves for traces of gold showing larger deposits hidden underground, co-authors of the study, and Principal Investigator Ravi Anand said in a statement that.

Identification of gold buried from the surface traces of fungi, insects or trees is cheaper and harmless to the environment than the added Anand hole.

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