Scientists Discover Fungi That Can Freeze Water

Liquid h2o droplets. Credit: Luis Nunes Alberto / Wikimedia Commons / CC BY-SA 3.0

A caller survey has recovered that definite fungi tin trigger h2o to freeze, offering caller penetration into however microscopic beingness influences the atmosphere.

Researchers from Virginia Tech and planetary institutions identified fungal proteins that enactment arsenic crystal nucleators. These substances assistance h2o frost much easily. The findings were published successful Science Advances.

Scientists explained that axenic h2o tin stay liquid adjacent beneath freezing. However, erstwhile crystal nucleators are present, water molecules put into crystal crystals much quickly. This process plays a cardinal relation successful unreality enactment and precipitation.

Findings could reshape unreality seeding methods

The find has implications for unreality seeding, a method utilized to summation rainfall. In this process, particles are released into clouds to beforehand crystal formation. As crystal crystals grow, they go dense and autumn done the atmosphere, melting into rainfall earlier reaching the ground.

Cloud seeding has agelong relied connected metallic iodide, a worldly known for its effectiveness but besides for its toxicity. Researchers accidental fungal proteins could supply a safer and much environmentally affable alternative.

Boris A. Vinatzer, a prof successful works and biology sciences, said the situation present is to nutrient these proteins astatine a ample scale. If achieved, they could regenerate accepted materials utilized successful upwind modification.

Gene root traced to past bacterial transfer

The survey besides sheds airy connected however fungi developed this ability. Researchers recovered that the cistron liable for producing the ice-nucleating macromolecule apt came from bacteria done horizontal cistron transfer.

This benignant of cistron transportation betwixt bacteria and fungi is uncommon. Scientists judge it occurred hundreds of thousands, oregon adjacent millions, of years ago. Over time, fungi look to person modified the gene, improving its efficiency.

Scientists observe fungi that tin frost water.

A caller survey shows fungal proteins tin trigger crystal enactment successful clouds—opening doors to safer unreality seeding, amended clime models, and advances successful nutrient and aesculapian science. pic.twitter.com/IvnOmGiUnO

— Tom Marvolo Riddle (@tom_riddle2025) March 20, 2026

Using precocious DNA sequencing and computational tools, researchers identified this cistron successful fungi from the Mortierellaceae family. Although fungi person been known to trigger crystal enactment since the 1990s, the nonstop familial mechanics had remained unclear until now.

Potential uses widen beyond upwind science

The unsocial properties of fungal proteins marque them utile beyond atmospheric research. Unlike bacterial systems, which necessitate full cells, fungal proteins are released successful a purified and water-soluble form. This makes them easier to grip and safer for applicable use.

Researchers accidental these proteins could amended freezing processes successful nutrient accumulation by offering a cleanable and controlled alternative. They whitethorn besides enactment cryopreservation, wherever biologic materials specified arsenic tissues, sperm, eggs, and embryos are preserved astatine debased temperatures. By triggering crystal enactment earlier, the proteins assistance support delicate cells from damage.

Study whitethorn amended clime models

Ice enactment successful clouds besides affects however sunlight interacts with the Earth. Clouds tin bespeak radiation into abstraction oregon let it to walk through. The beingness of crystal tin displacement this balance, influencing clime patterns.

Scientists accidental identifying fungal ice-nucleating molecules could assistance measurement their beingness successful the atmosphere. This, successful turn, whitethorn amended the accuracy of clime models utilized to foretell biology change.

The probe team, including Xiaofeng Wang and Vinatzer, said the findings item the increasing relation of biologic processes successful shaping upwind and clime systems.