How Lichen Inspired Living Building Materials and Biocement

Cladonia rangiferina · Fungi · Arctic tundra, exposed rock faces worldwide

What if the solution to colonizing bare rock to create soil had already been perfected — by a lichen over 400 million years of evolution?

The Natural Innovation

Lichen is a symbiosis between fungus and photosynthetic algae or cyanobacteria. The fungus provides shelter and mineral access; the algae provides sugars via photosynthesis. Together they colonize bare rock — breaking down stone with acids and generating soil — in environments neither could survive alone.

The lichen lives in Arctic tundra, exposed rock faces worldwide.

In the language of biomimicry, this falls under the Process › Pioneer harsh environments category.

The Design Principle

Pairing organisms with complementary metabolisms in a single composite organism creates a unit that exceeds what either could do alone — a template for engineering mutualistic microbial consortia for industrial bioprocessing.

Human Applications

Mutualistic biofilm engineering for bioremediation of contaminated soils, biomineralization for biocement, and CO2-sequestering living building materials.

Real-world implementations include: BioMASON biocement (living bricks), Ecovative mycelium packaging (fungal-plant symbiosis), rock-bioweathering agents for soil generation.

Source: AskNature.org