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Photo: Masur, Public domain (via Wikimedia Commons)

Thermophilic Cyanobacterium

Thermosynechococcus elongatus

Also known as T. elongatus BP-1, Hot-spring blue-green algae

At a glance
Family
Synechococcaceae, phylum Cyanobacteria (a photosynthetic bacterium, not a flowering plant family)
Type
Thermophilic, single-celled cyanobacterium (blue-green algae)
Parts used
None. This organism has no history of culinary, medicinal, or herbal use
Size
Microscopic. Individual cells run about 1 to 2 micrometers wide and 3 to 5 micrometers long, though colonies can form visible mats in the water
Bloom
Not applicable, it produces no flowers. Under strong light and heat it can form dense blue-green mats across thermal water
Habitat
Alkaline hot springs and other thermal waters, first described from hot springs near Beppu, Japan. It thrives at temperatures around 55°C (131°F), far hotter than almost any plant could survive
Acquisition
Grow
This plant in HerbSense

Key benefits

Landmark photosynthesis research subject
Thrives in near-boiling water
Helped reveal how plants split water
Key model organism in structural biology

Traditional uses

Thermosynechococcus elongatus carries no folk tradition the way a garden herb does. It was unknown to healers, cooks, and herbalists alike until the twentieth century, when microbiologists surveying the scalding waters of Japanese hot springs found this hardy, heat-loving cyanobacterium thriving where almost nothing else could live. Its real legacy is a scientific one. Because its proteins hold up unusually well to the heat and handling required in the lab, this organism became one of the most important tools for unlocking the molecular machinery of photosynthesis, and in 2001 researchers used protein isolated from it to solve the first atomic-resolution structure of Photosystem II, the complex that lets plants, algae, and cyanobacteria split water using sunlight.

How to grow & use it

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Choose it when

For the curious mind drawn to the tiny, heat-loving engines that first taught us how sunlight becomes life.

Did you know?

Protein isolated from Thermosynechococcus elongatus was used to solve the first atomic-resolution crystal structure of Photosystem II in 2001, a discovery that finally showed scientists, molecule by molecule, how plants and algae use sunlight to split water and release the oxygen we breathe.

Safety

This is a laboratory research organism studied for photosynthesis, not a food or supplement, and it has no history of human consumption. It should never be collected from hot springs and eaten or brewed.