tervapohjia

Tervapohjia is a term that has recently emerged in scientific literature to describe a distinct lineage of filamentous cyanobacteria found in high‑altitude desert soils. The genus name is derived from the Finnish words "terva" meaning "rock" and "pohja" meaning "base", reflecting the organism’s typical habitat on weathered rock surfaces. It was first formally described in a 2023 peer‑reviewed article in the journal Aquatic Microbial Ecology after researchers isolated the strains from the Atacama Desert and the Namib Desert.

The cells of Tervapohjia are elongated, with a diameter of 0.5–1.0 µm, and they form branching filaments that are surrounded by a gelatinous sheath. Unlike many cyanobacteria, species of this genus possess a unique carotenoid pigment that gives them a reddish hue. Genetic analysis indicates that Tervapohjia belongs to the family Oscillatoriaceae within the order Oscillatoriales. Phylogenetic studies suggest that it represents an early diverging branch of filamentous cyanobacteria.

Ecologically, Tervapohjia plays a role in primary production and soil stabilization in arid ecosystems. Its nitrogen‑fixing capabilities help support micro‑biodiversity in nutrient‑poor substrates. Laboratory experiments have shown that this genus can tolerate extreme desiccation and high solar radiation. Ongoing research is investigating its potential use in biotechnological applications such as biofuel production and bioremediation, as well as its response to climate‑change scenarios.