Sukunaarchaeum

"Candidatus Sukunaarchaeum"
Scientific classification
Domain: Archaea
Kingdom: incertae sedis
Genus:
"Ca. Sukunaarchaeum"

Harada et al., 2025
Species:
"Ca. Sukunaarchaeum mirabile"
Binomial name
"Ca. Sukunaarchaeum mirabile"
Harada et al., 2025

"Candidatus Sukunaarchaeum mirabile" (provisional name) is a species of archaea of which only the DNA is known, but which already presents several particularities: it is a holoparasite of the dinoflagellate Citharistes regius and is the first known parasitic archaean. Its DNA, the smallest known for an archaeon, codes for only proteins necessary for reproduction.