A hydromedusa spreads its luminescent tentacles in the Weddell Sea near Antarctica.

南极洲附近的威德尔海域，一只螅展着它发光的触角。

Consequently RNA interference was observed is eukaryotic organisms including fungi, Arabidopsis,C. elegans, trypanosomes, hydra, planaria, Drosophila, zabrafish, and mouse.

到目前为止在真菌、拟南芥、线虫、锥虫、螅、涡虫、果蝇、斑马、小鼠等真核生物中都发现存在这一基因沉默机制。