Illustration of a viriod. Viroids are the smallest infectious pathogens known. They are solely composed of a short strand of circular, single-stranded RNA without protein coat. All known viroids are inhabitants of higher plants, in which most cause diseases, some of which are of slight to catastrophic economic importance. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Schroeder, Monica |
Taille de l’image : | 4200 px × 2550 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |