Hepatitis D “virus” is a virus in name only. Underneath the hood, it more closely resembles viroids and virusoids: it is a small circular RNA that, due to high sequence complementarity, folds ...

Figure 2. Characterization and quantification of the viral RNA. A: 3D structure of the ds RNA filament obtained by Amira Software. Yellow: membrane, Red: RNA and blue: neck complex base.

In a recent study posted to the bioRxiv* preprint server, researchers designed two dumbbell-1 (DB-1) mutant Zika virus (ZIKV) infectious clones termed ZIKV-TL.PK and ZIKV-p.2.5’.

Kush Coshic, Christopher Maffeo, David Winogradoff, Aleksei Aksimentiev. The structure and physical properties of a packaged bacteriophage particle. Nature, 2024; DOI: 10.1038/s41586-024-07150-4 ...