SNAP25 and infection: Accordingly, we propose a phagocytosis-based infection strategy for BsV: As described for ApMV, BsV is ingested through the cytostome and is phagocytosed in the cytopharynx before being transported in a phagosome toward the posterior of the cell (Mutsafi et al., 2010); here the viral SNAP/SNARE interacts with the host counterparts to initiate the fusion of the inner virus membrane with the phagolysosomal membrane upon phagolysosome acidification, releasing the viral genome into the cytoplasm.