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Fig. 1 | Virology Journal

Fig. 1

From: Giant virus vs amoeba: fight for supremacy

Fig. 1

Interaction between mimivirus and marseillevirus and their host Acanthamoeba. a Mimivirus is able to infect and establish productive replication in A. castellanii trophozoites (1), but it is unable to infect cysts (2). When A. castellanii is infected by mimivirus, the expression of a serine proteinase gene is blocked (3), the encystment is hampered (4), and the infection occurs. b Vesicles containing marseilleviruses particles trigger phagocytosis in A. castellanii (1) since they fulfill the > 500 nm size requirement. Productive infection occurs and the particles may be released as individual particles or in vesicles (2). Vesicles promote infectivity and increase environmental resistance compared to single particles (3). Viral factory: VF

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