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Aherfi S, Colson P, La Scola B, et al. Giant Viruses of Amoebas: An Update. Front Microbiol. 2016;7:349doi: 10.3389/fmicb.2016.00349.
Aherfi, S., Colson, P., La Scola, B., & Raoult, D. (2016). Giant Viruses of Amoebas: An Update. Frontiers in microbiology, 7349. https://doi.org/10.3389/fmicb.2016.00349
Aherfi, Sarah, et al. "Giant Viruses of Amoebas: An Update." Frontiers in microbiology vol. 7 (2016): 349. doi: https://doi.org/10.3389/fmicb.2016.00349
Aherfi S, Colson P, La Scola B, Raoult D. Giant Viruses of Amoebas: An Update. Front Microbiol. 2016 Mar 22;7:349. doi: 10.3389/fmicb.2016.00349. eCollection 2016. PMID: 27047465; PMCID: PMC4801854.
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Front Microbiol. 2016 Mar 22;7:349. doi: 10.3389/fmicb.2016.00349. eCollection 2016.

Giant Viruses of Amoebas: An Update.

Frontiers in microbiology

Sarah Aherfi, Philippe Colson, Bernard La Scola, Didier Raoult

Affiliations

  1. Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes, UM63 Centre National de la Recherche Scientifique 7278 Institut de Recherche pour le Développement 198 Institut National de la Santé et de la Recherche Médicale U1095, Aix-Marseille UniversitéMarseille, France; Institut Hospitalo-Universitaire Méditerranée Infection, Assistance Publique-Hôpitaux de Marseille, Centre Hospitalo-Universitaire Timone, Pôle des Maladies Infectieuses et Tropicales Clinique et Biologique, Fédération de Bactériologie-Hygiène-VirologieMarseille, France.

PMID: 27047465 PMCID: PMC4801854 DOI: 10.3389/fmicb.2016.00349

Abstract

During the 12 past years, five new or putative virus families encompassing several members, namely Mimiviridae, Marseilleviridae, pandoraviruses, faustoviruses, and virophages were described. In addition, Pithovirus sibericum and Mollivirus sibericum represent type strains of putative new giant virus families. All these viruses were isolated using amoebal coculture methods. These giant viruses were linked by phylogenomic analyses to other large DNA viruses. They were then proposed to be classified in a new viral order, the Megavirales, on the basis of their common origin, as shown by a set of ancestral genes encoding key viral functions, a common virion architecture, and shared major biological features including replication inside cytoplasmic factories. Megavirales is increasingly demonstrated to stand in the tree of life aside Bacteria, Archaea, and Eukarya, and the megavirus ancestor is suspected to be as ancient as cellular ancestors. In addition, giant amoebal viruses are visible under a light microscope and display many phenotypic and genomic features not found in other viruses, while they share other characteristics with parasitic microbes. Moreover, these organisms appear to be common inhabitants of our biosphere, and mimiviruses and marseilleviruses were isolated from human samples and associated to diseases. In the present review, we describe the main features and recent findings on these giant amoebal viruses and virophages.

Keywords: 4th TRUC; Acanthamoeba; Megavirales; amoeba; giant virus; mimivirus; virophage

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