Zamilon, a novel virophage with Mimiviridae host specificity

Virophages, which are potentially important ecological regulators, have been discovered in association with members of the order Megavirales. Sputnik virophages target the Mimiviridae, Mavirus was identified with the Cafeteria roenbergensis virus, and virophage genomes reconstructed by metagenomic a...

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Veröffentlicht in:PloS one 2014-04, Vol.9 (4), p.e94923-e94923
Hauptverfasser: Gaia, Morgan, Benamar, Samia, Boughalmi, Mondher, Pagnier, Isabelle, Croce, Olivier, Colson, Philippe, Raoult, Didier, La Scola, Bernard
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container_title PloS one
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creator Gaia, Morgan
Benamar, Samia
Boughalmi, Mondher
Pagnier, Isabelle
Croce, Olivier
Colson, Philippe
Raoult, Didier
La Scola, Bernard
description Virophages, which are potentially important ecological regulators, have been discovered in association with members of the order Megavirales. Sputnik virophages target the Mimiviridae, Mavirus was identified with the Cafeteria roenbergensis virus, and virophage genomes reconstructed by metagenomic analyses may be associated with the Phycodnaviridae. Despite the fact that the Sputnik virophages were isolated with viruses belonging to group A of the Mimiviridae, they can grow in amoebae infected by Mimiviridae from groups A, B or C. In this study we describe Zamilon, the first virophage isolated with a member of group C of the Mimiviridae family. By co-culturing amoebae with purified Zamilon, we found that the virophage is able to multiply with members of groups B and C of the Mimiviridae family but not with viruses from group A. Zamilon has a 17,276 bp DNA genome that potentially encodes 20 genes. Most of these genes are closely related to genes from the Sputnik virophage, yet two are more related to Megavirus chiliensis genes, a group B Mimiviridae, and one to Moumouvirus monve transpoviron.
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subjects Acanthamoeba polyphaga
Alternate generation
Analysis
Bacteriophages - genetics
Bacteriophages - growth & development
Bacteriophages - isolation & purification
Bacteriophages - physiology
Biology and Life Sciences
Deoxyribonucleic acid
DNA
Genes
Genetic research
Genome, Viral - genetics
Genomes
Host Specificity
Life Sciences
Microbiology and Parasitology
Microscopy
Mimiviridae
Proteins
Regulators
Satellite Viruses - genetics
Satellite Viruses - growth & development
Satellite Viruses - isolation & purification
Satellite Viruses - physiology
Studies
Virology
Viruses
title Zamilon, a novel virophage with Mimiviridae host specificity
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