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Exploration of the propagation of transpovirons within Mimiviridae reveals a unique example of commensalism in the viral world [PDF]
ISME Journal, 2019 International audienceAcanthamoeba-infecting Mimiviridae are giant viruses with dsDNA genome up to 1.5 Mb. They build viral factories in the host cytoplasm in which the nuclear-like virus-encoded functions take place.
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Journal of Invertebrate Pathology, 2009
Mimivirus, a giant DNA virus (i.e. "girus") infecting species of the genus Acanthamoeba, was first identified in 2003. With a particle size of 0.7microm in diameter, and a genome size of 1.2Mb encoding more than 900 proteins, it is the most complex virus described to date.
Jean-Michel Claverie +2 more
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Mimivirus, a giant DNA virus (i.e. "girus") infecting species of the genus Acanthamoeba, was first identified in 2003. With a particle size of 0.7microm in diameter, and a genome size of 1.2Mb encoding more than 900 proteins, it is the most complex virus described to date.
Jean-Michel Claverie +2 more
exaly +3 more sources
Complete genome sequence of Courdo11 virus, a member of the family Mimiviridae
Virus Genes, 2013Giant viruses of amoebae were discovered 10 years ago and led to the description of two new viral families: Mimiviridae and Marseilleviridae. These viruses exhibit remarkable features, including large capsids and genomes that are similar in size to those of small bacteria and their large genetic repertoires include genes that are unique among viruses ...
Niyaz, Yoosuf +6 more
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Journal of Virology, 2022
Virophages are a group of small double-stranded DNA viruses that infect protist hosts and parasitize the viral factory of host giant/large viruses to propagate. Here, we discover a novel cell-virus-virophage (CVv) tripartite interaction system by using unicellular micro-green algae (Chlorella sp.) as eukaryotic hosts for the first time. Viral particles,
Yongjie Wang
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Virophages are a group of small double-stranded DNA viruses that infect protist hosts and parasitize the viral factory of host giant/large viruses to propagate. Here, we discover a novel cell-virus-virophage (CVv) tripartite interaction system by using unicellular micro-green algae (Chlorella sp.) as eukaryotic hosts for the first time. Viral particles,
Yongjie Wang
exaly +2 more sources
Related Giant Viruses in Distant Locations and Different Habitats: Acanthamoeba polyphaga moumouvirus Represents a Third Lineage of the Mimiviridae That Is Close to the Megavirus Lineage [PDF]
Genome Biology and Evolution, 2012 The 1,021,348 base pair genome sequence of the Acanthamoeba polyphaga moumouvirus, a new member of the Mimiviridae family infecting Acanthamoeba polyphaga, is reported. The moumouvirus represents a third lineage beside mimivirus and megavirus. Thereby, it is a new member of the recently proposed Megavirales order.
Natalya Yutin +2 more
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Journal of Virology, 2022
Parasitic virophages are small unicellular eukaryotic dsDNA viruses that rely on the viral factories of coinfecting giant/large dsDNA viruses for propagation. Presently, the identified eukaryotic hosts of isolated virophages were restricted to a free-living amoeba, Acanthamoeba polyphaga , and a widespread marine ...
Yijian Sheng +3 more
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Parasitic virophages are small unicellular eukaryotic dsDNA viruses that rely on the viral factories of coinfecting giant/large dsDNA viruses for propagation. Presently, the identified eukaryotic hosts of isolated virophages were restricted to a free-living amoeba, Acanthamoeba polyphaga , and a widespread marine ...
Yijian Sheng +3 more
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Megavirales Composing a Fourth Domain of Life: Mimiviridae and Marseilleviridae
2012The 2003 discovery of Acanthamoeba polyphaga Mimivirus led to several breakthroughs and subsequent discussions related to the evolution, origin and definition of viruses and dramatically boosted scientific interest in giant viruses. Mimivirus was the largest virus with respect to particle size and genome length, and its analysis blurred the paradigms ...
Philippe Colson, Didier Raoult
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Les virophages de Mimiviridae=The Mimiviridae virophages
Les virophages sont des petits virus à ADN possédant une capside icosaédrique de 50-60 nm et un génome de 17 à 26 Kb codant potentiellement pour une vingtaine de gènes. Ils ont été découverts associés à des grands virus à ADN appartenant à l’ordre des Megavirales, pour lesquels leur présence serait délétère.Le premier projet du travail de thèse a été ...openaire +1 more source