Results 11 to 20 of about 528 (131)

Novel Virophages Discovered in a Freshwater Lake in China [PDF]

open access: yesFrontiers in Microbiology, 2016
Virophages are small double-stranded DNA viruses that are parasites of giant DNA viruses that infect unicellular eukaryotes. Here we identify a novel group of virophages, named Dishui Lake virophages (DSLVs) that were discovered in Dishui Lake (DSL): an ...
Weijia Zhang   +2 more
exaly   +6 more sources

Virophages, Satellite Viruses, Virophage Replication and Its Effects and Virophage Defence Mechanisms for Giant Virus Hosts and Giant Virus Defence Systems against Virophages [PDF]

open access: yesInternational Journal of Molecular Sciences
In this paper, the characteristics of 40 so far described virophages—parasites of giant viruses—are given, and the similarities and differences between virophages and satellite viruses, which also, like virophages, require helper viruses for replication, are described.
Wiesław Deptuła   +2 more
exaly   +4 more sources

Conserved tripartite tail proteins mediate virophage-host interactions through Synechococcus lipopolysaccharide binding [PDF]

open access: yesJournal of Virology
Virophages are small double-stranded DNA viruses that parasitize giant viruses and play crucial roles in microbial ecosystem dynamics. In this study, we investigate three evolutionarily conserved tail proteins in Dishui Lake Virophage 2 (DSLV2) that ...
Ting Chu   +12 more
doaj   +2 more sources

Zamilon, a novel virophage with Mimiviridae host specificity. [PDF]

open access: yesPLoS ONE, 2014
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 ...
Morgan Gaia   +7 more
doaj   +4 more sources

Sputnik virophage disrupts the transcriptional regulation of its host giant virus [PDF]

open access: yesJournal of Virology
Sputnik virophages are small double-stranded DNA (dsDNA) viruses that replicate only inside host amoebae infected with giant dsDNA viruses, mimiviruses.
Jingjie Chen   +2 more
doaj   +2 more sources

Virophages and retrotransposons colonize the genomes of a heterotrophic flagellate

open access: yeseLife, 2021
Virophages can parasitize giant DNA viruses and may provide adaptive anti-giant virus defense in unicellular eukaryotes. Under laboratory conditions, the virophage mavirus integrates into the nuclear genome of the marine flagellate Cafeteria burkhardae ...
Thomas Hackl   +4 more
doaj   +4 more sources

Amoebae, Giant Viruses, and Virophages Make Up a Complex, Multilayered Threesome

open access: yesFrontiers in Cellular and Infection Microbiology, 2018
Viral infection had not been observed for amoebae, until the Acanthamoeba polyphaga mimivirus (APMV) was discovered in 2003. APMV belongs to the nucleocytoplasmatic large DNA virus (NCLDV) family and infects not only A.
Christian Hammann   +2 more
exaly   +3 more sources

Virophages of Giant Viruses: An Update at Eleven [PDF]

open access: yesViruses, 2019
The last decade has been marked by two eminent discoveries that have changed our perception of the virology field: The discovery of giant viruses and a distinct new class of viral agents that parasitize their viral factories, the virophages.
Said Mougari   +4 more
doaj   +4 more sources

Virophages and Their Interactions with Giant Viruses and Host Cells [PDF]

open access: yesProteomes, 2018
Virophages are small dsDNA viruses that were first isolated in association with some giant viruses (GVs), and then found in metagenomics samples. They encode about 20–34 proteins.
Haitham Sobhy
doaj   +3 more sources

The Discovery of a New Mimivirus Isolate in Association with Virophage-Transpoviron Elements in Brazil Highlights the Main Genomic and Evolutionary Features of This Tripartite System [PDF]

open access: yesViruses, 2022
Mimiviruses are giant viruses of amoeba that can be found in association with virophages. These satellite-like viruses are dependent on the mimivirus viral factory to replicate.
Bruna Luiza de Azevedo   +4 more
doaj   +2 more sources

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