Lineage-specific expansions of polinton-like viruses in photosynthetic cryptophytes [PDF]
MicrobiomeBackground Polinton-like viruses (PLVs) are diverse eukaryotic DNA viral elements (14–40 kb) that often undergo significant expansion within protist genomes through repeated insertion events. Emerging evidence indicates they function as antiviral defense
Paul-Adrian Bulzu +2 more
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A Polinton-like Virus of C. parva Inhibits the Population Growth of a Newly Isolated Relative of Tethysvirus ontarioense [PDF]
VirusesThe previous discovery of genomes of Polinton-like viruses (PLVs) associated with viruses of Chrysochromulina parva stimulated this research to determine the biological nature of these putative viral hyperparasites. Purification of C.
George R. Thomas +4 more
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Ecogenomics of virophages and their giant virus hosts assessed through time series metagenomics
Nature Communications, 2017 Virophages are recently-identified small viruses that infect larger viruses, yet their diversity and ecological roles are poorly understood. Here, Roux and colleagues present time series metagenomics data revealing new virophage genera and their putative
Matthew B Sullivan +2 more
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Molecular architecture of giant viruses infecting microbial eukaryotes (protists) [PDF]
BioTechnologiaIn this review, I describe recent findings on the molecular architecture and genomic characterization of giant viruses that infect microbial eukaryotes (protists) across diverse ecosystems and ecological niches.
Anhelina Kyrychenko
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Viral dynamics in a high-rate algal pond reveals a burst of Phycodnaviridae diversity correlated with episodic algal mortality [PDF]
mBioThis study explores virus-host dynamics in a unique environment: an industrial high-rate algal pond (HRAP). A wealth of novel DNA algal viruses are revealed, including members of Nucleocytoviricota “giant viruses” and the enigmatic Preplasmiviricota (e.g.
E. E. Chase +7 more
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Complex transcriptional regulations of a hyperparasitic quadripartite system in giant viruses infecting protists [PDF]
Nature CommunicationsHyperparasitism is a common pattern in nature that is not limited to cellular organisms. Giant viruses infecting protists can be hyperparasitized by smaller ones named virophages.
Alexandra Bessenay +8 more
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The association of the rumen virome with methane emissions in dairy cattle [PDF]
Communications BiologyEnteric methane production in ruminants is a major environmental concern, yet its association with the ruminal virome remains largely unexplored. Here, we conduct a bioinformatic analysis on previously published ruminal metagenomes from 448 Holstein cows
Carlos Navarro Marcos +4 more
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Viva lavidaviruses! Five features of virophages that parasitize giant DNA viruses [PDF]
PLoS Pathogens, 2019 Sarah Duponchel, Matthias Fischer
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Inside the Lifestyle of the Virophage [PDF]
Intervirology, 2010 <i>Objective(s):</i> We sought to better characterize Sputnik, the first isolated virophage, and to analyze its parasitic lifestyle during co-infection with Marseillevirus (a new giant virus) in <i>Acanthamoeba castellanii</i>. <i>Methods:</i> A combination of electron microscopy, immunofluorescence microscopy, and ...
Desnues, Christelle, Raoult, Didier
openaire +3 more sources
Broad spectrum of mimiviridae virophage allows its isolation using a mimivirus reporter. [PDF]
PLoS ONE, 2013 The giant virus Mimiviridae family includes 3 groups of viruses: group A (includes Acanthamoeba polyphaga Mimivirus), group B (includes Moumouvirus) and group C (includes Megavirus chilensis).
Morgan Gaia +5 more
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