Results 41 to 50 of about 1,177 (170)

Complex transcriptional regulations of a hyperparasitic quadripartite system in giant viruses infecting protists [PDF]

Nature Communications
Hyperparasitism 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, Hugo Bisio, Lucid Belmudes, Yohann Couté, Lionel Bertaux, Jean-Michel Claverie, Chantal Abergel, Sandra Jeudy, Matthieu Legendre   +8 more
doaj   +2 more sources

The association of the rumen virome with methane emissions in dairy cattle [PDF]

Communications Biology
Enteric 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, Mónica Gutiérrez-Rivas, Idoia Goiri, Aser García-Rodríguez, Óscar González-Recio   +4 more
doaj   +2 more sources

Disentangling the origins of virophages and polintons. [PDF]

Current Opinion in Virology, 2017
Virophages and polintons are part of a complex system that also involves eukaryotes, giant viruses, as well as other viruses and transposable elements. Virophages are cosmopolitan, being found in environments ranging from the Amazon River to Antarctic hypersaline lakes, while polintons are found in many single celled and multicellular eukaryotes ...
Samuel Campbell, A. Aswad, A. Katzourakis   +2 more
semanticscholar   +4 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, Isabelle Pagnier, Angélique Campocasso, Ghislain Fournous, Didier Raoult, Bernard La Scola   +5 more
doaj   +1 more source

Virophage infection mode determines ecological and evolutionary changes in a host-virus-virophage system. [PDF]

ISME J
Abstract Giant viruses can control their eukaryotic host populations, shaping the ecology and evolution of aquatic microbial communities. Understanding the impact of the viruses’ own parasites, the virophages, on the control of microbial communities remains a challenge. Most virophages have two modes of infection.
Del Arco A, Becks L.
europepmc   +3 more sources

Open questions in the social lives of viruses

Journal of Evolutionary Biology, Volume 36, Issue 11, Page 1551-1567, November 2023., 2023
Social interactions among viruses are diverse and pervasive, with the potential to affect every stage of the viral lifecycle. Here, we explore some of the challenges and opportunities that these interactions present for evolutionary biology. Abstract Social interactions among viruses occur whenever multiple viral genomes infect the same cells, hosts ...
Asher Leeks, Lisa M. Bono, Elizabeth A. Ampolini, Lucas S. Souza, Thomas Höfler, Courtney L. Mattson, Anna E. Dye, Samuel L. Díaz‐Muñoz   +7 more
wiley   +1 more source

Diversity of Virophages in Metagenomic Data Sets [PDF]

Journal of Virology, 2013
ABSTRACT Virophages, e.g., Sputnik, Mavirus, and Organic Lake virophage (OLV), are unusual parasites of giant double-stranded DNA (dsDNA) viruses, yet little is known about their diversity. Here, we describe the global distribution, abundance, and genetic diversity of virophages based on analyzing and mapping comprehensive metagenomic
Jinglie Zhou, Weijia Zhang, Shuling Yan, Jinzhou Xiao, Yuanyuan Zhang, Bailin Li, Ying-jie Pan, Yongjie Wang   +7 more
semanticscholar   +4 more sources

Metabolic reconstruction of the near complete microbiome of the model sponge Ianthella basta

Environmental Microbiology, Volume 25, Issue 3, Page 646-660, March 2023., 2023
Abstract Many marine sponges host highly diverse microbiomes that contribute to various aspects of host health. Although the putative function of individual groups of sponge symbionts has been increasingly described, the extreme diversity has generally precluded in‐depth characterization of entire microbiomes, including identification of syntrophic ...
Joan Pamela Engelberts, Steven J. Robbins, Craig W. Herbold, Florian U. Moeller, Nico Jehmlich, Patrick W. Laffy, Michael Wagner, Nicole S. Webster   +7 more
wiley   +1 more source

Presence of CRISPR CAS‐Like Sequences as a Proposed Mechanism for Horizontal Genetic Exchanges between Trichomonas vaginalis and Its Associated Virus: A Comparative Genomic Analysis with the First Report of a Putative CRISPR CAS Structures in Eukaryotic Cells

BioMed Research International, Volume 2023, Issue 1, 2023., 2023
Introduction. Trichomonas vaginalis genome is among the largest genome size and coding capacities. Combinations of gene duplications, transposon, repeated sequences, and lateral gene transfers (LGTs) have contributed to the unexpected large genomic size and diversity. This study is aimed at investigating genomic exchange and seeking for presence of the
Azra Kenarkoohi, Amir Abdoli, Arman Rostamzad, Mahmoud Rashnavadi, Razi Naserifar, Jahangir Abdi, Morteza Shams, Arezoo Bozorgomid, Sepideh Saeb, Dhurgham Al-Fahad, Kosar Khezri, Shahab Falahi, Shibiao Wan   +12 more
wiley   +1 more source

Bacteriophages pass through candle‐shaped porous ceramic filters: Application for the collection of viruses in soil water

MicrobiologyOpen, Volume 11, Issue 5, October 2022., 2022
This study proposes to use porous candles as a new tool for collecting soil water viruses. In the first step, the passage of model viruses through the ceramic part of the candles was investigated. Regarding the field application, the experiments carried out showed a successful recovery of viruses, demonstrating the relevance and efficiency of such a ...
Perrine Florent, Henry‐Michel Cauchie, Malte Herold, Leslie Ogorzaly   +3 more
wiley   +1 more source