Results 31 to 40 of about 285 (84)

Virus Genomes from Deep Sea Sediments Expand the Ocean Megavirome and Support Independent Origins of Viral Gigantism

mBio, 2019
The nucleocytoplasmic large DNA viruses (NCLDV) of eukaryotes (proposed order, “Megavirales”) include the families Poxviridae, Asfarviridae, Iridoviridae, Ascoviridae, Phycodnaviridae, Marseilleviridae, and Mimiviridae, as well as still unclassified ...
Disa Bäckström, Natalya Yutin, Steffen L. Jørgensen, Jennah Dharamshi, Felix Homa, Katarzyna Zaremba-Niedwiedzka, Anja Spang, Yuri I. Wolf, Eugene V. Koonin, Thijs J. G. Ettema   +9 more
doaj   +1 more source

New Brazilian giant viruses isolation from environmental samples using a panel of protozoa.

Frontiers in Microbiology, 2015
The Megavirales are a newly described order capable of infecting different types of eukaryotic hosts. For the most part, the natural host is unknown.
Fábio Pio Dornas, Fábio Pio Dornas, Jacques Yaacoub Bou Khalil, Isabelle ePagnier, Didier eRaoult, Jonatas eAbrahao, Bernard eLa Scola   +6 more
doaj   +1 more source

Analysis of a Marseillevirus Transcriptome Reveals Temporal Gene Expression Profile and Host Transcriptional Shift

Frontiers in Microbiology, 2020
Marseilleviruses comprise a family of large double-stranded DNA viruses belonging to the proposed order “Megavirales.” These viruses have a circular genome of ∼370 kbp, coding hundreds of genes.
Rodrigo Araújo Lima Rodrigues, Rodrigo Araújo Lima Rodrigues, Amina Cherif Louazani, Agnello Picorelli, Graziele Pereira Oliveira, Graziele Pereira Oliveira, Francisco Pereira Lobo, Philippe Colson, Philippe Colson, Bernard La Scola, Bernard La Scola, Jônatas Santos Abrahão   +11 more
doaj   +1 more source

Genomic comparison of closely related Giant Viruses supports an accordion-like model of evolution.

Frontiers in Microbiology, 2015
Genome gigantism occurs so far in Phycodnaviridae and Mimiviridae (order Megavirales). Origin and evolution of these Giant Viruses (GVs) remain open questions.
Jonathan eFilée
doaj   +1 more source

Mimiviridae, Marseilleviridae, and virophages as emerging human pathogens causing healthcare-associated infections

GMS Hygiene and Infection Control, 2014
[english] Aim: During the last decade it became obvious that viruses belonging to and families (order Megavirales), may be potential causative agents of pneumonia. Thus, we have performed a review of the association of , , and virophages with pneumonia,
Kutikhin, Anton G., Yuzhalin, Arseniy E., Brusina, Elena B.   +2 more
doaj   +1 more source

Identification of giant Mimivirus protein functions using RNA interference

Frontiers in Microbiology, 2015
Genomic analysis of giant viruses, such as Mimivirus, has revealed that more than half of the putative genes have no known functions (ORFans). We knocked down Mimivirus genes using short interfering RNA (siRNA) as a proof of concept to determine the ...
Haitham eSobhy, Bernard eLa Scola, Bernard eLa Scola, Isabelle ePagnier, Didier eRaoult, Didier eRaoult, Philippe eColson, Philippe eColson   +7 more
doaj   +1 more source

Experimental Inoculation in Rats and Mice by the Giant Marseillevirus Leads to Long-Term Detection of Virus

Frontiers in Microbiology, 2018
The presence of the giant virus of amoeba Marseillevirus has been identified at many different sites on the human body, including in the bloodstream of asymptomatic subjects, in the lymph nodes of a child with adenitis, in one adult with Hodgkin's ...
Sarah Aherfi, Claude Nappez, Hubert Lepidi, Hubert Lepidi, Marielle Bedotto, Lina Barassi, Priscilla Jardot, Philippe Colson, Bernard La Scola, Didier Raoult, Fabienne Bregeon, Fabienne Bregeon   +11 more
doaj   +1 more source

Saudi Moumouvirus, the first group B mimivirus isolated from Asia

Frontiers in Microbiology, 2016
The number of novel giant viruses identified and characterized from the recently proposed order Megavirales has increased in recent years and new questions have been raised regarding viral diversity and evolution.
Leena Hussein Bajrai, Leena Hussein Bajrai, Felipe Lopes Assis, Esam Ibraheem Azhar, Priscilla Jardot, Catherine Robert, Jonatas Abrahao, Didier Raoult, BERNARD LA SCOLA   +8 more
doaj   +1 more source

Cytochromes b5 Occurrence in Viruses Belonging to the Order Megavirales

Abstract Cytochrome b5 is a small electron transport protein that is found in animals, plants, fungi and photosynthetic proteobacteria where it plays key metabolic roles in energy production, lipid and sterol biosynthesis and cytochrome P450 biochemistry.
Lamb, David C., Goldstone, Jared V., Belhaouari, Djamal Brahim, Andréani, Julien, Farooqi, Ayesha, Allen, Michael J., Kelly, Steven L., La Scola, Bernard, Stegeman, John J.   +8 more
openaire   +2 more sources

Reclassification of giant viruses composing a fourth domain of life in the new order Megavirales.

Intervirology, 2012
Interest in giant viruses has risen sharply since 2003, following the discovery of the Mimivirus and four other protist-infecting giant viruses that are linked to the nucleocytoplasmic large DNA viruses (NCLDVs). Despite considerable heterogeneity in hosts and genome sizes, the NCLDVs have been shown to be monophyletic based on analyses of their ...
Philippe, Colson, Xavier, de Lamballerie, Ghislain, Fournous, Didier, Raoult   +3 more
openaire   +1 more source