Results 61 to 70 of about 531 (124)

Saudi Moumouvirus, the first group B mimivirus isolated from Asia

open access: yesFrontiers 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   +8 more
doaj   +1 more source

Pan-Genome Analysis of Brazilian Lineage A Amoebal Mimiviruses

open access: yesViruses, 2015
Since the recent discovery of Samba virus, the first representative of the family Mimiviridae from Brazil, prospecting for mimiviruses has been conducted in different environmental conditions in Brazil. Recently, we isolated using Acanthamoeba sp.
Felipe L. Assis   +11 more
doaj   +1 more source

Cryopreservation of Paramecium bursaria Chlorella Virus-1 during an active infection cycle of its host [PDF]

open access: yes, 2019
Best practices in laboratory culture management often include cryopreservation of microbiota, but this can be challenging with some virus particles. By preserving viral isolates researchers can mitigate genetic drift and laboratory-induced selection ...
Alsante, Alyssa N.   +3 more
core   +2 more sources

Microscopic Characterization of the Brazilian Giant Samba Virus

open access: yesViruses, 2017
Prior to the discovery of the mimivirus in 2003, viruses were thought to be physically small and genetically simple. Mimivirus, with its ~750-nm particle size and its ~1.2-Mbp genome, shattered these notions and changed what it meant to be a virus. Since
Jason R. Schrad   +4 more
doaj   +1 more source

Consensus statement: Virus taxonomy in the age of metagenomics [PDF]

open access: yes, 2017
The number and diversity of viral sequences that are identified in metagenomic data far exceeds that of experimentally characterized virus isolates. In a recent workshop, a panel of experts discussed the proposal that, with appropriate quality control ...
Adams, MJ   +25 more
core   +3 more sources

Cytochromes b5 Occurrence in Viruses Belonging to the Order Megavirales

open access: yes
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.   +8 more
openaire   +2 more sources

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

open access: yesIntervirology, 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   +3 more
openaire   +1 more source

Targeted metagenomic recovery of four divergent viruses reveals shared and distinctive characteristics of giant viruses of marine eukaryotes [PDF]

open access: yes, 2019
Giant viruses have remarkable genomic repertoires—blurring the line with cellular life—and act as top–down controls of eukaryotic plankton. However, to date only six cultured giant virus genomes are available from the pelagic ocean.
Hehenberger, Elisabeth   +6 more
core   +1 more source

Comparative Genomics of Amphibian-like Ranaviruses, Nucleocytoplasmic Large DNA Viruses of Poikilotherms [PDF]

open access: yes, 2016
Recent research on genome evolution of large DNA viruses has highlighted a number of incredibly dynamic processes that can facilitate rapid adaptation. The genomes of amphibian-like ranaviruses – double-stranded DNA viruses infecting amphibians, reptiles,
Price, SJ
core  

Viral ecogenomics across the Porifera [PDF]

open access: yes, 2020
BackgroundViruses directly affect the most important biological processes in the ocean via their regulation of prokaryotic and eukaryotic populations. Marine sponges form stable symbiotic partnerships with a wide diversity of microorganisms and this high
A Kim   +116 more
core   +2 more sources

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