Results 51 to 60 of about 1,397 (172)

The genome of the brown alga Ectocarpus siliculosus contains a series of viral DNA pieces, suggesting an ancient association with large dsDNA viruses

open access: yesBMC Evolutionary Biology, 2008
Background Ectocarpus siliculosus virus-1 (EsV-1) is a lysogenic dsDNA virus belonging to the super family of nucleocytoplasmic large DNA viruses (NCLDV) that infect Ectocarpus siliculosus, a marine filamentous brown alga. Previous studies indicated that
Boland Wilhelm, Delaroque Nicolas
doaj   +1 more source

Discovery of Viral Myosin Genes With Complex Evolutionary History Within Plankton

open access: yesFrontiers in Microbiology, 2021
Nucleocytoplasmic large DNA viruses (NCLDVs) infect diverse eukaryotes and form a group of viruses with capsids encapsulating large genomes. Recent studies are increasingly revealing a spectacular array of functions encoded in their genomes, including ...
Soichiro Kijima   +6 more
doaj   +1 more source

Phaeoviral infections are present in macrocystis, ecklonia and undaria (laminariales) and are influenced by wave exposure in ectocarpales [PDF]

open access: yes, 2018
Two sister orders of the brown macroalgae (class Phaeophyceae), the morphologically complex Laminariales (commonly referred to as kelp) and the morphologically simple Ectocarpales are natural hosts for the dsDNA phaeoviruses (family ) that persist as ...
Bolton, John J.   +9 more
core   +4 more sources

Giant Viruses as a Source of Novel Enzymes for Biotechnological Application

open access: yesPathogens, 2022
The global demand for industrial enzymes has been increasing in recent years, and the search for new sources of these biological products is intense, especially in microorganisms.
Ellen Gonçalves de Oliveira   +6 more
doaj   +1 more source

Phylogeny of the Varidnaviria Morphogenesis Module: Congruence and Incongruence With the Tree of Life and Viral Taxonomy

open access: yesFrontiers in Microbiology, 2021
Double-stranded DNA viruses of the realm Varidnaviria (formerly PRD1-adenovirus lineage) are characterized by homologous major capsid proteins (MCPs) containing one (kingdom: Helvetiavirae) or two β-barrel domains (kingdom: Bamfordvirae) known as the ...
Anthony C. Woo   +8 more
doaj   +1 more source

Extensive Gene Remodeling in the Viral World: New Evidence for Nongradual Evolution in the Mobilome Network [PDF]

open access: yes, 2014
International audienceComplex nongradual evolutionary processes such as gene remodeling are difficult to model, to visualize, and to investigate systematically.
Bapteste, Eric   +3 more
core   +3 more sources

Hi‐C Links Reveal Viral Activity and Infection Within the Free‐Living Microbial Community of a Secondary Chlorophyll Maximum in the Eastern Tropical North Pacific

open access: yesEnvironmental Microbiology, Volume 28, Issue 4, April 2026.
Hi‐C sequencing was used to link viral sequences with microbial metagenome assembled genomes in the largely uncultivated waters of an oxygen‐deficient zone's secondary chlorophyll maximum within the Eastern Tropical North Pacific Ocean. ABSTRACT Oxygen‐deficient zones (ODZs) influence global nitrogen cycling as key sites for the removal of bioavailable
Christina Rathwell   +2 more
wiley   +1 more source

Host-derived viral transporter protein for nitrogen uptake in infected marine phytoplankton [PDF]

open access: yes, 2017
This is the author's accepted manuscriptFinal version available from NAS via the DOI in this recordPhytoplankton community structure is shaped by both bottom–up factors, such as nutrient availability, and top–down processes, such as predation.
Attah, V   +9 more
core   +1 more source

Diversity, Function and Activity of DNA Viruses in the Qiangyong Proglacial Lake Sediment, the Tibetan Plateau

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 1, February 2026.
This study identified DNA viruses from Qiangyong proglacial lake sediments on the Tibetan Plateau, revealing a highly diverse and previously uncharacterized viral community. These viruses influence microbial community structure and function by infecting key nutrient‐transforming taxa and encoding auxiliary metabolic genes that modulate host metabolism.
Yang Zhao   +6 more
wiley   +1 more source

Another Really, Really Big Virus

open access: yesViruses, 2011
Viruses with genomes larger than 300 kb and up to 1.2 Mb, which encode hundreds of proteins, are being discovered and characterized with increasing frequency.
James L. Van Etten
doaj   +1 more source

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