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An archaeal virus is a virus that infects and replicates in archaea, a domain of unicellular, prokaryotic organisms. Archaeal viruses, like their hosts, are found worldwide, including in extreme environments inhospitable to most life such as acidic hot springs , highly saline bodies of water, and at the bottom of the ocean.
APBV1 genome map. The genome is a circular double-stranded DNA molecule of 5.3 kb. It does not integrate into the host genome. The genome contains 14 open reading frames, none of which share similarity with sequences in public databases. [2] Infection with this virus does not cause host cell lysis. [2]
Bicaudaviridae is a family of hyperthermophilic archaeal viruses.Members of the genus Acidianus serve as natural hosts. There is only one genus, Bicaudavirus, and one species, Acidianus two-tailed virus, in this family.
Acidianus filamentous virus 1 was found to bind to cellular pili-like appendages. DNA templated transcription is the method of transcription. Archaea serve as the natural host. Transmission routes are passive diffusion. [1] Virion assembly and egress have been studied in the case of Sulfolobus islandicus filamentous virus (SIFV). The virions ...
Structural model at atomic resolution of bacteriophage T4 [1] The structure of a typical myovirus bacteriophage Anatomy and infection cycle of bacteriophage T4.. A bacteriophage (/ b æ k ˈ t ɪər i oʊ f eɪ dʒ /), also known informally as a phage (/ ˈ f eɪ dʒ /), is a virus that infects and replicates within bacteria and archaea.
Bottigliavirus is the only genus in the family Ampullaviridae and contains 3 species. [3] [4] Ampullaviridae infect archaea of the genus Acidianus. [5]The name of the family and genus is derived from the Latin word for bottle, ampulla, due to the virions having the shape of a bottle.
The 2023-2024 norovirus season is well underway in the United States. Cases of the highly contagious stomach bug, which causes diarrhea and vomiting, are climbing steadily across the country.
When developing vaccines for viruses, the emphasis is on attenuating the virus, or decreasing its virulence, in a given host. Sometimes it is useful to employ serial passage to increase the virulence of a virus. Usually, when serial passage is performed in a species, the result is a virus that is more virulent to that species. [5]