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  2. Double-stranded RNA viruses - Wikipedia

    en.wikipedia.org/wiki/Double-stranded_RNA_viruses

    Double-stranded RNA viruses (dsRNA viruses) are a polyphyletic group of viruses that have double-stranded genomes made of ribonucleic acid.The double-stranded genome is used as a template by the viral RNA-dependent RNA polymerase (RdRp) to transcribe a positive-strand RNA functioning as messenger RNA (mRNA) for the host cell's ribosomes, which translate it into viral proteins.

  3. Viral replication - Wikipedia

    en.wikipedia.org/wiki/Viral_replication

    RNA viruses lack the capacity to identify and repair mismatched or damaged nucleotides, and thus, RNA genomes are prone to mutations introduced by mechanisms intrinsic and extrinsic to viral replication. [18] RNA viruses present a therapeutic double-edged sword: RNA viruses can withstand the challenge of antiviral drugs, cause epidemics, and ...

  4. Rotavirus - Wikipedia

    en.wikipedia.org/wiki/Rotavirus

    VP1 is located in the core of the virus particle and is an RNA-dependent RNA polymerase enzyme. [37] In an infected cell this enzyme produces mRNA transcripts for the synthesis of viral proteins and produces copies of the rotavirus genome RNA segments for newly produced virus particles. [38]

  5. Orthornavirae - Wikipedia

    en.wikipedia.org/wiki/Orthornavirae

    Genome type and replication cycle of different RNA viruses. RNA viruses in Orthornavirae typically do not encode many proteins, but most positive-sense, single-stranded (+ssRNA) viruses and some double-stranded RNA (dsRNA) viruses encode a major capsid protein that has a single jelly roll fold, so named because the folded structure of the protein contains a structure that resembles a jelly ...

  6. RNA virus - Wikipedia

    en.wikipedia.org/wiki/RNA_virus

    Taxonomy and replication strategies of different types of RNA viruses. An RNA virus is a virus characterized by a ribonucleic acid based genome. [1] The genome can be single-stranded RNA or double-stranded (dsRNA). [2]

  7. Double-stranded RNA - Wikipedia

    en.wikipedia.org/wiki/Double-stranded_RNA

    Double-stranded RNA (dsRNA) is RNA with two complementary strands found in cells. It is similar to DNA but with the replacement of thymine by uracil and the adding of one oxygen atom. [ 1 ] Despite the structural similarities, much less is known about dsRNA.

  8. Totiviridae - Wikipedia

    en.wikipedia.org/wiki/Totiviridae

    Life cycle of S. cerevisiae virus L-A. Viral replication is cytoplasmic. Replication follows the double-stranded RNA virus replication model. Double-stranded RNA virus transcription is the method of transcription. Translation takes place by -1 ribosomal frameshifting, +1 ribosomal frameshifting, viral initiation, and RNA termination-reinitiation.

  9. Partitiviridae - Wikipedia

    en.wikipedia.org/wiki/Partitiviridae

    Partitiviridae is a family of double-stranded RNA viruses. [2] Plants, fungi, and protozoa serve as natural hosts. It has been suggested that they can also infect bacteria. [3] The name comes from the Latin partitius, which means divided, and refers to the segmented genome of partitiviruses. There are five genera and 60 species in the family ...