Positive-strand RNA viruses (+ssRNA viruses) are a group of related viruses that have positive-sense, single-stranded genomes made of ribonucleic acid...

RNA virus is a virus characterized by a ribonucleic acid (RNA) based genome. The genome can be single-stranded RNA (ssRNA) or double-stranded (dsRNA)...

Tick-borne encephalitis virus (TBEV) is a positive-strand RNA virus associated with tick-borne encephalitis in the genus Flavivirus. TBEV is a member...

do not share a common dsRNA virus ancestor, but evolved their double strands two separate times from positive-strand RNA viruses. In the Baltimore classification...

member viruses based on their genome type, host range, and genetic similarity. Viruses with three genome types are included: positive-strand RNA viruses, negative-strand...

as Qbeta or Qβ, is a species consisting of several strains of positive-strand RNA virus which infects bacteria that have F-pili, most commonly Escherichia...

nucleic acid molecule, particularly of a strand of DNA or RNA, refers to the nature of the roles of the strand and its complement in specifying a sequence...

"Double-stranded RNA is produced by positive-strand RNA viruses and DNA viruses but not in detectable amounts by negative-strand RNA viruses". Journal of...

Negative-strand RNA viruses (−ssRNA viruses) are a group of related viruses that have negative-sense, single-stranded genomes made of ribonucleic acid (RNA)....

genus of positive-strand RNA viruses in the family Narnaviridae. Fungi serve as natural hosts. There are two species in this genus. Member viruses have been...

Deformed wing virus (DWV) is a positive-strand RNA virus, one of 22 known viruses affecting honey bees. While most commonly infecting the honey bee, Apis...

used to classify viruses based on their manner of messenger RNA (mRNA) synthesis. By organizing viruses based on their manner of mRNA production, it is...

composition—only a strand of RNA and a nonenveloped icosahedral protein coat encapsulating it—poliovirus is widely regarded as the simplest significant virus. Poliovirus...

disease in animals and humans. The Semliki Forest virus is a positive-strand RNA virus with a genome of approximately 13,000 base pairs which encodes...

alphaviruses, including many other positive-strand RNA viruses from other families. Understanding how these viruses replicate and targeting key points...

genus of positive-strand RNA viruses in the family Flaviviridae. The genus includes the West Nile virus, dengue virus, tick-borne encephalitis virus, yellow...

between those that have two strands of DNA in their genome, called double-stranded DNA (dsDNA) viruses, and those that have one strand of DNA in their genome...

superfamilies of viruses cover all RNA-containing viruses with no DNA stage: Viruses containing positive-strand RNA or double-strand RNA, except retroviruses...

farmed shrimp. The disease is caused by the Yellow head virus (YHV), a positive-strand RNA virus related to coronaviruses and arteriviruses. The disease...

in which RNA is tightly bound by the viral nucleoprotein. The RNA genome of the virus encodes five genes whose order is highly conserved. These genes...

Tobacco mosaic virus (TMV) is a positive-sense single-stranded RNA virus species in the genus Tobamovirus that infects a wide range of plants, especially...

and dsRNA viruses, both of which exist for a portion of their life cycle as double-stranded RNA. However, some positive strand RNA viruses, such as poliovirus...

Coronaviridae is a family of enveloped, positive-strand RNA viruses which infect fish, amphibians, birds, and mammals. The group includes the subfamilies...

intracellular membranes simultaneously with the budding of the virus. The positive-strand RNA genome has 9,762 nucleotides and encodes 2 nonstructural polypeptides...

both RNA and DNA viruses. Coronaviruses have a single-strand positive-sense RNA genome. Replication of the genome is catalyzed by an RNA-dependent RNA polymerase...

family of positive-strand RNA viruses which infect prokaryotes. Bacteria serve as the natural host. They are small viruses with linear, positive-sense, single-stranded...

transmitted as single-stranded, positive-sense, enveloped RNA viruses. Upon entry into the target cell, the viral RNA genome is converted (reverse transcribed)...

infections of the respiratory tract. It is a negative-sense, single-stranded RNA virus. Its name is derived from the large cells known as syncytia that form...

Sin Nombre virus is about 12.3 thousand nucleotides in length and segmented into three negative-sense, single-stranded RNA (-ssRNA) strands. The segments...

Potyvirus is a genus of positive-strand RNA viruses (named after its type species, Potato virus Y (Potyvirus yituberosi, PVY)) in the family Potyviridae...