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Negative-strand RNA viruses (−ssRNA viruses) are a group of related viruses that have negative-sense, single-stranded genomes made of ribonucleic acid (RNA). They have genomes that act as complementary strands from which messenger RNA (mRNA) is synthesized by the viral enzyme RNA-dependent RNA polymerase (RdRp). During replication of the ...
Bunyaviruses have three single-stranded RNA (ssRNA) fragments, some of them containing both positive-sense and negative-sense sections; arenaviruses are also ssRNA viruses with an ambisense genome, as they have three fragments that are mainly negative-sense except for part of the 5′ ends of the large and small segments of their genome.
Human metapneumovirus (HMPV or hMPV) is a negative-sense single-stranded RNA virus of the family Pneumoviridae and is closely related to the Avian metapneumovirus (AMPV) subgroup C. It was isolated for the first time in 2001 in the Netherlands by using the RAP-PCR (RNA arbitrarily primed PCR ) technique for identification of unknown viruses ...
Bunyaviruses belong to the fifth group of the Baltimore classification system, which includes viruses with a negative-sense, single-stranded RNA genome. They have an enveloped, spherical virion. Though generally found in arthropods or rodents, certain viruses in this order occasionally infect humans.
Viruses of the family Orthomyxoviridae contain six to eight segments of linear negative-sense single stranded RNA. They have a total genome length that is 10,000–14,600 nucleotides (nt). [7] The influenza A genome, for instance, has eight pieces of segmented negative-sense RNA (13.5 kilobases total). [8]
Single-stranded RNA virus refers to RNA viruses with single-stranded RNA genomes. There are two kinds: There are two kinds: Negative-sense single-stranded RNA virus
The following four genera have been proposed for positive sense single stranded RNA satellite viruses that infect plants—Albetovirus, Aumaivirus, Papanivirus and Virtovirus. [33] A family—Sarthroviridae which includes the genus Macronovirus—has been proposed for the positive sense single stranded RNA satellite viruses that infect arthropods.
The genome is composed of negative-sense, single-stranded RNA that is non-segmented. It is about 15 kbp in size, and encodes eleven proteins. [5] A unique feature of the genome is the M2 gene, which encodes proteins M2-1 and M2-2.