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The influenza B virus genome is 14,548 nucleotides long and consists of eight segments of linear negative-sense, single-stranded RNA.The multipartite genome is encapsidated, each segment in a separate nucleocapsid, and the nucleocapsids are surrounded by one envelope.
2.B.13 The Tetrapyrrolic Macrocyclic Anion Antiporter (TPMC-AA) Family; 2.B.14 The Lasalocid A or X-537A Ionophore (Lasalocid) Family; 2.B.15 The Tris-thiourea Tripodal-based Chloride Carrier (TTT-CC) Family; 2.B.16 The Halogen-bond-containing Compound Anion Carrier (HCAC) Family; 2.B.17 The Isophthalaminde Derivative H +:Cl − Co-transporter ...
Influenza B virus is almost exclusively a human pathogen, and is less common than influenza A. The only other animal known to be susceptible to influenza B infection is the seal. [47] This type of influenza mutates at a rate 2–3 times lower than type A [48] and consequently is less genetically diverse, with only one influenza B serotype. [26]
Influenza B viruses contribute to seasonal epidemics alongside influenza A viruses but have never been associated with a pandemic. [23] Influenza C virus, like influenza B virus, is primarily found in humans, though it has been detected in pigs, feral dogs, dromedary camels, cattle, and dogs.
The term viral protein refers to both the products of the genome of a virus and any host proteins incorporated into the viral particle. Viral proteins are grouped according to their functions, and groups of viral proteins include structural proteins, nonstructural proteins, regulatory proteins, and accessory proteins. [1]
Human influenza is an acute respiratory infection primarily caused by viruses influenza A and influenza B. Influenza A viruses can be further classified into subtypes, such as A/H1N1 and A/H3N2 . Here, subtypes are denoted according to their hemagglutinin (H or HA) and neuraminidase (N or NA) genes, which as surface proteins, act as the primary ...
There are four different types of influenza virus: A, B, C, and D. Influenza C usually causes only mild illness while D mostly affects animals, especially cattle.
A viral regulatory and accessory protein is a type of viral protein that can play an indirect role in the function of a virus. [1] An example is Nef. References