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Protein cleaves to bformb the F1 and F2 subunits

Protein cleaves to bformb the F1 and F2 subunits 2025

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The document reports the identification of a new variant subgroup A strain of Respiratory Syncytial Virus (RSV), termed subgroup A-Var, during epidemiologic surveillance in Huntington, West Virginia. Seven strains were isolated from children with acute respiratory illness and exhibited distinct antigenic reactivity and molecular characteristics compared to prototype strains of RSV subgroups A and B. The findings suggest that subgroup A-Var may represent a stable subgroup of RSV with unique properties, marking the first identification of an antigenically altered F protein in naturally occurring RSV.

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What is the function of the RSV G protein?

The RSV attachment protein (G) has been shown to be critical in invading airway epithelial cells through its CX3C motif interacting with the host receptor CX3CR1. The ubiquitous expression of this receptor on immune cells may explain their susceptibility to RSV infection.

What is the role of the F protein in RSV?

The two major glycoproteins on the surface of the RSV virion, the attachment glycoprotein (G) and the fusion (F) glycoprotein, control the initial phases of infection. G targets the ciliated cells of the airways, and F causes the virion membrane to fuse with a target cell membrane.

What is the function of the RSV M protein?

The RSV Matrix protein plays key roles in virus life cycle, being found in the nucleus early in infection in a transcriptional inhibitory role, and later localizing in viral inclusion bodies before coordinating viral assembly and budding at the plasma membrane.

What is the function of F protein?

The F protein, also referred to as F317 in certain contexts, is a docHub component in various biological processes, particularly in the realm of virology and immunology. This protein plays a crucial role in the infection process of certain viruses, facilitating their entry into host cells.

What is the respiratory syncytial virus F?

It is a negative-sense, single-stranded RNA virus. Its name is derived from the large cells known as syncytia that form when infected cells fuse. RSV is a common cause of respiratory hospitalization in infants, and reinfection remains common in later life, though often with less severity.