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capsomere
This term is used exclusively within the specialized register of virology and molecular biology. It describes the individual building blocks of a viral capsid, emphasizing the repetitive, geometric nature of viral architecture. The term implies a modular construction where identical or similar protein units snap together to create a protective shell.
Because it refers to a discrete structural unit, it is treated as a countable noun. In scientific literature, it is frequently used in the context of symmetry (such as icosahedral or helical) to describe how these subunits are organized to maximize space and stability.
Meanings
Examples
The viral capsid is composed of multiple protein subunits called a capsomere.
Look at the electron micrograph to see how each capsomere fits together.
I wonder if a single mutation in the capsomere could prevent the virus from attaching to the host cell.
I wonder if a single mutation in the capsomere could prevent the virus from attaching to the host cell.
The arrangement of each capsomere determines the overall symmetry of the virion.
Does the capsomere vary in size between different strains of the influenza virus?
Each capsomere acts as a building block for the protective shell.
The researchers analyzed the chemical composition of the individual capsomere.
The researchers analyzed the chemical composition of the individual capsomere.
Wait, so the capsid is just a collection of these capsomeres?