capsid
Học thuậtThân thiện
Definition
- Noun:
- The outer protein shell of a virus: A
capsidis the protective coat that encloses and protects the genetic material (DNA or RNA) of a virus particle. - A type of insect: A
capsidis also a common name for various small, plant-feeding bugs, particularly in the family Miridae.
Usage Examples
- Noun (Virus Structure):
- The viral
capsidis composed of many identical protein subunits. - Scientists are studying the
capsidstructure to develop new antiviral drugs.
- Noun (Insect):
- The green
capsidis a common pest in apple orchards. - Damage from
capsidbugs often appears as distorted leaves and shoots.
Advanced Usage
- "Capsid assembly": The process by which viral proteins self-organize to form the protective structure.
- Understanding
capsidassembly is crucial for virology.
- "Capsid integrity": Refers to the wholeness and stability of the viral protein shell.
- The disinfectant works by disrupting the
capsidintegrity.
Variants and Related Words
- Nucleocapsid (n): The structure formed by a virus's genetic material (genome) enclosed within its .
- Capsomeric (adj): Relating to the individual protein subunits (capsomeres) that make up a .
Synonyms
- Viral coat: Another term for the protein shell of a virus.
- Virion shell: The outer structure of a complete, infectious virus particle.
- Leaf bug / Plant bug: Common names for insects also called .
Notes on Different Meanings
The two primary meanings of capsid belong to completely different scientific fields (virology and entomology). The context makes the intended meaning clear: * In biology, medicine, or discussions about viruses, capsid always refers to the viral protein shell. * In agriculture, gardening, or entomology, capsid refers to a type of small, sap-sucking insect.
Noun
- the outer covering of protein surrounding the nucleic acid of a virus
- a variety of leaf bug