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The protein coat that constitutes the shell of a virus particle.

[From Latin capsa, box.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Animals) any heteropterous bug of the family Miridae (formerly Capsidae), most of which feed on plant tissues, causing damage to crops
[C19: from New Latin Capsus (genus)]


(Biochemistry) the outer protein coat of a mature virus
[C20: from French capside, from Latin capsa box]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈkæp sɪd)

the coiled or polyhedral structure, composed of proteins, that encloses the nucleic acid of a virus. Also called protein coat.
[1960–65; < French capside= Latin caps(a) case2 + -ide -id1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.capsid - a variety of leaf bugcapsid - a variety of leaf bug    
leaf bug, plant bug - small bright-colored insect that feeds on plant juices
four-lined leaf bug, four-lined plant bug, Poecilocapsus lineatus - yellow or orange leaf bug with four black stripes down the back; widespread in central and eastern North America
lygus bug - vector of viral plant diseases
2.capsid - the outer covering of protein surrounding the nucleic acid of a virus
virion - (virology) a complete viral particle; nucleic acid and capsid (and a lipid envelope in some viruses)
protein - any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes; "a diet high in protein"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Capsid bugs are green, so are difficult to see - it's best to look for early signs of damage, such as holes or distorted leaves foliage.
JNJ-6379 is an investigational orally administered capsid assembly modulator of the class that forms normal capsid structures (CAM-N).
th diffilt t it' Capsid bugs are green, so they are difficult to see - it's best to look out for early signs of damage, such as holes in leaves and distorted foliage.
AskBio's gene therapy platform includes proprietary cell line manufacturing process known as Pro10TM and an extensive AAV capsid library.
In conjunction, AskBio's AAV technology, capsid library, proprietary manufacturing systems and multi-dimensional gene therapy platform combined with Synpromics' promoter and bioinformatics technology create a powerful opportunity to more accurately target complex diseases and improve the efficacy of AAV gene therapy vectors.
Data from the company's Phase 1 asset GS-6207, a capsid inhibitor for treating HIV, and the company's initiatives to develop it into a long-acting injectable combo promises a transformational paradigm in the long-term and further protects Gilead's franchise post-2025, he said.
(NASDAQ: GILD) today presented the first clinical data in people living with HIV on GS-6207, an investigational, novel, selective, first-in-class inhibitor of HIV capsid function.
Production of mango fell three percent to 94,920 MT as lesser fruits were harvested in Ilocos Region because of the incidence of capsid bug and cecid flies.
The EBV Capsid Antigen P18; EBV Capsid Antigen P23; EBV Early Antigen P138; EBV Early Antigen P54; and EBV Nuclear Antigen EBNA1, P72 have all been expressly designed for use as integral components within solid phase enzyme immunoassay test procedures, especially ELISA.
NextGen AAV capsid evolution projects improve tissue targeting and immune escape of capsids to usher in a new generation of therapeutics for gene therapy companies.
Noroviruses are named by dual nomenclature using the genotype of RNA-dependent RNA-polymerase (RdRp) and major capsid protein (VP12).