antigenic variation


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antigenic variation

[‚an·tə¦jen·ik ‚ver·ē′ā·shən]
(immunology)
Alteration of an antigen on the surface of a microorganism; may enable a pathogenic mocroorganism to evade destruction by the host's immune system.
References in periodicals archive ?
In campylobacter, antigenic variation of Surface layer proteins (SLPs) is the result of homologous recombination that leads to its antigenic variation.
falciparum is the var gene family which encodes PfEMP1, a protein that is exported to the 'knob like' binding structures on the surface of infected erythrocytes with a key role in antigenic variation and cytoadherence (12).
25) Within a few years after the pandemic hit, the 1918 pandemic strain became to settle, causing annual epidemics with gradual antigenic variation and lowered death rates; epidemic H1N1 viruses that originated from the 1918 pandemic are called 1918-derived H1N1 viruses.
Antigenic Variation, Adherence, and Virulence in Malaria
A fourfold difference in hemagglutination-inhibition titer between two viruses usually indicates antigenic variation between viruses.
Keywords: Hemorrhagic septicemia Pasteurella multocida Buffaloes PCR Antigenic variation and protein profiling and cluster analysis.
Further understanding of the natural history of these viruses is needed to establish the potential role of genotypic and antigenic variation in vaccine development.
A fourfold difference in hemagglutination-inhibition titers between two viruses is usually indicative of antigenic variation between viruses.
No antigenic variation was observed by SDS-PAGE among isolated bacteria from out breaks of CRD.