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DeCS
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Descriptor English:
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Antigenic Variation
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Descriptor Spanish:
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variación antigénica
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Descriptor Portuguese:
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Variação Antigênica
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Synonyms English:
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Antigen Switching
Antigen Variation
Antigenic Diversity
Antigenic Switching
Antigenic Variability
Diversity, Antigenic
Switching, Antigen
Switching, Antigenic
Variability, Antigenic
Variation, Antigen
Variation, Antigenic
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Tree Number:
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G05.365.073
G12.500.249
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Definition English:
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Change in the surface ANTIGEN of a microorganism. There are two different types. One is a phenomenon, especially associated with INFLUENZA VIRUSES, where they undergo spontaneous variation both as slow antigenic drift and sudden emergence of new strains (antigenic shift). The second type is when certain PARASITES, especially trypanosomes, PLASMODIUM, and BORRELIA, survive the immune response of the host by changing the surface coat (antigen switching). (From Herbert et al., The Dictionary of Immunology, 4th ed) |
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Indexing Annotation English:
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microbes only; ANTIBODY DIVERSITY is also available
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History Note English:
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1988
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Allowable Qualifiers English:
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Record Number:
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22837
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Unique Identifier:
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D000940
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Occurrence in VHL:
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Similar:
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DeCS
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