Abstract
Three group A arboviruses, Sindbis (SIN), western (WEE) and eastern equine encephalitis (EEE), were selectively degraded with a nonionic detergent to yield a core particle and a soluble envelope component. Antigenic analysis by using radioimmune precipitation techniques revealed marked antigenic similarity among the core particles of the three viruses. The soluble envelope component exhibited antigenic specificity similar to that of intact virions. A close relationship between SIN and WEE envelopes was shown, whereas EEE envelope antigen appeared antigenically specific. These data indicate that nucleocapsids of group A arboviruses contain an antigenic determinant common to the group; the envelope contains virus-specific antigens as well as antigens which relate members of a subgroup.
MeSH Terms
Amino Acids/metabolism
Animals
Antibody Specificity
Antigens, Viral/analysis,isolation & purification
Ascitic Fluid
Brain/immunology
Carbon Radioisotopes
Cells, Cultured
Centrifugation, Zonal
Chick Embryo
Cross Reactions
Electrophoresis, Polyacrylamide Gel
Encephalitis Virus, Western Equine/immunology
Encephalitis Viruses/immunology
Epitopes
Mice
Precipitin Tests
RNA, Viral/analysis
Rabbits/immunology
Radioimmunoassay
Sindbis Virus/immunology
Tritium
Uridine/metabolism
Chemicals
Amino Acids
Antigens, Viral
Carbon Radioisotopes
Epitopes
RNA, Viral
Tritium
Uridine
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Dalrymple J M
Vogel S N
Teramoto A Y
Russell P K
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23 references, click to expand
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