Arbovirus Catalog

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Abbreviations
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Physicochemical RNA
Pieces (number of genome segments) 3	Infectivity	Sedimentation Coefficients(s) (S)
Percentage wt, of Virion Protein	Lipid	Carbohydrate
Virion Polypeptides: Number	Details
Non-virion Polypeptides: Number	Details
Virion Density 1.17 g/cm3 in sucrose	Sedimentation Coefficients(s) 490(S)
Nucleocapsid Density	Sedimentation Coefficients(s) (S)

Stability of Infectivity (effects)
pH (infective range) 3.0: 3.2 dex loss
Lipid Solvent (ether - % used to test) X	After Treatment Titer 1.8 dex	Control Titer 5.2 dex
Lipid Solvent (chloroform)	After Treatment Titer	Control Titer
Lipid Solvent (deoxycholate)	After Treatment Titer	Control Titer
Other (formalin, radiation) Heating: 4.2 dex loss

Virion Morphology
Shape Spherical	Dimensions About 100nm
Mean 98.6nm	Range 78-118nm
Measurement Method electron microscopy	Surface Projections/Envelope Surface projections: possible; trilamellar envelope: 7-8 nm	Nucleocapsid Dimensions, Symmetry

Morphogenesis
Site of Constituent Formation in Cell Cytoplasm	Site of Virion Assembly Golgi apparatus and cytoplasmic vesicles	Site of Virion Accumulation Extracellular spaces
Inclusion Bodies No	Other

Hemagglutination
Hemaggiutination No	Antigen Source SMB ext. by sucrose-acetone	Erythrocytes (species used) Goose
pH Range	pH Optimum
Temperature Range	Temperature Optimum
Remarks Chick erythrocytes also tried
Serologic Methods Recommended CF, NT and IFA
Footnotes Chick erythrocytes also tried