Physicochemical
RNA, Double Strand
|
|
10
|
No
|
12-14(S)
|
about 80%
|
None
|
None
|
|
|
|
|
|
(S)
|
|
(S)
|
|
| Stability of Infectivity (effects) |
Stable at pH 6-9, inactivated at pH 3-5 (4)
|
20%
|
4.9 dex
|
7.2 dex
|
5%
|
1.0 dex
|
6.2 dex
|
0.1%
|
1.0 dex
|
4.5 dex
|
Inactivated by 1 M MgCl2 at 50C for 1 hour (4); trypsin, papain, 6-azauridine (14,16)
|
|
| Virion Morphology |
Spherical
|
70 nm
|
nm
|
nm
|
Electron microscopy
|
None
|
|
|
| Morphogenesis |
Cytoplasm
|
Area of endoplasmic reticulum (19)
|
|
|
|
|
| Hemagglutination |
No
|
SMB ext. by sucrose-acetone
|
Goose
|
5.75-7.2
|
|
+4dC- +20dC
|
|
Other sources for antigen prod.: infant rat brain, CE cell cult.
fluid; all were neg. (3).
|
CF, NT (5,17,18) and fluorescent antibody test (23
|
Other sources for antigen prod.: infant rat brain, CE cell cult.
fluid; all were neg. (3).
|
| |
