Physicochemical
RNA, Single Strand
|
|
3
|
No
|
32; 24; 16(S)
|
|
|
|
|
N protein, MW 40,000 (by gelfiltration) Soluble antigen,
MW 40,000 (by gelfiltration) N protein and soluble antigen
perhaps one protein with group reactivity by CF
|
|
|
1.17 gm/cc in sucrose (8)
|
425 + - 25 (8)(S)
|
1.32 - 1.33 gm/cc in CsCl
|
(S)
|
|
| Stability of Infectivity (effects) |
Infectivity retained at pH 6.0 - 9.5 (8)
|
20%
|
3.3 dex
|
6.6 dex
|
5%
|
2.8 dex
|
6.5 dex
|
1:1000
|
2.8 dex
|
6.2 dex
|
UV inactivation : 99% (1 min by 15-w UV lamp)
|
|
| Virion Morphology |
Spherical
|
90 - 100 nm
|
90 nmnm
|
90 - 100 nmnm
|
Electron microscope; gelfiltration (CPG)
|
Projections, 8-10 nm long; envelope present
|
Filaments, possibly helical
|
|
| Morphogenesis |
|
Intracytoplasmic; smooth membrane interfaces, Golgi complex
vesicles
|
Cytoplasmic vacuoles
|
No
|
|
|
| Hemagglutination |
Yes
|
|
Goose
|
7.0-7.6
|
|
|
37dC
|
|
CF, AGDP test, IFA, NT
|
|
| |
