''For the three dimensional shape, see
Polyhedron
In geometry, a polyhedron (plural polyhedra or polyhedrons; ) is a three-dimensional shape with flat polygonal faces, straight edges and sharp corners or vertices.
A convex polyhedron is the convex hull of finitely many points, not all on th ...
''
Polyhedrins are a type of
viral
Viral means "relating to viruses" (small infectious agents).
Viral may also refer to:
Viral behavior, or virality
Memetic behavior likened that of a virus, for example:
* Viral marketing, the use of existing social networks to spread a marke ...
protein that form
occlusion bodies (also called polyhedra), large structures that protect the virus particles from the outside environment for extended periods until they are ingested by susceptible
insect
Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body ( head, thorax and abdomen), three pairs ...
s. They occur in various viruses including
nuclear polyhedrosis viruses (NPVs) and
granulovirus
''Betabaculovirus'' is a genus of viruses, in the family ''Baculoviridae''. Arthropods serve as natural hosts. There are 26 species in this genus.
Taxonomy
The following species are assigned to the genus:
* '' Adoxophyes orana granulovirus''
* ...
es (GVs). GVs contain one virus particle per occlusion,
whereas NPVs package about 5–15 viruses in each occlusion.
References
{{Reflist
Protein families