Characterizations of natural and induced polyhedrin gene mutants of Bombyx mori cytoplasmic polyhedrosis viruses

Characterizations of natural and induced polyhedrin gene mutants of Bombyx mori cytoplasmic... Bombyx mori cytoplasmic polyhedrosis virus (BmCPV) polyhedrin gene from natural mutant strain B, B 2 and P was cloned and the amino acid sequence was compared with that of wild-type virus (strain H). Chimeric polyhedrin genes (8 types) containing only one site of mutation within the amino acid sequence were also constructed. Fifteen types of polyhedrin genes were introduced into a baculovirus expression vector and hexahedral, acicular, pyramidal, or amorphous polyhedra were formed in infected cells. These results demonstrated that the shape of polyhedra as well as the crystallization pattern of the polyhedrin could be changed by mutations at respectively N-terminal and C-terminal regions of BmCPV polyhedrin gene. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Characterizations of natural and induced polyhedrin gene mutants of Bombyx mori cytoplasmic polyhedrosis viruses

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Publisher
Springer-Verlag
Copyright
Copyright © Wien by 1998 Springer-Verlag/
Subject
Legacy
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s007050050283
Publisher site
See Article on Publisher Site

Abstract

Bombyx mori cytoplasmic polyhedrosis virus (BmCPV) polyhedrin gene from natural mutant strain B, B 2 and P was cloned and the amino acid sequence was compared with that of wild-type virus (strain H). Chimeric polyhedrin genes (8 types) containing only one site of mutation within the amino acid sequence were also constructed. Fifteen types of polyhedrin genes were introduced into a baculovirus expression vector and hexahedral, acicular, pyramidal, or amorphous polyhedra were formed in infected cells. These results demonstrated that the shape of polyhedra as well as the crystallization pattern of the polyhedrin could be changed by mutations at respectively N-terminal and C-terminal regions of BmCPV polyhedrin gene.

Journal

Archives of VirologySpringer Journals

Published: Feb 1, 1998

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