Abstract
We have studied the effect of two carboxylic ionophores, monensin and laidlomycin, on the replication of measles virus in KB cells. The yield of infectious virus was markedly depressed at the concentrations of the ionophores which had no effect on overall viral protein synthesis. The ionophores selectively blocked the migration of hemagglutinin (H) glycoprotein from Golgi apparatus to the cell surface. As a result, H glycoprotein is prevented from being converted from incompletely glycosylated form to the mature form. The inhibitory effect on the transport and glycosylation of H was reversed, although gradually, upon the removal of the ionophores.
MeSH Terms
Anti-Bacterial Agents/pharmacology
Cell Transformation, Viral
DNA Replication/drug effects
Fluorescent Antibody Technique
Furans/pharmacology
Hemagglutinins, Viral/genetics
Humans
KB Cells/metabolism
Kinetics
Measles virus/drug effects,genetics,immunology
Monensin/analogs & derivatives,pharmacology
Virus Replication/drug effects
Chemicals
Anti-Bacterial Agents
Furans
Hemagglutinins, Viral
Monensin
laidlomycin
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Kohama T
Fukuda A
Sugiura A
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