Affiliation:
1. Department of Microbiology, The University of Virginia School of Medicine, Charlottesville, Virginia 22901
Abstract
The cytoplasmic sites of synthesis in L cells of the protein and ribonucleic acid species of vesicular stomatitis virus were studied by polyacrylamide gel electrophoresis after fractionation of membrane and other cytoplasmic components by the Caliguiri-Tamm technique. The viral spike protein (glycoprotein G) was found primarily associated with a smooth membrane fraction which is rich in plasma membrane; the G protein was also present in fractions containing rough endoplasmic reticulum. The nonglycosylated envelope protein S (also called M) was found in the smooth membrane fractions but was more abundant in endoplasmic reticulum-enriched fractions. Longer labeling resulted in detection of nucleoprotein N, as well as other minor nucleocapsid proteins L and NS
1
, in the cellular membrane fractions. The N protein appeared to be made in membrane-free cytoplasm along with progeny ribonucleic acid and later became associated with membrane containing G and S viral proteins.
Publisher
American Society for Microbiology
Subject
Virology,Insect Science,Immunology,Microbiology
Cited by
62 articles.
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