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New way to isolate simian virus 40 nucleoprotein complexes from infected cells: use of a thiol-specific reagent

Boyce, Frederick M. and Sundin, Olof and Barsoum, James and Varshavsky, Alexander (1982) New way to isolate simian virus 40 nucleoprotein complexes from infected cells: use of a thiol-specific reagent. Journal of Virology, 42 (1). pp. 292-296. ISSN 0022-538X. PMCID PMC256070. http://resolver.caltech.edu/CaltechAUTHORS:BOYjvir82

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Abstract

A new method for the isolation of simian virus 40 nucleoprotein complexes from nuclei of lytically infected cells is described. The method is based on the addition of a thiol-specific reagent, 5'5'-dithiobis(2-nitrobenzoic acid), to lysis and extraction buffers. By inhibiting an uncoating activity during simian virus 40 extraction, 5'5'-dithiobis (2-nitrobenzoic acid) allows the use of efficient extraction buffers, such as one containing Triton X-100 and EDTA, for the isolation of native simian virus 40 minichromosomes and virion-type structures. Use of the method is illustrated by following encapsidation of simian virus 40 minichromosomes in a pulse-chase experiment. Since 5'5'-dithiobis (2-nitrobenzoic acid) is an inhibitor of many different enzymes, the 5',5'-dithiobis (2-nitrobenzoic acid) extraction technique may be useful for the isolation of not only papovaviruses but also other viruses and possibly cellular chromatin.


Item Type:Article
Related URLs:
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http://jvi.asm.org/cgi/content/abstract/42/1/292PublisherArticle
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC256070/PubMed CentralArticle
ORCID:
AuthorORCID
Varshavsky, Alexander0000-0002-4011-258X
Additional Information:© 1982 by the American Society for Microbiology. Received 17 September 1981/Accepted 12 November 1981. We thank Nancy Fritz for secretarial assistance. This work was supported by a grant to A.V. from the National Institutes of Health. F.M.B. was supported by a Massachusetts Institute of Technology Undergraduate Research Opportunity program. O.S. was supported by a National Science Foundation predoctoral fellowship. J.B. was supported by a departmental training grant from the National Institutes of Health.
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Massachusetts Institute of Technology (MIT)UNSPECIFIED
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PubMed Central ID:PMC256070
Record Number:CaltechAUTHORS:BOYjvir82
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:BOYjvir82
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:12426
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:25 Nov 2008 19:41
Last Modified:21 Nov 2017 22:09

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