Abstract:
:Intermediate subviral particles (ISVP) derived from reovirus represent a simple model system for the switch-on of transcriptase function. In such particles the endogenous transcriptase is present in a switched-off form, one step removed from the switched-on state. Switch-on of transcriptase function is an active process in this system and can be triggered by K+ions. A variety of agents which affect gene expression in cells were tested for an effect on switch-on in ISVP. Marked effects on switch-on in ISVP were observed with a diverse group of test agents, including DMSO and other solvents, BUdR, TdR, caffeine, theophylline, and temperature. The correlation in response between ISVP and cells suggests that the ISVP system may be useful as a model for studying the biochemical mechanisms underlying the perturbative effects of such agents on gene expression in cells.
journal_name
J Cell Physioljournal_title
Journal of cellular physiologyauthors
Borsa J,Sargent MD,Ewing DD,Einspenner Mdoi
10.1002/jcp.1041120104subject
Has Abstractpub_date
1982-07-01 00:00:00pages
10-8issue
1eissn
0021-9541issn
1097-4652journal_volume
112pub_type
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