Abstract
Actinomycin D and chloramphenicol, when added up to 24 hr after inoculation, markedly increased tobacco mosaic virus (TMV) replication in protoplasts of Samsun NN, a cultivar in which the infection in the intact plant is localized. No increase was observed when TMV-infected protoplasts of Samsun, a systemic-responding cultivar, were incubated in the presence of these antimetabolites. Concomitant with the increase in virus replication in protoplasts of Samsun NN, production of the inhibitor of virus replication (IVR) (G. Loebenstein and A. Gera, Virology, 114, 132–139, 1981) from these protoplasts was suppressed almost completely. These results strengthen the suggestion that IVR is associated with the localizing mechanism by suppressing virus replication.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
