DNA Synthesis in Tobacco Mosaic Virus-Infected Nicotiana tabacum Protoplasts and Regeneration of Persistently Infected Calli.

ABSTRACT

Tobacco mosaic virus infection of Nicotiana tabacum mesophyll protoplasts did not affect the pattern of chloroplast or total cellular DNA synthesis for at least 120 h when compared with that of mock-infected cells. Calli derived from infected protoplasts often showed large amounts of tobacco mosaic virus RNA and coat protein.