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- Title
Shoot meristem tissue of tobacco inoculated withCucumber mosaic virusis infected with the virus and subsequently recovers from infection by RNA silencing.
- Authors
Mochizuki, Tomofumi; Ohki, Satoshi T.
- Abstract
Distribution ofCucumber mosaic virus(CMV) in shoot meristem tissue of CMV-inoculated tobacco was successively analyzed with immunohistochemical microscopy and in situ hybridization. CMV signals were detected in the tissue at 7 days postinoculation (dpi), but then they decreased and disappeared after 14?dpi. Detailed observation confirmed CMV invasion of shoot apical meristem at 6-8?dpi. Short interfering RNA corresponding to CMV RNAs was first detected at 7?dpi and was detected up to 24?dpi. These results suggest that the shoot meristem tissue is infected with CMV but subsequently recovers from the infection by RNA silencing.
- Subjects
CUCUMBER mosaic virus; PATHOGENIC microorganisms; PLANT viruses; RNA viruses; TOBACCO
- Publication
Journal of General Plant Pathology, 2004, Vol 70, Issue 6, p363
- ISSN
1345-2630
- Publication type
Article
- DOI
10.1007/s10327-004-0140-9