AI Article Synopsis
- Cauliflower mosaic virus (CaMV) was found in the nuclei of xylem parenchyma cells in plants infected with both CaMV and turnip mosaic virus (TuMV), but not in mesophyll tissue.
- CaMV particles were clustered in the nucleoplasm and were not seen in viroplasms, which are more typical for cytoplasmic infection.
- The study ruled out the coinfection with TuMV as the cause of this localization and suggests it may be due to unique characteristics of infection in xylem tissue or a specific variant of CaMV.
Article Abstract
Cauliflower mosaic virus (CaMV) particles were observed in the nuclei of xylem parenchyma cells in Brassica pekinensis L. doubly infected by CaMV and turnip mosaic virus (TuMV). CaMV particles were aggregated in the nucleoplasm but not embedded in viroplasms. This phenomenon was not detected in cell nuclei of mesophyll tissue. Typical features associated with infection by either CaMV or TuMV normally occurred in the cytoplasm of cells of both tissues: two types of viroplasms with embedded CaMV particles and cylindrical inclusions induced by TuMV. Among the main hypotheses which could explain this particular CaMV localization, we checked that it was not the result of the coinfection with TuMV, since we also found CaMV particles in the same place in single infected plants. Other explanations are discussed, including a possible particularity of the infection in xylem tissue or a specific property of an unusual CaMV isolate.
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| http://dx.doi.org/10.1016/s0923-2516(06)80117-2 | DOI Listing |
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