Comparative Cytology of 2 Isolates of Cauliflower Mosaic-virus

Xiong, C and Balázs, Ervin and Lebeurier, C and Stoeckel, ME and Porte, A (1982) Comparative Cytology of 2 Isolates of Cauliflower Mosaic-virus. JOURNAL OF GENERAL VIROLOGY, 61. pp. 75-81. ISSN 0022-1317

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Abstract

The cytology of Cabb-S and Cabb-D/H isolates of cauliflower mosaic virus (CaMV) was compared by electron microscopy. In turnips (Brassica rapa L. cv. ' Just Right') the two strains induced similar symptoms. In the Cabb-S-infected cells the viroplasms contain large amounts of electron-dense material and small amounts of virions, in contrast to the Cabb-D/H-infected cells where there are large amounts of virions and less electron-dense material. The viroplasms could be detected 3 days after inoculation with the Cabb-S isolate but only after 6 days in the leaves infected with the Cabb-D/H isolate. Another type of inclusion, intensely stained using Bernhard's EDT A technique, was detected in the cells infected with either isolate about JO days after inoculation. The significance of these cytoplasmic areas, which coexist with well-developed viroplasms, is discussed.

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