Abstract
Cucumber mosaic virus (CMV) RNA was used to study electroporation conditions suitable for protoplasts from rice suspension cultures. Rice protoplasts required a stronger and shorter electric pulse than tobacco protoplasts for introduction of viral RNA. Under optimized conditions, CMV infection was established in 65 % of electroporated protoplasts. In contrast, electroporation with tobacco mosaic virus (TMV) RNA did not result in infection of rice protoplasts. However, when TMV RNA was electroporated into rice protoplasts together with CMV RNA, TMV production was demonstrated in 15 % of protoplasts. Differential staining with fluorescent antibodies against the two viruses showed that the protoplasts producing TMV were without exception also infected by CMV. The results show that CMV replicates in rice protoplasts by itself, whereas TMV does so only with the aid of CMV.
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Abbreviations
- CMV:
-
cucumber mosaiv virus
- PBS:
-
phosphate buffered saline
- TMV:
-
tobacco mosaic virus.
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Communicated by J. Schell
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Okada, K., Nagata, T. & Takebe, I. Co-electroporation of rice protoplasts with RNAs of cucumber mosaic and tobacco mosaic viruses. Plant Cell Reports 7, 333–336 (1988). https://doi.org/10.1007/BF00269931
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DOI: https://doi.org/10.1007/BF00269931