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Continous replication of potato spindle tuber viroid (PSTV) in permanent cell cultures of potato and tomato

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Bioscience Reports

Abstract

The continuous replication of potato spindle tuber viroid (PSTV) in callus cultures from PSTV-infected wild-type potato (Solanum dem/ssum L.) and tomato (Lycopersicon peruvianum L. Mill) plants and in cell suspensions derived from potato protoplasts (Solanum tuberosum L.) inoculatedin vitro is described. The persistence of PSTV replication in these cell lines through at least 14 subculture passages, which corresponds to a continous replication over a period of more than one year, was demonstrated by infectivity assay and by polyacrylamide-gel electrophoresis of isolated nucleic acids. This continuous synthesis denovo of PSTV was substantiated by the incorporation of [3H]uridine and of [32P]orthophosphate into viroid RNA.

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Authors and Affiliations

  1. Max-Planck-Institut für Biochemie, D-8033 Martinsried bei München and Arbeitsgruppe Pflanzenyirologie, Justus-Liebig-Universität, D-6300, Giessen, FRG

    Hans-Peter Mühlbach & Heinz L. Sänger

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  1. Hans-Peter Mühlbach
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  2. Heinz L. Sänger
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Mühlbach, HP., Sänger, H.L. Continous replication of potato spindle tuber viroid (PSTV) in permanent cell cultures of potato and tomato. Biosci Rep 1, 79–87 (1981). https://doi.org/10.1007/BF01115152

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  • DOI: https://doi.org/10.1007/BF01115152

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