Oligomeric forms of potato spindle tuber viroid (PSTV) and of its complementary RNA are present in nuclei isolated from viroid-infected potato cells

Bioscience Reports - Tập 3 Số 8 - Trang 767-774 - 1983
Ellen Spiesmacher1, Hans‐Peter Mühlbach1, Martina Schnölzer1, Bernd Haas1, Heinz L. Sänger1
1Abteilung Viroidforschung, Max-Planck-Institut fur Biochemie, D-8033 Planegg-Martinsried, Federal Republic of Germany

Tóm tắt

Different oligomeric forms of PSTV are detected in nuclei isolated from PSTV-infected potato cells by means of molecular hybridization, using as probes synthetic oligodeoxyribonucleotides with sequence specificity for (+)PSTV and for (−)PSTV. In addition to several species of longer-than-unit-length (−)PSTV molecules, two oligomeric forms os (+)PSTV are detected, which correspond in size to RNA strands of approximately two and three times viroid unit-length. They must be considered as the precursors os the circular and linear (+)PSTV monomers accumulating in the cell nucleus.

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