Viability and genetic stability of potato spindle tuber viroid mutants with indels in specific loops of the rod-like secondary structure.

Abstract excerpt

Maintenance of the rod-like structure of potato spindle tuber viroid (PSTVd), which contains over 20 loops and bulges between double-stranded helices, is important for viroid biology. To study tolerance to modifications of the stem-loop structures and PSTVd capacity for mutation repair, we have created 6 mutants carrying 3-4 nucleotides deletions or insertions at three unique restriction sites, EagI, StyI and...

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