Size and secondary structure of potato spindle tuber viroid
Journal Article
·
· Virology; (United States)
The structure and size of potato spindle tuber viroid (PSTV) were investigated by electron microscopy. PSTV appears to be composed of two single-stranded RNA components of different sizes, one linear and one circular. The linear component is about four times more common than the circular. Both components exist in collapsed, highly base-paired structures under nondenaturing conditions. Both components are sensitive to digestion by pancreatic ribonuclease but are resistant to snake venom phosphodiesterase. From length measurements of formylated and nonformylated PSTV RNA, the estimated molecular weight for the linear molecule is 110,000, and for the circular, it is 137,000.
- Research Organization:
- Univ. of Wisconsin, Madison
- OSTI ID:
- 7227759
- Journal Information:
- Virology; (United States), Vol. 76:2
- Country of Publication:
- United States
- Language:
- English
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