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Single molecule studies of RNA secondary structure: AFM of TYMV viral RNA by Andrea Giro; Anna Bergia; Giampaolo Zuccheri; Hugo H.J. Bink; Cornelis W.A. Pleij; Bruno Samorì is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

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## Abstract Nowadays, the development of experimental procedures for the determination of the secondary structure of RNA molecules is taking advantage of the novel single‐molecule probing and imaging techniques. We report a method for the mapping of the secondary structure of RNA molecules spread on a flat surface by means of the atomic force microscope. Globular domains comprising groups of RNA secondary and tertiary structure elements separated by unstructured domains can be discerned in the micrographs and their position along the molecule contour can be measured directly on unstained specimens. We have analyzed the morphology of a population of single molecules of 3′ fragments of the Turnip Yellow Mosaic Virus RNA shorter than 1 kb in different temperature and electrolytic conditions. We found a satisfying agreement of the shape of the imaged structures with previously available evidence. The method we have developed can be used to map also different types of RNA molecules and has the advantage of showing the distribution of the single molecule conformations within the population. Microsc. Res. Tech. 65:235–245, 2004. © 2005 Wiley‐Liss, Inc.

Who reads Single molecule studies of RNA secondary structure: AFM of TYMV viral RNA?

Author

Andrea Giro; Anna Bergia; Giampaolo Zuccheri; Hugo H.J. Bink; Cornelis W.A. Pleij; Bruno Samorì

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1059-910X)

Published

2004

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)