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Interpreting Oligonucleotide Microarray Data To Determine RNA Secondary Structure:  Application to the 3‘ End of Bombyx mori R2 RNA†

Identifieur interne : 002D72 ( Main/Exploration ); précédent : 002D71; suivant : 002D73

Interpreting Oligonucleotide Microarray Data To Determine RNA Secondary Structure:  Application to the 3‘ End of Bombyx mori R2 RNA†

Auteurs : Shenghua Duan ; David H. Mathews ; Douglas H. Turner [États-Unis]

Source :

RBID : ISTEX:961BE605853C8968681415ECE22FAFABE448C8CB

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English descriptors

Abstract

A method to deduce RNA secondary structure on the basis of data from microarrays of 2‘-O-methyl RNA 9-mers immobilized in agarose film on glass slides is tested with a 249 nucleotide RNA from the 3‘ end of the R2 retrotransposon from Bombyx mori. Various algorithms incorporating binding data and free-energy minimization calculations were compared for interpreting the data to provide possible secondary structures. Two different methods give structures with 100 and 87% of the base pairs determined by sequence comparison. In contrast, structures predicted by free-energy minimization alone by Mfold and RNAstructure contain 52 and 72% of the known base pairs, respectively. This combination of high throughput microarray techniques with algorithms using free-energy calculations has potential to allow for fast determination of RNA secondary structure. It should also facilitate the design of antisense and siRNA oligonucleotides.

Url:
DOI: 10.1021/bi052618x


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Le document en format XML

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<div type="abstract">A method to deduce RNA secondary structure on the basis of data from microarrays of 2‘-O-methyl RNA 9-mers immobilized in agarose film on glass slides is tested with a 249 nucleotide RNA from the 3‘ end of the R2 retrotransposon from Bombyx mori. Various algorithms incorporating binding data and free-energy minimization calculations were compared for interpreting the data to provide possible secondary structures. Two different methods give structures with 100 and 87% of the base pairs determined by sequence comparison. In contrast, structures predicted by free-energy minimization alone by Mfold and RNAstructure contain 52 and 72% of the known base pairs, respectively. This combination of high throughput microarray techniques with algorithms using free-energy calculations has potential to allow for fast determination of RNA secondary structure. It should also facilitate the design of antisense and siRNA oligonucleotides.</div>
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