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Hierarchical structure of cascade of primary and secondary periodicities in Fourier power spectrum of alphoid higher order repeats |
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| Authors: | Vladimir Paar Nenad Pavin Ivan Basar Marija Rosandić Matko Glunčić Nils Paar |
| Institution: | (1) Faculty of Science, University of Zagreb, Bijenička 32, 10000 Zagreb, Croatia;(2) Max Planck Institute for the Physics of Complex Systems, Noethnitzer Str. 38, 01187 Dresden, Germany;(3) Department of Internal Medicine, University Hospital Rebro, University of Zagreb, Kišpatićeva 12, 10000 Zagreb, Croatia |
| Abstract: | BackgroundIdentification of approximate tandem repeats is an important task of broad significance and still remains a challenging problem of computational genomics. Often there is no single best approach to periodicity detection and a combination of different methods may improve the prediction accuracy. Discrete Fourier transform (DFT) has been extensively used to study primary periodicities in DNA sequences. Here we investigate the application of DFT method to identify and study alphoid higher order repeats. |
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