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Oxford University Press (OUP), Bioinformatics, 23(24), p. 2794-2795

DOI: 10.1093/bioinformatics/btn521

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WAVECLOCK: wavelet analysis of circadian oscillation

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Summary: Oscillations in mRNA and protein of circadian clock components can be continuously monitored in vitro using synchronized cell lines. These rhythms can be highly variable due to culture conditions and are non-stationary due to baseline trends, damping and drift in period length. We present a technique for characterizing the modal frequencies of oscillation using continuous wavelet decomposition to non-parametrically model changes in amplitude and period while removing baseline effects and noise.