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de Lichtenberg U, et al.  (2005) Comparison of computational methods for the identification of cell cycle-regulated genes. Bioinformatics 21(7):1164-71

Abstract: MOTIVATION: DNA microarrays have been used extensively to study the cell cycle transcription programme in a number of model organisms. The Saccharomyces cerevisiae data in particular have been subjected to a wide range of bioinformatics analysis methods, aimed at identifying the correct and complete set of periodically expressed genes. RESULTS: Here, we provide the first thorough benchmark of such methods, surprisingly revealing that most new and more mathematically advanced methods actually perform worse than the analysis published with the original microarray data sets. We show that this loss of accuracy specifically affects methods that only model the shape of the expression profile without taking into account the magnitude of regulation. We present a simple permutation-based method that performs better than most existing methods.

Status: Published Type: Comparative Study | Evaluation Studies | Journal Article | Research Support, Non-U.S. Gov't | Validation Studies PubMed ID: 15513999

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