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Table 10 Number of inferred periodic genes from real microarray data. Results obtained by using real microarray data are presented here. Permutation tests were used to obtain significance values for the robust spectra. Symbols: N is the length of the time series, M is the number of genes analysed, P (resp. P') is the number of found periodic genes having an unknown frequency (resp. frequency corresponding to the cell cycle length). Notes in the table: aSince the elutriation time course did not show any significant periodic components, we did not perform the test with a fixed frequency. bThe average spectrum showed several major peaks. The one in the vicinity of the assumed cell cycle frequency was chosen manually.

From: Robust detection of periodic time series measured from biological systems

Cell type Experiment N M P' P'/M P P/M Source
S.cerevisiae cdc15 24 5287 981 18.6 946(766) 17.9 [6]
S.cerevisiae cdc28 17 6103 363 6.0 32(105) 0.5  
S.cerevisiae alpha 18 6056 346 5.7 139(468) 2.3  
S.cerevisiae elutriation 14 6074 _a _a 4(193) 0.07  
Human HeLa Score3 48 41508 1285b 3.1b 3580(6043) 9.0 [5]
S.pombe cdc25-1 19 4373 1431 32.7 759 17.4 [7]
S.pombe cdc25-2 36 4422 2605 58.9 2197 49.7  
S.pombe cdc25-sep1 20 4700 2624 55.8 2295 48.8  
S.pombe elutriation1 20 4229 1948 46.1 551 13.0  
S.pombe elutriation2 20 3961 1453 36.7 384 9.7  
S.pombe elutriation3 20 4236 673 15.9 355 8.4  
S.pombe elutr.-cdc10-br 22 4647 3131 67.4 2431 52.3  
S.pombe elutr.-cdc25-br 21 4272 2405 56.3 767 18.0