Sentence examples for deviations expression from inspiring English sources
These values were calculated based on the mean of gene expression ratio for each treatment plus two standard deviations (expression ratio values above 2 were not included for this calculation).
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In order to dissect the pattern, we computed GC3 and the standard deviations of expression levels for 15,625 O. sativa genes across 106 series of gene expression measurements (see Methods).
The Z-score numerical value measures the number of standard deviations the expression level of a gene in a specific tissue is from the mean expression level in all tissues.
Some of those deviations in expression from the model can be attributed to low or uneven depth of coverage, while other deviations might be attributable to errors in the gene model.
In addition to these main effects (genes as a group or tissues as a group), significant variation could be attributed to the gene-tissue interaction effect (F1680,5669 = 38.55, p<0.0001), reflecting gene specific deviations in expression across various tissues.
Three replications were performed to obtain average values and standard deviations of expression level for each gene.
Data normalization and the determination of statistically relevant deviations in expression patterns were performed as described [ 37].
The estimated (across arrays) standard deviations of expression levels for each gene can be summarized by reporting their average across genes for each of the six test-sites.
By dividing each input profile by the virtual control, we transform it into a differential profile (not shown in Figure 1), in order to increase the sensitivity of our method to deviations of expression values from the norm.
In both cases we observe similar distributions of standard deviations of expression levels across tissues between imprinted and non-imprinted genes (background) on the array [see Additional file 2].
