Additional file 11.

Coefficient of variation among RNA-Seq replicates by strain. (A) Histogram of the coefficient of variation (standard deviation/mean) for genes with GEI > 0 in both replicates for 10403S and ΔsigB strain. There is less variation between ΔsigB replicates compared to the 10403S replicates, but very few genes have a coefficient > 0.6. (B) Histogram depicting the GEI of one replicate for genes where the other replicate GEI = 0. The replicate GEI of the gene for which the other replicate is 0 (zero) is typically very low (GEI < 0.7).

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Oliver et al. BMC Genomics 2009 10:641   doi:10.1186/1471-2164-10-641