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Figure 4 | BMC Genomics

Figure 4

From: How many human genes can be defined as housekeeping with current expression data?

Figure 4

Validation of EST-defined HK gene in 51 tissues. Expression breadth distributions in 51 human tissues currently having EST data are compared among total genes and HK genes defined in 18 tissues. The expression breadth distribution of total genes in 51 tissues has two modes representing TS and HK genes respectively, but due to the limited gene detectability in poorly sampled tissues, the spike of HK genes peaks at value 35 and diminishes as tissue broadness increases. The expression breadths of HK genes defined in 18 tissues peak at about value 42 showing very broad expression in 51 tissues.

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