Role of Gene Length in Control of Human Gene Expression: Chromosome-Specific and Tissue-Specific Effects

Table 1

Gene expression in group 1 compared to group 2 chromosomes.

Chromosome pool	Long genes	Short genes	All genes
Group 1: high long gene content^a
Mean transcription^c	23.0	465.7	109.4
Std error	2.1	188.2	28.0
No. of genes	490	198	1408
Group 2: low long gene content^b
Mean transcription	18.0	155.7	98.8
Std error	3.3	40.2	19.5
No. of genes	112	295	887
All chromosomes
Mean transcription	21.5	267.9	101.4
Std error	1.7	75.7	17.9
No. of genes	636	518	2413

^aGroup 1: chromosomes 2-10, 12-15, and 18. ^bGroup 2: chromosomes 1, 11, 16-17, 19-20, 22, and 24. ^cRPKM.