Table 1

Co-expression of directly neighbouring genes

Type

Co-expression *

P** (compared to random pairs)


Bi-directional

0.084

<10-15

Uni-directional

0.088

<10-15

Convergent

0.035

0.0067


* Average Pearson correlation coefficient

** To derive a Null expectation, we analyzed 100,000 pairs of randomly chosen genes; mean Pearson correlation of this random dataset is 0.014. P-values from Wilcoxon rank sum tests.

Chen et al. BMC Genomics 2010 11:178   doi:10.1186/1471-2164-11-178

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