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Table 3 The hypergeometric tests for the partition effect of the deacetylation sites for the co-regulated (YPD) gene pairs. For every correlation threshold, the number of pair-wise correlations for the genes with a common regulator and in the same partition group that are above the threshold was counted. The number of pair-wise correlations for the genes with same regulator and in the neighboring partition groups that are above the threshold was also counted. The probability of randomly drawing such high numbers of gene pairs above the threshold from all of the gene pairs with same regulator is determined by a hypergeometric distribution. The p-values are indicated in the table.

From: Gene expression analysis reveals that histone deacetylation sites may serve as partitions of chromatin gene expression domains

Total gene pairs sharing one regulator

Gene pairs sharing one regulator and both are in the same deacetylation partition group

Threshold for correlations

Number of gene pairs sharing one regulator above the threshold

Number of gene pairs sharing one regulator and both are in the same deacetylation partition group above the threshold

P-values based on the hypergeometric tests

24,833

141

0.5

4,676

80

3.43e-011

  

0.6

2,925

54

2.37e-011

  

0.7

1,519

45

2.24e-011

  

0.8

422

20

2.92e-011

  

0.9

30

3

0.0000243

Total gene pairs sharing one regulator

Gene pairs sharing one regulator and they belong to neighboring deacetylation partition groups

Threshold for correlations

Number of gene pairs sharing one regulator above the threshold

Number of gene pairs sharing one regulator and they belong to neighboring deacetylation partition groups above the threshold

P-values based on the hypergeometric tests

24,833

46

0.5

4,676

12

0.0784

  

0.6

2,925

8

0.0853

  

0.7

1,519

8

0.00165

  

0.8

422

2

0.0432

  

0.9

30

0

0.0541