Table 2

Number of genes – comparisons with hybrid genome – upstream versus downstream

Genome

Number of TSSs upstream

Number of TSSs downstream

Total

Proportion


i

ii

iii

iv = ii + iii

v = iii/iv


A

real

5738

10033

15771

63.6%

B

hybrid

3791

6072

9863

61.6%

C

A – B

1947

3961

5908

67.0% (X)


Columns ii and iii refer to the number of TSSs within 100 kb of the A+/T+ boundary, upstream or downstream respectively. The figure of 67.0% (X) is significantly different from 50.0% using a binomial distribution approximated by the normal distribution, p < 10-50, n = 5908, z = 26, one tailed test.

Evans BMC Genomics 2008 9:16   doi:10.1186/1471-2164-9-16

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