Table 2

Comparison of genes occupyingextreme upstream and downstreampositions in the signalingnetwork
Parameter Upstream Downstream P
n Median Average n Median Average
ω 333 0.076 0.112 249 0.064 0.098 0.037*
dN 333 0.045 0.070 249 0.037 0.060 0.049*
dS 333 0.561 0.630 249 0.567 0.626 0.782
Expression level 322 27.32 116.28 243 32.43 165.13 0.239
Expression breadth 322 21.00 15.41 243 23.00 15.84 0.621
ENC 333 50.43 49.36 249 50.36 49.39 0.712
Connectivity 293 6.00 11.86 225 8.00 13.41 0.114
Number of paralogs 333 22.00 36.73 249 28.00 37.63 0.714

P-values were obtained from the Mann–Whitney U test. *, P < 0.05.

Alvarez-Ponce

Alvarez-Ponce BMC Evolutionary Biology 2012 12:192   doi:10.1186/1471-2148-12-192

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