Table 1 

Averaged measures of synteny preservation for 43 pairs of ohnologs versus 15 SSD pairs in the S. cerevisiae genome 

Synteny Measure 
Ohnologs 
SSD pairs 
pvalue 


Upstream continuous 
1.41 
0.47 
0.0002 
Downstream continuous 
1.50 
0.20 
< 0.0001 
Upstream continuous + Downstream continuous 
2.91 
0.67 

Upstream total 
10.08 
3.00 
< 0.0001 
Downstream total 
9.79 
1.67 
< 0.0001 
Upstream total + Downstream total 
19.87 
4.67 



For all measures of synteny (upstream continuous, downstream continuous, upstream total, and downstream total), the extent of synteny preservation is significantly greater in ohnologs relative to SSD pairs based on Wilcoxon tests. 

Bu et al. BMC Evolutionary Biology 2011 11:279 doi:10.1186/1471214811279 