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Table 1 Spearman correlation coefficient for gene expression data of D. melanogaster genes

From: A remarkably stable TipE gene cluster: evolution of insect Para sodium channel auxiliary subunits

 

TipE

Teh1

Teh2

Teh3

Teh4

Para

Slowpoke

Teh1

0.94 ***

      

Teh2

0.82 **

0.79 **

     

Teh3

0.70 *

0.69 *

0.94 ***

    

Teh4

0.80 **

0.71 *

0.59 *

0.52 NS

   

Para

0.92 ***

0.90 ***

0.77 **

0.61 *

0.69 *

  

Slowpoke

0.92 ***

0.92 ***

0.81 *

0.71 *

0.66 *

0.89 ***

 

CG18675

0.42 NS

0.41 NS

0.44 NS

0.51 NS

0.34 NS

0.21 NS

0.47 NS

  1. Spearman correlation coefficient p-values: *** < 1e-09, ** < 1e-06, * < 1e-03, NS not significant
  2. Spearman correlation tests performed on D. melanogaster gene expression data from developmental series experiments (see Additional file 4) using R (http://www.r-project.org/) show that the expression profiles of TipE gene family members are well-correlated, as well as with Para and Slowpoke. However, the expression profiles of these genes exhibit poor correlation with the host gene of TipE gene cluster, CG18675.