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Table 3 Comparative analyses of synonymous divergence (dS), non-synonymous divergence (dN), dN:dS ratios and codon bias index (CBI) of the Gypsy and Micropia sequences and Gpdh.

From: Multiple invasions of Gypsy and Micropia retroelements in genus Zaprionus and melanogaster subgroup of the genus Drosophila

Sequences CBI mean (min-max) dN mean (SE) dS mean (SE) dN:dS mean (SE)
Gypsy 0.414 (0.344-0.523)    
Subfamily 1     
Zaprionus × melanogaster spp.   0.045 (9.70 × 10-8) 0.128 (5.95 × 10-4) 0.374 (0.004)
melanogaster spp.   0.035 (3.88 × 10-5) 0.057 (6.49 × 10-4) 1.002 (0.465)
Subfamily 2 - V1     
Zaprionus × melanogaster spp.   0.028 (3.55 × 10-5) 0.176 (0.002) 0.189 (0.005)
Zaprionus spp.   0.032 (4.42 × 10-5) 0.177 (0.004) 0.310 (0.019)
melanogaster spp.   0.019 (4.85 × 10-5) 0.119 (0.002) 0.153 (0.002)
Subfamily 2 - V2     
Zaprionus × melanogaster spp.   0.028 (2.65 × 10-5) 0.106 (2.62 × 10-4) 0.291 (0.004)
Zaprionus spp.   0.027 (2.50 × 10-5) 0.088 (2.55 × 10-4) 0.365 (0.011)
melanogaster spp.   0.018 (1.10 × 10-6) 0.070 (1.90 × 10-4) 0.477 (0.013)
Micropia 0.467 (0.410-0.527)    
Zaprionus × melanogaster spp.   0.045 (1.44 × 10-5) 0.124 (1.94 × 10-4) 0.524 (0.015)
Zaprionus spp.   0.026 (3.80 × 10-5) 0.040 (2.45 × 10-4) 0.579 (0.019)
melanogaster spp.   0.028 (6.45 × 10-5) 0.068 (4.87 × 10-4) 0.388 (0.005)
Gpdh 0.602 (0.492-0.700)    
Zaprionus × melanogaster spp   0.009 (3.07 × 10-6) 1.012 (0.004) 0.009 (4.90 × 10-6)
Zaprionus spp.   0.005 (2.16 × 10-5) 0.150 (0.002) 0.041 (5.43 × 10-4)
melanogaster spp.   0 0.193 (0.003) 0
  1. Note: Pairwise dS and dN distances in Additional files 3 and 6.