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Table 4 Substitution saturation analysis of the CRA region based on the index of substitution saturation as implemented in DAMBE6

From: Mind the gap! The mitochondrial control region and its power as a phylogenetic marker in echinoids

Marker dataset

Number of OTUa

Issb

Iss.cSymc

dfd

p valuee

Iss.cAsymf

dfd

p valuee

CRA-All

4

0.240

0.789

366

< 0.0001

0.757

366

< 0.0001

8

0.259

0.743

366

< 0.0001

0.631

366

< 0.0001

16

0.242

0.703

366

< 0.0001

0.494

366

< 0.0001

32

0.260

0.692

366

< 0.0001

0.363

366

0.0001

  1. aNumber of sequences used in the random resampling
  2. bindex of substitution saturation
  3. ccritical value for a symmetrical tree topology
  4. ddegrees of freedom
  5. eprobability that Iss is significantly different from the critical value (Iss.cSym/Iss.cAsym)
  6. fcritical value for an asymmetrical tree topology
  7. Note: two-tailed tests are used