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Table 2 Nucleotide substitution parameters estimated from ITS sequence data of 16 annual/perennial pairs used to simulate DNA sequences with Seq-Gen.

From: Reconsidering the generation time hypothesis based on nuclear ribosomal ITS sequence comparisons in annual and perennial angiosperms

 

ITS1

ITS2

Combined ITS

Phylip tree

((A:0.036, P:0.021): 0.006, O:0.113)

((A:0.036, P:0.024): 0.003, O:0.095)

((A:0.036, P:0.022): 0.004, O:0.103)

 

((A:0.035, P:0.022): 0.012, O:0.186)

((A:0.033, P:0.028): 0.008, O:0.192)

((A:0.033, P:0.025): 0.010, O:0.185)

Ti/Tv

1.59

2.34

1.46

 

2.53

2.25

1.48

Seq. length

237

214

450

 

234

213

447

Rate Δ

1.73

1.52

1.63

 

1.60

1.18

1.34

  1. Phylip tree corresponds to the branch length thresholds and topology where A is the annual-like taxon, P is the perennial-like taxon and O is the outgroup.
  2. Ti/Tv indicates the transition/transversion ratio, seq. length indicates the average sequence length and rate difference rate (Rate Δ is the average estimated substitution rate difference for each annual and perennial pair.
  3. The top set of parameters in each row represents the less diverged outgroup and the bottom set in each row the more diverged outgroup.