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Table 5 Genetic distances and substitution rates of protein-coding genes of Bathymodiolus symbiotic bacteria between the two geographical groups, EPR + GAR and PAR

From: Geographical structure of endosymbiotic bacteria hosted by Bathymodiolus mussels at eastern Pacific hydrothermal vents

Gene

All codon positions

3rd pos.

1st and 2nd pos.

Synonymous distance (±SE) (syn. Substitution rate)

Nonsynonymous distance (±SE) (nonsyn. Substitution rate)

COI

0.0226a

0.0676

0.0001

0.102 (±1.37 × 10–6)

(0.96 b − 2.041c %)

7.31 × 10–5 (±6.47 × 10–8)

(6.89 × 10–4–1.46 × 10–3%)

dnaK

0.0274

0.0751

0.0036

0.116 (±1.11 × 10–6)

(1.10–2.33%)

2.94 × 10–4 (±1.18 × 10–7)

(2.75 × 10–3–5.48 × 10–3%)

pgi

0.0261

0.0705

0.0038

0.105 (±1.62 × 10–6)

(0.99–2.10%)

3.24 × 10–3 (±9.96 × 10–8)

(3.06 × 10–2–6.48 × 10–2%)

pykF

0.0147

0.0.043

0.0005

0.046 (±2.03 × 10–6)

(0.43–0.92%)

2.20 × 10–3 (±1.85 × 10–7)

(2.08 × 10–2–4.40 × 10–2%)

rpoD

0.0149

0.0448

0.0000

0.067 (±9.65 × 10–7)

(0.63–1.33%)

6.33 × 10–5 (±5.10 × 10–8)

(5.98 × 10–4– 1.27 × 10–3%)

soxA

0.0124

0.0356

0.0008

0.051 (±3.43 × 10–7)

(0.48–1.01%)

1.02 × 10–3 (±1.40 × 10–7)

(9.65 × 10–3–2.04 × 10–2%)

Average

0.0197

0.0232

0.0015

0.081 (±1.24 × 10–6)

(0.77–1.62%)

1.15 × 10–3 (±1.10 × 10–7)

(0.01–0.02%)

  1. aNucleotide difference per site
  2. bSubstitution rate (percentage per nucleotide per million years) calibrated by the geological time of the formation of Easter Microplate, estimated as about 5.3 million years ago
  3. cSubstitution rate calibrated by 2.5 million years as an age of the Easter Microplate
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BMC Ecology and Evolution

ISSN: 2730-7182

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