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Table 4 Non-synonymous (Ka) and synonymous (Ks) substitution rates, and nucleotide diversity at synonymous (Pi(s)) and non-synonymous (Pi(a)) sites in HTCC1062 genes.

From: Natural variation in SAR11 marine bacterioplankton genomes inferred from metagenomic data

Gene number

Gene product, function

n*

Ks

Ka

Ka/Ks

Pi(s)

Pi(a)

SAR11_0162

groEL, chaperonin

18

1.0378 (0.257

0.0524 (0.0284)

0.0504 (0.0268)

0.575

0.038

SAR11_0426

suv3, ATP dependent helic

6

1.4618 (0.241

0.1686 (0.0415)

0.1153 (0.0155)

0.618

0.085

SAR11_0428

thlA, acetyl-coa transferase

6

0.6576 (0.680

0.0933 (0.0966)

0.1419 (0.1419)

0.617

0.284

SAR11_0641

recA, recombinase

15

0.8581 (0.255

0.0604 (0.0277)

0.0704 (0.0223)

0.424

0.036

SAR11_0906

dnaE, DNA polymerase

13

1.5300 (1.279

0.2160 (0.1809)

0.1412 (0.1198)

0.592

0.228

SAR11_1122

rpoC, RNA polymerase

5

1.2869 (0.831

0.0535 (0.0356)

0.0415 (0.0269)

0.625

0.070

SAR11_0078

Epimerase

38

0.6909 (0.309

0.1468 (0.0698)

0.2124 (0.0979)

0.525

0.131

SAR11_0267

CHO transport

14

0.9431 (0.274

0.0992 (0.0323)

0.1052 (0.0204)

0.584

0.088

SAR11_0268

CHO transport

17

0.9077 (0.475

0.1090 (0.0612)

0.1200 (0.0743)

0.545

0.113

SAR11_0273

CHO transport

2

2.3162 (0.000

0.2294 (0.000)

0.0991 (0.000)

0.365

0.110

SAR11_0274

CHO transport

3

0.9938 (0.841

0.1177 (0.1019)

0.1184 (0.0838)

0.415

0.124

SAR11_0655

AA transport

6

0.8693 (0.437

0.0370 (0.0163)

0.0425 (0.0274)

0.497

0.042

SAR11_0660

AA transport

8

0.9990 (0.443

0.0776 (0.0394)

0.0777 (0.0365)

0.513

0.076

SAR11_0677

Unknown

5

1.5142 (0.742

0.1599 (0.0940)

0.1056 (0.0477)

0.531

0.531

SAR11_0764

Conserved hypothetical

5

1.5142 (0.742

0.1599 (0.0940)

0.1056 (0.0477)

0.638

0.142

SAR11_1012

Glycosyl transferase

27

1.4290 (1.279

0.3259 (0.2998)

0.2280 (0.2110)

0.552

0.387

SAR11_1174

Phosphate regulation

29

1.2303 (0.585

0.2008 (0.1037)

0.1632 (0.0850)

0.598

0.180

SAR11_1175

Phosphate regulation

20

0.8141 (0.557

0.1070 (0.1140)

0.1314 (0.0950)

0.484

0.101

SAR11_1288

CHO metabolism

3

1.5345 (0.105

0.1548 (0.0377)

0.1009 (0.0190)

0.568

0.158

  1. * number of sequences tested.
  2. Six highly conserved genes are listed first. The remaining thirteen were sampled from the 22 HTCC1062 genes missing from closely related strain HTCC1002 that show variable syntenic fragment coverage. Standard error is shown in parentheses