Table 1 Taxon table and Mauve results

Aeromonas hydrophila ATCC 7966

NC_008570

4,744,448

1,132,632

23.9

1,096

1,971,555

41.6

Fresh and marine [3]

Alteromonas macleodii deep ecotype

NC_011138

4,412,282

1,209,099

27.4

1,223

1,607,063

36.4

Mediterranean Sea [4]

Colwellia psychrerythraea 34H

NC_003910

5,373,180

1,272,052

23.7

1,279

2,130,197

39.6

Arctic sediments [5]

Shewanella amazonensis SB2B

NC_008700

4,306,142

1,312,077

30.5

1,279

3,228,613

79.4

Baltic Sea 120 m [6]

Shewanella baltica OS223

NC_011663

5,145,902

1,596,790

31.0

1,504

4,924,714

95.7

Baltic Sea 240 m [7–9]

Shewanella baltica OS155

NC_009052

5,127,376

1,515,912

29.6

1,469

4,778,750

93.2

Baltic Sea 240 m [7–9]

Shewanella baltica OS185

NC_009665

5,229,686

1,579,905

30.2

1,511

4,997,928

95.6

Baltic Sea 240 m [7–9]

Shewanella baltica OS195

NC_009997

5,347,283

1,572,889

29.4

1,496

5,038,451

94.2

Baltic Sea 240 m [7–9]

Shewanella denitrificans OS217

NC_007954

4,545,906

1,318,644

29.0

1,244

2,749,058

60.5

Baltic Sea deep [10]

Shewanella frigidimarina NCIMB 400

NC_008345

4,845,257

1,306,074

27.0

1,253

3,068,494

63.3

North Sea [11]

Shewanella halifaxensis HAW-EB4

NC_010334

5,226,917

1,469,687

28.1

1,407

4,727,461

90.4

Nova Scotia [12]

Shewanella loihica PV-4

NC_009092

4,602,594

1,339,527

29.1

1,306

3,377,749

73.4

Hawaii, USA [13]

Shewanella oneidensis MR-1

NC_004347

4,969,803

1,525,080

30.7

1,479

4,360,652

87.7

Oneida Lake, USA [14]

Shewanella pealeana ATCC 700345

NC_009901

5,174,581

1,485,394

28.7

1,424

4,573,456

88.4

Atlantic Ocean [15]

Shewanella piezotolerans WP3

NC_011566

5,396,476

1,485,147

27.5

1,482

4,252,921

78.8

Pacific Ocean [16]

Shewanella putrefaciens CN-32

NC_009438

4,659,220

1,596,811

34.3

1,559

4,351,757

93.4

Fresh and marine [1, 17]

Shewanella sediminis HAW-EB3

NC_009831

5,517,674

1,477,164

26.8

1,391

4,444,654

80.6

Nova Scotia [18]

Shewanella sp. ANA-3

NC_008577

4,972,204

1,494,516

30.1

1,394

4,647,695

93.5

Woods Hole, USA [19]

Shewanella sp. MR-7

NC_008322

4,792,610

1,478,293

30.8

1,392

4,564,063

95.2

Black Sea [14]

Shewanella sp. MR-4

NC_008321

4,706,287

1,478,804

31.4

1,499

4,567,658

97.1

Black Sea [14]

Shewanella sp. W3-18-1

NC_008750

4,708,380

1,578,878

33.5

1,517

4,443,111

94.4

Coastal Pacific [20]

Shewanella woodyi ATCC 51908

NC_010506

5,935,403

1,503,207

25.3

1,476

4,442,801

74.9

Mediterranean Sea [21]

# of LCBs

243

3,004

alignment length

3,361,015

12,456,624