Table 1 Sequenced strains and available genomes used in this study

S. agalactiae GD201008-001

Ia

ST-7

NC_018646

Complete

2,063,112

35.6

1,964

Fish

China

S. agalactiae SA20-06

Ib

ST-553

NC_019048

Complete

1,820,886

35.6

1,710

Fish

Brazil

S. agalactiae ZQ0910

Ia

ST-7

NZ_AKAP00000000

Scaffolds

2,008,809

35.4

1,970

Fish

China

S. agalactiae STIR-CD-17

Ib

ST-260

NZ_ALXB00000000

Scaffolds

1,805,303

35

1,698

Fish

Honduras

S. agalactiae A909

Ia

ST-7

NC_007432

Complete

2,127,839

35.6

1,996

Human

USA

S. agalactiae NEM316

III

ST-23

NC_004368

Complete

2,211,485

35.6

2,094

Human

France

S. agalactiae 2603 V/R

V

ST-110

NC_004116

Complete

2,160,267

35.6

2,124

Human

USA

S. agalactiae 18RS21

II

ST-19

NZ_AAJO00000000

Scaffolds

2,192,158

36.9

2,146

Human

USA

S. agalactiae 515

Ia

ST-23

NZ_AAJP00000000

Scaffolds

2,088,029

35.3

2,275

Human

USA

S. agalactiae CJB111

V

ST-1

NZ_AAJQ00000000

Scaffolds

2,104,864

35.6

2,197

Human

USA

S. agalactiae COH1

III

ST-17

NZ_AAJR00000000

Scaffolds

2,204,946

35.5

2,376

Human

USA

S. agalactiae GB00112

III

ST-17

NZ_AKXO00000000

Scaffolds

2,033,051

35.2

1,952

Human

Canada

S. agalactiae H36B

Ib

ST-6

NZ_AAJS00000000

Scaffolds

2,200,617

35.6

2,376

Human

USA

S. agalactiae ATCC 13813

II

ST-337

NZ_AEQQ00000000

Scaffolds

2,114,958

35.2

2,211

Bovine

UK

S. agalactiae FSL S3-026

III

ST-67

NZ_AEXT00000000

Scaffolds

2,455,848

36.1

2,334

Bovine

USA