Table 2 Numbers of transcription factors predicted in 77 metazoan species

Aves

9103

Meleagris gallopavo

809

14,123

5.73

9031

Gallus gallus

941

15,455

6.09

59729

Taeniopygia guttata

1,291

17,441

7.40

Sauropsida

13735

Pelodiscus sinensis

1,211

18,170

6.66

Reptilia

28377

Anolis carolinensis

1,588

18,575

8.55

Mammalia

9258

Ornithorhynchus anatinus

1,009

21,669

4.66

9813

Procavia capensis

1,103

16,057

6.87

9785

Loxodonta africana

1,231

20,003

6.15

9371

Echinops telfairi

1,106

16,575

6.67

9986

Oryctolagus cuniculus

1,141

19,213

5.94

9978

Ochotona princeps

1,029

16,006

6.43

10141

Cavia porcellus

1,179

18,641

6.32

10020

Dipodomys ordii

968

15,798

6.13

10029

Cricetulus griseus

1,307

60,626

2.16

10090

Mus musculus

1,678

22,716

7.39

10116

Rattus norvegicus

1,491

22,401

6.66

43179

Ictidomys tridecemlineatus

1,236

18,786

6.58

9544

Macaca mulatta

1,593

21,859

7.29

9555

Papio anubis

1,585

21,785

7.28

9595

Gorilla gorilla

1,537

20,873

7.36

9606

Homo sapiens

1,757

22,030

7.98

9597

Pan paniscus

1,416

20,476

6.92

9598

Pan troglodytes

1,498

18,672

8.02

9601

Pongo abelii

1,505

20,370

7.39

61853

Nomascus leucogenys

1,451

18,534

7.83

9483

Callithrix jacchus

1,520

20,935

7.26

39432

Saimiri boliviensis

1,462

19,344

7.56

9478

Tarsius syrichta

961

13,628

7.05

30608

Microcebus murinus

1,128

16,319

6.91

30611

Otolemur garnettii

1,490

19,447

7.66

37347

Tupaia belangeri

1,005

15,471

6.50

9615

Canis familiaris

1,402

19,786

7.09

9669

Mustela putorius furo

1,342

19,872

6.75

9646

Ailuropoda melanoleuca

1,360

19,317

7.04

9685

Felis catus

1,321

19,459

6.79

9739

Tursiops truncatus

1,266

16,550

7.65

9913

Bos taurus

1,402

19,900

7.05

9823

Sus scrofa

1,353

21,390

6.33

30538

Vicugna pacos

730

11,765

6.20

132908

Pteropus vampyrus

1,219

16,990

7.17

59463

Myotis lucifugus

1,248

19,679

6.34

9365

Erinaceus europaeus

843

14,601

5.77

42254

Sorex araneus

713

13,187

5.41

9796

Equus caballus

1,343

20,408

6.58

9361

Dasypus novemcinctus

988

22,711

4.35

9358

Choloepus hoffmanni

822

12,393

6.63

9305

Sarcophilus harrisii

1,354

18,779

7.21

13616

Monodelphis domestica

1,666

21,299

7.82

9315

Macropus eugenii

973

15,290

6.36

Amphibia

8364

Xenopus tropicalis

1,241

18,346

6.76

Sarcopterygii

7897

Latimeria chalumnae

1,225

19,562

6.26

Actinopterygii

8090

Oryzias latipes

1,281

19,677

6.51

8083

Xiphophorus maculatus

1,450

20,375

7.12

8128

Oreochromis niloticus

1,551

21,420

7.24

69293

Gasterosteus aculeatus

1,317

20,787

6.34

31033

Takifugu rubripes

1,359

18,484

7.35

99883

Tetraodon nigroviridis

1,408

19,602

7.18

8049

Gadus morhua

1,309

20,095

6.51

7955

Danio rerio

2,376

26,239

9.06

Petromyzontida

7757

Petromyzon marinus

534

10,415

5.13

Ascidiacea

7719

Ciona intestinalis

485

16,652

2.91

51511

Ciona savignyi

441

11,616

3.80

Echinoidea

7668

Strongylocentrotus purpuratus

763

21,156

3.61

Enteropneusta

10224

Saccoglossus kowalevskii

526

22,077

2.38

Arachnida

34638

Metaseiulus occidentalis

554

11,451

4.84

Insecta

7070

Tribolium castaneum

519

9,761

5.32

7227

Drosophila melanogaster

662

13,792

4.80

7463

Apis florea

488

9,137

5.34

7460

Apis mellifera

318

10,618

2.99

30195

Bombus terrestris

529

9,433

5.61

132113

Bombus impatiens

530

9,859

5.38

143995

Megachile rotundata

530

9,178

5.77

7425

Nasonia vitripennis

528

11,450

4.61

7029

Acyrthosiphon pisum

717

15,611

4.59

Chromadorea

6239

Caenorhabditis elegans

782

20,541

3.81

Hydrozoa

6087

Hydra magnipapillata

441

16,826

2.62

Demospongiae

400682

Amphimedon queenslandica

227

9,768

2.32