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Table 1 Synonymous (Ks) and non-synonymous (Ka) substitution rates are represented for each gene pairs and the estimated time for the tandem and segmental duplication events C2H2-zinc finger genes

From: Genome-wide analysis of cotton C2H2-zinc finger transcription factor family and their expression analysis during fiber development

Gene 1

Gene 2

Ka

Ks

Ka/Ks

Negative selection

Duplicated time (Mya)

Gh_A01G1610

Gh_D01G1850

0.0147

0.0446

0.329596

Yes

1.486667

Gh_A04G0724

Gh_D04G1191

0.0164

0.0404

0.405941

Yes

1.346667

Gh_A05G0618

Gh_D05G0749

0.0324

0.0331

0.978852

Yes

1.103333

Gh_A05G2644

Gh_D05G2946

0

0

0

Yes

0

Gh_A05G2922

Gh_A05G2923

0

0

0

Yes

0

Gh_A05G3205

Gh_D04G0401

0.0161

0.0546

0.294872

Yes

1.82

Gh_A06G0175

Gh_D06G0169

0.0042

0.0076

0.552632

Yes

0.253333

Gh_A06G1535

Gh_D06G1905

0.0374

0.0634

0.589905

Yes

2.113333

Gh_A09G0835

Gh_D09G0856

0.0127

0.031

0.409677

Yes

1.033333

Gh_A10G1009

Gh_D10G1529

0.0286

0.069

0.414493

Yes

2.3

Gh_A10G1921

Gh_D10G2215

0.0247

0

0

Yes

0

Gh_A13G0183

Gh_D13G0198

0.0192

0.0199

0.964824

Yes

0.663333

Gh_A13G2132

Gh_D13G0718

0.0028

0

0

Yes

0

Gh_D02G1695

Gh_A03G1255

0.0167

0.0102

1.637255

No

0.34

Gh_D02G2295

Gh_A03G1856

0.0204

0.028

0.728571

Yes

0.933333

Gh_D05G0854

Gh_A05G0718

0.0148

0.0154

0.961039

Yes

0.513333

Gh_D05G0878

Gh_A05G0747

0.0028

0

0

Yes

0

Gh_D05G1143

Gh_A05G1026

0.018

0

0

Yes

0

Gh_D05G1990

Gh_A05G1795

0.0379

0

0

Yes

0

Gh_D05G2011

Gh_A05G1815

0.0339

0.0126

2.690476

No

0.42

Gh_D06G0302

Gh_A06G0282

0.0104

0

0

Yes

0

Gh_D06G0903

Gh_A06G0780

0.0064

0.0443

0.14447

Yes

1.476667

Gh_D07G2141

Gh_A07G1918

0

0.0309

0

Yes

1.03

Gh_D09G1495

Gh_A09G1485

0.0166

0.0131

1.267176

No

0.436667

Gh_D09G1496

Gh_A09G1486

0.0167

0.0258

0.647287

Yes

0.86

Gh_D10G1973

Gh_A10G1704

0.0412

0.1067

0.386129

Yes

3.556667

Gh_D10G2214

Gh_A10G2356

0.0374

0

0

Yes

0

Gh_D10G2304

Gh_A10G1997

0.0275

0.01

2.75

No

0.333333

Gh_D11G0560

Gh_A11G0482

0.0217

0.0436

0.497706

Yes

1.453333

Gh_D11G2018

Gh_A11G1957

0.0455

0.0141

3.22695

No

0.47

Gh_D11G2046

Gh_A11G1928

0.0106

0.0149

0.711409

Yes

0.496667

Gh_D12G2156

Gh_A12G1978

0.0111

0.0092

1.206522

No

0.306667

Gh_D13G0287

Gh_A13G0268

0.023

0.032

0.71875

Yes

1.066667

Gh_D13G0838

Gh_A13G0716

0.0241

0.0149

1.61745

No

0.496667

Gh_D13G1149

Gh_A13G0909

0.0419

0.0318

1.31761

No

1.06

Gh_D13G1953

Gh_A13G1592

0

0

0

Yes

0

Gh_D13G2392

Gh_A13G1993

0

0.0277

0

Yes

0.923333