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Table 1 Top 70 up-regulated contigs in initiating storage roots compared to fibrous roots

From: Transcriptional profiling of sweetpotato (Ipomoea batatas) roots indicates down-regulation of lignin biosynthesis and up-regulation of starch biosynthesis at an early stage of storage root formation

Contig

Length

ISR reads

FR reads

Fold change

Annotation

S_PBL_c2971

936

3135.5

2.1

1466.5

ABB97549.1 Sporamin A precursor [Ipomoea batatas]

S_PBL_c9555

931

1843.7

2.1

862.3

AAA33391.1 Sporamin A precursor

S_PBL_c21625

450

672.6

1.1

629.1

BAA00828.1 Beta-amylase [Ipomoea batatas]

S_PBL_c2075

958

502.3

1.1

469.9

not annotated

S_PBL_c1053

954

455.5

1*

455.6

AAA33390.1 Sporamin B

S_PBL_c54

918

2525.6

6.4

393.8

P10917.1 Sporamin A; Flags: Precursor

S_PBL_c17697

844

753.0

2.1

352.2

AAB52547.1 Sporamin precursor

S_PBL_c18468

263

311.5

1*

311.5

not annotated

S_PBL_c15531

438

2823.1

11.8

240.1

AAA33391.1 Sporamin A precursor

S_PBL_c8154

557

238.5

1*

238.5

not annotated

S_PBL_c3494

967

252.6

1.1

236.3

AAL55800.1 Sporamin [Ipomoea batatas]

S_PBL_c3628

759

195.5

1*

195.5

ABB90968.1 Sporamin B precursor [Ipomoea batatas]

S_PBL_c12997

481

190.8

1*

190.8

not annotated

S_PBL_c2027

1665

186.1

1.1

174.1

BAA02286.1 Beta-amylase [Ipomoea batatas]

S_PBL_lrc44407

487

158.1

1*

158.1

not annotated

S_PBL_c25030

652

150.6

1*

150.6

XP_001677106.1 Hypothetical protein CBG16734 [Caenorhabditis briggsae AF16]

S_PBL_c12797

567

134.7

1*

134.7

not annotated

S_PBL_c21769

669

131.0

1*

131.0

not annotated

S_PBL_lrc53020

508

386.3

3.2

120.5

not annotated

S_PBL_lrc25060

898

128.2

1.1

119.9

CAO23244.1 unnamed protein product [Vitis vinifera]

S_PBL_c34561

465

117.9

1*

117.9

XP_002298721.1 predicted protein [Populus trichocarpa]

S_PBL_c9857

630

581.8

5.3

108.9

not annotated

S_PBL_c3428

1350

577.2

5.3

108.0

not annotated

S_PBL_c18337

561

1035.5

9.6

107.6

AAX27911.1 unknown [Schistosoma japonicum]

S_PBL_c3870

696

104.8

1.1

98.0

ABB83474.1 Beta-expansin precursor [Solanum lycopersicum]

S_PBL_c45358

560

96.3

1*

96.3

CAO47717.1 unnamed protein product [Vitis vinifera]

S_PBL_c4363

735

199.2

2.1

93.2

not annotated

S_PBL_c20072

900

91.7

1*

91.7

P10965.1 Sporamin B; Flags: Precursor

S_PBL_c3830

725

291.8

3.2

91.0

EEF50674.1 conserved hypothetical protein [Ricinus communis]

S_PBL_c7863

397

90.7

1*

90.7

not annotated

S_PBL_lrc52376

494

189.9

2.1

88.8

not annotated

S_PBL_c2723

895

93.5

1.1

87.5

CAO43166.1 unnamed protein product [Vitis vinifera]

S_PBL_c1850

702

182.4

2.1

85.3

not annotated

S_PBL_c15391

502

89.8

1.1

84.0

not annotated

S_PBL_c26497

974

83.3

1*

83.3

XP_002327563.1 predicted protein [Populus trichocarpa]

S_PBL_c48117

388

262.9

3.2

82.0

P10933.1 Ferredoxin-NADP reductase, leaf isozyme, chloroplastic

S_PBL_c20358

683

85.1

1.1

79.6

CAO22863.1 unnamed protein product [Vitis vinifera]

S_PBL_c3576

454

169.3

2.1

79.2

not annotated

S_PBL_c8690

813

75.8

1*

75.8

AAU93595.1 HVA22-like protein c, putative [Solanum demissum]

S_PBL_c7526

860

79.5

1.1

74.4

not annotated

S_PBL_lrc53818

757

4080.3

58.8

69.4

BAF47746.1 ADP-glucose pyrophosphorylase beta subunit IbAGPb1A [Ipomoea batatas]

S_PBL_lrc52525

509

73.0

1.1

68.3

XP_002274272.1 PREDICTED: hypothetical protein [Vitis vinifera]

S_PBL_lrc30491

523

145.9

2.1

68.3

P27598.1 Starch phosphorylase L

S_PBL_c41294

520

68.3

1.1

63.9

not annotated

S_PBL_c32227

418

63.6

1*

63.6

not annotated

S_PBL_c54084

609

135.6

2.1

63.4

not annotated

S_PBL_c31475

869

66.4

1.1

62.1

not annotated

S_PBL_lrc52682

527

66.4

1.1

62.1

XP_002306992.1 predicted protein [Populus trichocarpa]

S_PBL_c10411

496

64.5

1.1

60.4

BAA31699.1 PKn2 [Ipomoea nil]

S_PBL_lrc27049

954

255.4

4.3

59.7

not annotated

S_PBL_c14744

705

63.6

1.1

59.5

EEF31509.1 Ubiquitin-protein ligase bre-1, putative [Ricinus communis]

S_PBL_c18129

413

1393.8

23.5

59.3

BAF47744.2 ADP-glucose pyrophosphorylase alpha subunit IbAGPa1 [Ipomoea batatas]

S_PBL_c7810

531

123.5

2.1

57.8

not annotated

S_PBL_c14132

307

57.1

1*

57.1

not annotated

S_PBL_c1234

886

2045.8

36.3

56.3

BAF47746.1 ADP-glucose pyrophosphorylase beta subunit IbAGPb1A [Ipomoea batatas]

S_PBL_c695

596

721.2

12.8

56.2

P27598.1 Starch phosphorylase L

S_PBL_c30129

726

56.1

1*

56.1

AAP41026.1 NTA15 protein [Nicotiana tabacum]

S_PBL_c12308

666

115.1

2.1

53.8

P93262.1 Phosphoglucomutase, cytoplasmic

S_PBL_c28076

644

53.3

1*

53.3

CAO21883.1 unnamed protein product [Vitis vinifera]

S_PBL_c16839

282

55.2

1.1

51.6

not annotated

S_PBL_c47419

537

55.2

1.1

51.6

EEF50087.1 Serine-threonine protein kinase, plant-type, putative [Ricinus communis]

S_PBL_c51126

492

661.3

12.8

51.6

BAF47744.2 ADP-glucose pyrophosphorylase alpha subunit IbAGPa1 [Ipomoea batatas]

S_PBL_c19033

878

51.4

1*

51.4

not annotated

S_PBL_lrc28526

555

51.4

1*

51.4

not annotated

S_PBL_c7145

689

161.8

3.2

50.5

not annotated

S_PBL_c12588

493

49.6

1*

49.6

not annotated

S_PBL_lrc53425

456

211.4

4.3

49.4

BAF47746.1 ADP-glucose pyrophosphorylase beta subunit IbAGPb1A [Ipomoea batatas]

S_PBL_c21020

403

103.8

2.1

48.6

not annotated

S_PBL_c1397

989

408.8

8.6

47.8

BAF47744.2 ADP-glucose pyrophosphorylase alpha subunit IbAGPa1 [Ipomoea batatas]

S_PBL_c19766

429

984.1

21.4

46.0

P27598.1 Starch phosphorylase L

  1. Expression values are expressed as normalized read number. ‘Fold change’ is calculated as ISR reads/FR reads. One annotation is given for each contig. Annotations of the two best hits for each contig (E value ≤ 1.0E-3) are available in Additional file 1. ISR, Initiating storage root, FR fibrous root. * - Read counts were changed from zero to one to enable ‘Fold change’ calculation (avoid dividing by zero).