Table 1 List of identified circRNAs involved in the regulation of low nitrogen-promoted root growth

CircRNA1023

1A:24,294–46,159

TGACv1_scaffold_019564_1AS

tae-miR9660-5p; tae-miR9657b-5p; tae-miR9773; tae-miR1134; tae-miR1133

CircRNA1120

1B:17,689–34,357

TGACv1_scaffold_031043_1BL

tae-miR1117; tae-miR1131

circRNA1393

2B:33,405–113,403

TGACv1_scaffold_146256_2BS

tae-miR9667-5p; tae-miR9652-5p; tae-miR9773; tae-miR9777; tae-miR9772

CircRNA998

5A:6372–31,156

TGACv1_scaffold_374926_5AL

tae-miR1127b-3p; tae-miR1128; tae-miR1135; tae-miR1137b-5p; tae-miR9653a-3p; tae-miR6197-5p; tae-miR1121; tae-miR5049-3p; tae-miR1133; tae-miR1137a; tae-miR9652-5p; tae-miR9773; tae-miR9655-3p

CircRNA866

5B:48,171–103,123

TGACv1_scaffold_404448_5BL

tae-miR7757-5p; tae-miR9663-5p; tae-miR1134; tae-miR1120a; tae-miR9670-3p; tae-miR9773; tae-miR9655-3p; tae-miR1133; tae-miR530; tae-miR9677a

CircRNA1525

U:31,407–76,069

TGACv1_scaffold_642737_U

tae-miR9772; tae-miR9657b-5p; tae-miR9667-5p

CircRNA362

U:19,588–25,979

TGACv1_scaffold_641443_U

tae-miR9780; tae-miR1134; tae-miR9677b; tae-miR9773

CircRNA1168

1A:1774–5928

TGACv1_scaffold_019820_1AS

–

CircRNA977

2A:17,304–20,041

TGACv1_scaffold_113232_2AS

–

CircRNA1198

2B:82,049–141,309

TGACv1_scaffold_146009_2BS

–

CircRNA907

2B:90,859–146,604

TGACv1_scaffold_129685_2BL

–

CircRNA1150

2D:14,143–17,119

TGACv1_scaffold_178493_2DS

–

CircRNA1272

2D:143,637–155,279

TGACv1_scaffold_158033_2DL

–

CircRNA1539

3D:29,228–32,651

TGACv1_scaffold_249219_3DL

–

CircRNA 347

4A:40,570-50,497

TGACv1_scaffold_289349_4AL

–

CircRNA806

4D:50,956–70,562

TGACv1_scaffold_343287_4DL

–

CircRNA982

4D:50,956–70,635

TGACv1_scaffold_343287_4DL

–

CircRNA765

5A:65,727–70,950

TGACv1_scaffold_375076_5AL

–

CircRNA1360

5B:1241–13,921

TGACv1_scaffold_404200_5BL

–

CircRNA962

6A:77,022–79,083

TGACv1_scaffold_485269_6AS

–

CircRNA1683

6A:77,371–794,321

TGACv1_scaffold_485269_6AS

–

CircRNA1258

5D:36,358–43,165

TGACv1_scaffold_434846_5DL

–

CircRNA910

U:88–71,065

TGACv1_scaffold_641580_U

–