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Table 1 Composition of the smRNA libraries

From: miRNA regulation in the early development of barley seed

smRNA length

Sequences (million)

Signatures (million)

A

B

C

Total

A

B

C

Total

Singletons

>1RPM

1-36 nt

6.608

6.567

6.904

20.079

1.511

2.251

2.397

6.159

   

18-25 nt

5.284

5.214

4.837

15.335

1.336

2.046

2.159

4.801

3.900

81%

0.137

19-23 nt

1.682

1.806

1.910

5.398

0.449

0.560

0.507

1.313

1.080

82%

0.041

21 nt

0.410

0.500

0.530

1.440

0.100

0.110

0.090

0.249

0.200

80%

0.008

24 nt

3.240

3.100

2.590

8.930

0.800

1.400

1.570

3.268

2.640

81%

0.090

  1. Number of sequences and signatures (unique sequences) for different length of smRNAs found in smRNA libraries made from whole caryopsis tissue at the three developmental stages: A (1–5 DPA), B (6–10 DPA) and C (11–15 DPA). Singletons are the signatures found only once. The column “>1 RPM” shows the number of signatures with more than 1 Read Per Million (RPM).