Table 1

Different types of cis-NATs identified in Arabidopsis and rice and cis-NATs that generated cis-nat-siRNAs

Type of cis-NAT pairs

All pairs

All pairs analyzed

Pairs with >10 siRNA reads in OR (%)^a

Pairs with siRNAs only in the OR (%)^b

Pairs with siRNAs >2-fold enriched in OR (%)^b

Pairs with siRNAs of strand bias (>2-fold) (%)^b

Arabidopsis

Convergent

1,126

1,103

23 (2.1%)

5 (21.7%)

9 (37.5%)

13 (54.2%)

Divergent

142

127

22 (17.3%)

4 (18.2%)

5 (20.0%)

11 (44.0%)

Enclosed

171

144

39 (27.1%)

7 (17.9%)

10 (23.8%)

22 (52.4%)

Total

1,439

1,374

84 (6.1%)

16 (19.0%)

24 (26.4%)

46 (50.5%)

Rice

Convergent

560

551

68 (12.3%)

20 (29.4%)

31 (45.6%)

36 (52.9%)

Divergent

100

99

12 (12.1%)

1(8.3%)

3 (25.0%)

4 (33.3%)

Enclosed

107

107

39 (36.4%)

13 (33.3%)

11 (28.2%)

23 (59.0%)

Total

767

757

119 (15.7%)

34 (28.6%)

45 (37.8%)

63 (52.9%)

OR, overlap region of a cis-NAT transcript pair. ^a The percentage of cis-NAT pairs in all cis-NAT pairs analyzed. ^b The percentage of the specified cis-NAT pairs in the corresponding regions with siRNAs.

Zhang et al. Genome Biology 2012 13:R20   doi:10.1186/gb-2012-13-3-r20