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Table 6 Occurrence in NOLPs of siRNAs*

From: The distribution and evolution of Arabidopsis thaliana cis natural antisense transcripts

Data set

Total number of unique siRNA mappings (NOLP)

Total number of unique siRNA mappings (OLP)

Number of unique trans-acting siRNA mappings** (NOLP)

# of unique siRNAs in NOLPs (significant sequence conservation)

# of unique siRNAs in NOLPs (conservation of expression in A.lyrata )

TAIR

579 ¶

701

4

101 †

32 †

Matsui2008

51283 ¶

78879

4609

12565 †

13750 †

Okamoto2010

23965 ¶

64804

2112

3949 †

4490 †

  1. *These counts are for non-redundant lists across all siRNA data sets. OLP stands for ‘OverLapping Part’.
  2. **Calculated as described in Methods.
  3. *Significant depletions using hypergeometric probability: † P < 0.0001.
  4. ¶ These total numbers of unique siRNA mappings are highly significantly depleted compared to what arises in randomly sampled inter-gene DNA (P < 0.00001 using normal statistics). To assess this, for each of the three actual data sets listed, 500 samples of near-gene DNA of the same distribution of sizes and position relative to neighbour genes as the actual set were generated (as described in the Methods ). TAIR: 0.0001 . Okamoto: 0.0003 Matsui <0.00001.
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BMC Genomics

ISSN: 1471-2164

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