Table 2 Comparison of EST sequencing statistics with representative Picea and Pinus studies
Species | Sequencing method | Average length, bp | Number of ESTs (a) | Singletons (b) | Contigs (c) | No of unigenes (b + c) | EST redundancy,% [(a-b)/a] | Contig redundancy [(a-b)/c] | Reference |
|---|---|---|---|---|---|---|---|---|---|
Picea mariana | Sanger | 532 | 4,594 | 2,234 | 497 | 2,731 | 51% | 4.7 | Current study |
Picea glauca | Sanger | 615 | 49,101 | 7,224 | 9,354 | 16,578 | 85% | 4.5 | [25] |
Picea sitchensis | Sanger | - | 147,146 | 26,804 | 19,941 | 46,745 | 82% | 6.0 | [4] |
Pinus taeda | Sanger | 364 | 59,797 | 12,307 | 8,070 | 20,377 | 79% | 5.9 | [2] |
Pinus contorta | 454 | 306 | 586,732 | 239,793 | 63,657 | 303,450 | 59% | 5.5 | [6] |