Table 1.
Chromosomal mapping of BAC clones in Ciona intestinalis
| Chromosome | Chromosome arm length (Mb) estimated by cytogenetic analysis | Number of BAC clones mapped by FISH | Total size (Mb) of joined and mapped scaffolds | % coverage | Number of BAC clones**corresponding to mapped scaffolds |
|---|---|---|---|---|---|
| 1p | 6.15 | 5 | 4.427703 | 71.9 | 141 |
| 1q | 10.34 | 10 | 5.059860 | 48.9 | 179 |
| 2p | 4.03 | 0 | 0 | 0 | 0 |
| 2q | 11.31 | 14 | 7.652363 | 67.6 | 333 |
| 3p | 5.34 | 6 | 1.807897 | 33.8 | 63 |
| 3q | 7.69 | 11 | 4.971595 | 64.6 | 194 |
| 4p | 4.56 | * | * | * | * |
| 4q | 8.47 | 10 | 5.372748 | 63.4 | 220 |
| 5p | 4.25 | * | * | * | * |
| 5q | 7.95 | 11 | 5.268640 | 66.3 | 179 |
| 6p | 4.85 | * | * | * | * |
| 6q | 6.2 | 7 | 2.267187 | 36.6 | 71 |
| 7p | 3.21 | 0 | 0 | 0 | 0 |
| 7q | 7.84 | 11 | 6.392846 | 81.5 | 217 |
| 8p | 2.78 | 0 | 0 | 0 | 0 |
| 8q | 7.94 | 23 | 6.421300 | 80.8 | 269 |
| 9p | 4.85 | 4 | 2.887692 | 59.5 | 110 |
| 9q | 5.87 | 8 | 3.683591 | 62.7 | 155 |
| 10p | 4.27 | 4 | 1.809801 | 42.3 | 70 |
| 10q | 6.45 | 8 | 3.222832 | 49.9 | 125 |
| 11p | 4.27 | 7 | 2.430748 | 56.9 | 75 |
| 11q | 5.63 | 5 | 1.579050 | 28.0 | 47 |
| 12p | 4.23 | 3 | 1.465373 | 34.6 | 42 |
| 12q | 5.67 | 7 | 3.741953 | 65.9 | 146 |
| 13p | 3.67 | 1 | 0.192510 | 5.2 | 4 |
| 13q | 4.25 | 3 | 1.436447 | 33.7 | 45 |
| 14p | 3.62 | 4 | 1.851839 | 51.1 | 61 |
| 14q | 4.3 | 8 | 2.191802 | 50.9 | 70 |
| Total | 159.99 | 170 | 76.135777 | 47.6 | 2816 |
*
18S/28S rDNA repeat-containing regions, as also indicated in Figure 2
**
BAC clones are counted only when both paired-BAC end sequences corresponding to the scaffolds map to the same chromosome arm (BLASTN hit with >90% identity, alignment length >100, probability <e-80) and 45.2% of the BAC clones are annotated