Table 1.
Gene contents and total length of six mitotypes
| Feature | cam(%) | jun(%) | ole(%) | car(%) | pol(%) | nap(%) |
|---|---|---|---|---|---|---|
| Total gene content | 54 | 54 | 95 | 53 | 56 | 55 |
| Protein-coding genes | 34 | 34 | 56 | 33 | 35 | 35 |
| rRNA | 3 | 3 | 4 | 3 | 3 | 3 |
| tRNA | 18 | 18 | 35 | 17 | 18 | 17 |
| Total gene length | 67729(30.82) | 67732(30.82) | 112418(31.20) | 64976(27.98) | 68408(30.62) | 68415(30.84) |
| Protein exons | 31620(14.39) | 31620(14.39) | 52753(14.64) | 30297(13.05) | 32295(14.46) | 32259(14.54) |
| Protein introns | 29590(13.47) | 29593(13.47) | 48722(13.52) | 28234(12.16) | 29594(13.25) | 29711(13.39) |
| rRNA | 5143(2.34) | 5143(2.34) | 8263(2.29) | 5143(2.21) | 5143(2.30) | 5143(2.32) |
| tRNA | 1376(0.63) | 1376(0.63) | 2680(0.74) | 1302(0.56) | 1376(0.62) | 1302(0.59) |
The percentage of gene length accounting for the entire genome is indicated in parentheses. Cam, jun, ole, and car denote the mitotype of B. rapa, B. juncea, B. oleracea, and B. carinata, respectively. And the pol and nap denote two mitotypes of B. napus.