Table 1.
Species | cpDNA size (kb) | GC content (%) | Gene number (unique genes) | Protein coding genes/ORFs d | rRNA genes | tRNA genes | % Coding b | Intergenic space (%) | Intron (%) c | Intron (%) b | Intron number | Quadripartite structure | Reference |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
B. plumosa | 106.9 | 30.8 | 115 | 79/7 | 3 | 26 | 74.4 | 20.1 | 5.5 | 8.3 | 13 | - | This study |
T. expeditiones | 105.2 | 32.8 | 125 | 77/17 | 3 | 28 | 77.5 | 16.3 | 6.3 | 11.2 | 11 | - | This study |
B. hypnoides a | 153.4 | 33.1 | 131 | 78/11 | 3 | 39 | 55.9 | 38.9 | 5.2 | 7.1 | 11 | - | [13]a |
P. akinetum | 195.8 | 31.5 | 135 | 74/29 | 3 | 29 | 53.9 | 37.5 | 8.5 | 12.3 | 28 | + | [12] |
O. viridis | 151.9 | 40.5 | 112 | 75/8 | 3 | 26 | 57.9 | 39.5 | 2.5 | 6.8 | 10 | + | [11] |
aRe-annotated in this study (see Additional file 2).
bIncluding intronic open reading frames (ORFs).
cExcluding intronic ORFs.
dOnly those ORFs are included, which were found to have a significant blastp result (E value < 1e-04).