Table 1. General features of known ptDNAs in Trebouxiophytes.
| Species | Size (bp) | %ncDNA (including introns)a,b | Mean intergenic distance (bp) | Proteinc | rRNAd | tRNA | G + C (%) | Inverted repeats | Accession |
|---|---|---|---|---|---|---|---|---|---|
| Helicosporidium sp. | 37,454 | 22.2 | 319 | 26 | 3 | 25 | 26.9 | NC_008100 | |
| Prototheca wickerhamii | 55,636 | 28.8 | 400 | 40 | 3 | 27 | 31.2 | KJ001761 | |
| Auxenochlorella protothecoides | 84,580 | 24.6 | 273 | 76 | 3 | 30 | 30.8 | KC843975 | |
| Chlorella sorokiniana | 109,811 | 43.0 | 629 | 75 | 3 | 31 | 34.0 | NC_023835 | |
| Chlorella sp. ArM0029B | 119,989 | 46.2 | 692 | 80 | 3 | 32 | 33.9 | KF554427 | |
| Parachlorella kessleri | 123,994 | 45.3 | 668 | 84 | 6 | 36 | 30.0 | 10,913 | NC_012978 |
| Chlorella variabilis | 124,579 | 49.5 | 770 | 80 | 3 | 32 | 33.9 | NC_015359 | |
| Trebouxiophyceae sp. MX-AZ01 | 149,707 | 52.2 | 977 | 80 | 3 | 32 | 57.7 | NC_018569 | |
| Chlorella vulgaris | 150,613 | 43.3 | 375 | 174 | 3 | 33 | 31.6 | NC_001865 | |
| Coccomyxa sp. C-169 | 175,731 | 60.0 | 1318 | 80 | 3 | 32 | 50.7 | NC_015084 | |
| Leptosira terrestris | 195,081 | 56.8 | 1259 | 88 | 3 | 28 | 27.3 | NC_009681 |
aConserved genes, unique ORFs and intronic ORFs were counted as coding sequences.
bncDNA; non-coding DNA.
c,dGenes within inverted repeats were counted twice.