Table 1 Characteristics of cryptophyte mitochondrial genomes analyzed in this study
General characteristics | Proteomonas sulcata CCMP705 | Teleaulax amphioxeia HACCP CR01 | Storeatula species CCMP1868 | Rhodomonas salina CCMP1319 | Cryptomonas curvata FBCC300012D | Hemiselmis andersenii CCMP644 | Chroomonas placoidea CCAP978/8 |
|---|---|---|---|---|---|---|---|
Plastid color | red | red | red | red | brown | green | green |
Genome size (bp) | 37,009 | 43,442 | 54,527 | 43,375 | 37,438 | 40,898 | 44,384 |
(with Repeats) | (48,238) | (unknown) | (unknown)) | (48,063) | (39,464) | (60,553) | (46,700) |
G + C (%) | 31.2 | 32.8 | 29.0 | 29.8 | 25.81 | 30.0 | 29.4 |
repeat region | not inverted | inverted | inverted | inverted | not inverted | not inverted | not inverted |
present | present | present | present | present | present | present | |
(1.1Kb) | Â | Â | (4.7Kb) | (2.03Kb) | (19.7Kb) | (2.3 Kb) | |
Total gene (include RNAs) | 69 | 73 | 73 | 71 | 71 | 74 | 79 |
Gene direction (+/−) | 69/0 | 42/31 | 40/33 | 51/20 | 29/42 | 74/0 | 79/0 |
No. of protein-coding genes | 42 | 45 | 43 | 42 | 42 | 44 | 50 |
Unknown ORFs | 1 | 4 | 2 | 1 | 1 | 3 | 6 |
tRNAs | 25 | 26 | 28 | 27 | 27 | 28 | 27 |
introns | Â | group II | group II | group II | Â | Â | Â |
Genes with intron (no. of intron within gene) | Â | cox1(2) | cox1(3)/cob(1) | cox1(3) | Â | Â | cox1*(2) |
gene fission | Â | Â | Â | Â | Â | Â | cox1 (exon1-IEP-maturase)/cox1 (exon2) |
GenBank accession | MG680945 | MG680944 | MG680943 | NC_002572 | MG680942 | NC_010637 | MG680941 |