Table 1 Comparison of haptophyte mitochondrial genomes
| Â | Chrysochromulina tobin UWC 291 | Phaeocystis antarctica (Partial) CCMP 1374 | Phaeocystis globosa(Partial) Pg-G(A) | Emiliania huxleyi CCMP 1516 | Emiliania huxleyi CCMP 373 | Pavlova lutheri CCMP 1325 (Partial) |
|---|---|---|---|---|---|---|
Genome Size (bp) | 34288 | 27547 | 24477 | 28660 | 29013 | 34086 |
 GC % | 31.4 | 29.7 | 30.5 | 28.5 | 28.3 | 37.3 |
Protein-coding genes | 21 | 19 | 18 | 20 | 20 | 22 |
 Respiratory coding proteins | 15 | 15 | 15 | 14 | 14 | 15 |
 Ribosomal proteins | 5 | 4 | 3 | 5 | 5 | 5 |
 Unique gene content | ORF457 | - | - | dam | dam | ORF636(dam), ORF105 |
 Missing genes found in other haptophytes | - | rps8 | rps8, rps14 | atp8 (partial only) | atp8 (partial only) | - |
RNA-coding genes | Â | Â | Â | Â | Â | Â |
 tRNAs | 25 | 26 | 25 | 25 | 25 | 24 |
 rRNA content | 1 (split operon) | 1 (split operon) | 1 (split operon) | 1 (intact operon) | 1 (intact operon) | 1 (split operon) |
Repeat elements | Â | Â | Â | Â | Â | Â |
 Tandem repeats | 3 | 27 | 4 | 5 | 7 | 27 |
 Inverted repeats | 1 | 4 | 6 | 3 | 1 | 1 |
 Large repeat regions | 1 | 2 | 2 | 1 | 1 | 1 |