Table 1.
Genome Features of Picochlorum costavermella and Other Sequenced Green Alga
| P. costavermella RCC4223 | P. SE3 | P. soloecismus | Chlorella variabilis NC64A | Coccomyxa subellipsoidea | Chlamydomonas reinhardtii | Ostreococcus tauri RCC4221 | |
|---|---|---|---|---|---|---|---|
| Genome size (Mb) | 13.33 | 13.28 | 15.36 | 46.16 | 49.19 | 112.53 | 12.57 |
| GC content (%) | 46.50 | 46.04 | 44.27 | 67.14 | 52.92 | 64.00 | 59.03 |
| Number of scaffolds | 31 | 1,266 | 40 | 414 | 47 | 90 | 22 |
| Largest scaffold (bp) | 1,794,128 | 564,282 | 1,551,012 | 3,119,887 | 4,035,500 | 9,982,135 | 1,076,297 |
| N50 (bp) | 764,180 | 126,215 | 724,710 | 1,469,606 | 1,959,569 | 6,617,689 | 739,027 |
| Protein coding genes | 9,304 | 7,367 | 6,869 | 9,791 | 9,629 | 17,741 | 7,668 |
| Average CDS length (bp) | 1,144 | 1,390 | 1,432 | 1,367 | 1,282 | 2,207 | 1,390 |
| Genes with introns (%) | 3,703 (40%) | 3,585 (49%) | 5,130 (74%) | 9,551 (98%) | 9,099 (95%) | 16,390 (92%) | 1,391 (18%) |
| Mean intron length (bp) | 88 | 101 | 133 | 208 | 285 | 270 | 139 |
| Mean intergenic length (bp) | 220 | 364 | 613 | 1,714 | 1,780 | 2,029 | 256 |
| Coding fraction (%) | 80% | 78% | 64% | 33% | 26% | 36% | 82% |
| Nuclear tRNAs | 42 | 24a | 75a | 43a | 91a | 260 | 47 |
| mtDNA (bp) | 34,178 | / | 38,672 | 78,500 | 65,497 | 15,758 | 44,237 |
| cpDNA (bp) | 74,290 | / | 72,741 | 124,579 | 175,731 | 203,828 | 71,666 |
| References | This study | (Foflonker et al. 2015) | (Gonzalez-Esquer et al. 2018) | (Blanc 2010) | (Foflonker et al. 2015) | (Merchant et al. 2007) | (Robbens et al. 2007; Blanc-Mathieu et al. 2014) |
a
Estimated from tRNAscanSE (Lowe and Eddy 1997) on available assembly.