Table 1.

Genomic features in Cyclotella cryptica and Thalassiosira pseudonana

Statistics	C. cryptica		T. pseudonana
Cell size	8 × 10 μm		4 × 5 μm
Nuclear genome size	161.7 Mbp (GC 43%)		31 Mbp (GC 47%)
Repeatome (%)	53		2
Classified repeats (%)	13		ND
Unclassified repeats (%)	40		ND

Gene models	High confidence	AUGUSTUS models	T. pseudonana Joint Genome Institute models
Percent coding DNA	10.0	19.2	66.3
Gene density (genes/Mbp)	50	131	379
Total models	8133	21,121	11,776
Average model length (bp)	1986	1471	1746
Average number of exons per gene	2.95	2.18	2.54
Average exon length (bp)	599	608	613
Average number of introns per gene	1.95	1.18	1.5
Average intron length (bp)	115	125	125
Chloroplast genome size (bp)	129,320		128,813
Total chloroplast models	132		127
Mitochondrial genome size (bp)	58,021		43,827
Total mitochondrial models	35		35

T. pseudonana data from [30, 34]