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Table 2 Gene number after annotation and quality filtering with fathom, the number of single exon genes, number of potential pseudogenes, sum total gene, exon and intron sizes, mean exon and intron size, mean intergenic size, intergenic50 (similar to N50, but calculated with intergenic size instead of contig size), and the GC content of the genes

From: Small, but surprisingly repetitive genomes: transposon expansion and not polyploidy has driven a doubling in genome size in a metazoan species complex

Species name

B. rotundiformis

B. sp. ‘Tiscar’

B. plicatilis

B.calycifloris

B. asplanchnoidis

Genome size (Mbp)

110

164

246

293

422

Gene number

11,050

12,085

12,484

15,628

12,547

Number of single exon genes

257

323

460

4321

12

Number of potential pseudogenes

1441

2072

2313

481

2953

Sum total gene size (Mbp)

25.89

29.82

32.03

43.77

30.11

Sum total exon size (Mbp)

16.35

16.52

16.21

24.98

15.35

Sum total intron size (Mbp)

9.53

13.29

15.82

18.79

14.76

Mean exon size (bp)

181

173

175

394

180

Mean intron size (bp)

118

157

194

392

199

Mean intergenic size (bp)

2059

1832

2059

5051

1872

Median intergenic size (bp)

1052

944

1052

2746

925

Intergenic50

4206

4478

5017

10,103

4455

GC % in genes

29.2

27.5

28.4

26.4

27.7