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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