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Table 2 Important genome statistics

From: Comparative genomics of the pathogenic ciliate Ichthyophthirius multifiliis, its free-living relatives and a host species provide insights into adoption of a parasitic lifestyle and prospects for disease control

  Ich T. thermophila
Genome   
   Total predicted genes 8,096 24,725
   Percentage coding 21.0 47.8
   Total annotated sequence lengtha 47,869,613 103,002,206
   Percentage GC 15.9 22.3
Genes   
   Longest gene 21,958 47,333
   Shortest gene 152 119
   Total gene length 13,277,109 62,628,433
   Average gene lengthb 1,639 2,533
   Average gene coding sequence 1,243 1,989
   Gene density (per 10,000 bp) 16.92 41.6
   Percentage genes with introns 79.0 71.4
Exons   
   Total exon length 10,666,748 49,184,519
   Total number of exons 29,479 114,215
   Longest exon 11,206 14,389
   Shortest exon 2 2
   Average exon length 361.8 430.6
   Percentage GC 24.1 27.5
Introns   
   Total number of introns 21,380 89,490
   Longest intron 11,437 13,045
   Shortest intron 16 18
   Average intron length 152.8 162.7
   Average introns per gene 2.6 3.6
   Percentage GC 12.3 16.1
Intergenic regions   
   Total intergenic regions 33,985,751 39,886,399
   Shortest intergenic region 2 2
   Longest intergenic region 42,323 46,152
   Average intergenic length 3,650 1,562
   Percentage GC 13.9 18.1
  1. aScaffolds < 2 kb in length were not annotated. bNot including 5' and 3' untranslated regions.