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Table 2 Summary of the improved Official Gene Set (OGS2) comparing all gene constructions to good constructions having expression and/or homology evidence and to the previous OGS1.2 gene models. Percentages are of the total number of genes for the set

From: OGS2: genome re-annotation of the jewel wasp Nasonia vitripennis

Summary Statistics OGS2 All Models OGS2 Good Models OGS1.2 Final Models
Genes 36,327 24,388 18,850
Protein coding genes 25,725 (71 %) 24,388 15,566a
Non-coding genes 3,997 (11 %) 0 0
Transposon protein genes 6,605 (20 %) 385a 2,935a
Single transcript genes 32,079 (88 %) 20,243 (83 %) 18,759 (99.5 %)
Genes assigned to orthologb 15,176 (42 %) 15,173 (62 %) --
Transcripts 44,164 32,101 18,941
Alternative transcripts 7837 7712 91
Mean isoforms per gene 1.22 1.32 1
Complete proteins 41,256 (93 %) 30,521 (95 %) 18,941 (100 %)
Median transcript length 1571 bp 1603 bp 1176 bp
Median CDS length 777 bp 981 bp 1032 bp
Transcripts with UTR 41,313 (94 %) 30,512 (95 %) 5264 (28 %)
  1. a2,935 OGS1.2 models are classified with strong homology to transposon proteins during OGS2 work, 385 models with expression and other insect homology but also transposon homology were retained in OGS2 “good” model set
  2. b5,763 additional genes of OGS2 have significant protein homology, but are not assigned as orthologs in OrthoMCL orthology analysis, 3,454 of 24,388 “good” models lack significant homology, but have expression evidence