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Table 1 Number of genes in genomes, gene families, phylogenetic trees, and trees with GOslim annotation

From: The gain and loss of genes during 600 million years of vertebrate evolution

  Homo sapiens Rattus norvegicus Mus musculus Gallus gallus Xenopus tropicalis Danio rerio Tetraodon nigroviridis
Genome 22,218   21,952   24,461   17,709   24,405   22,877   28,005  
Gene families 14,054 (0.63) 14,155 (0.64) 14,813 (0.61) 9,875 (0.56) 13,336 (0.55) 14,597 (0.64) 12,373 (0.44)
Phylogenetic trees 13,080 (0.59) 12,537 (0.57) 13,325 (0.54) 9,292 (0.52) 11,747 (0.48) 13,785 (0.60) 11,660 (0.42)
Phylogenetic trees with GO annotation 12,470 (0.56) 11,919 (0.54) 12,669 (0.52) 8,806 (0.50) 11,049 (0.45) 13,244 (0.58) 11,097 (0.40)
  1. The fraction of the proteome analyzed at a certain step in the procedure is in parentheses (see Materials and methods for details).