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Table 1 Summary of Orthonome analysis for D. melanogaster and five repleta group species. Average numbers of one-to-one orthologues (genes identified by Orthonome as having at least one orthologous relationship) are calculated based on pairwise orthologue predictions whereas total genes with orthologues and inparalogues are evaluated using the phylogeny-sensitive Orthonome analysis of all genomes

From: Genomic changes associated with adaptation to arid environments in cactophilic Drosophila species

Species Number of genes Mean number of 1:1 orthologues Total genes with orthologues Inparalogues
All orthogroups Repleta group-specific orthogroups
D. aldrichi 16,070 11,294 12,469 2141 100
D. mojavensis 14,680 11,669 13,147 948 69
D. buzzatii (improvement compared to original annotation) 14,532 (1374) 10,745 (485) 11,780 2161 173
D. hydei 15,838 11,096 12,523 2625 514
D. repleta 14,790 11,222 12,588 1902 224
D. melanogaster 13,919 10,894 12,992 688 NA