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Table 2 Total number of orthologs identified by In-paranoid 4. 1

From: Comprehensive molecular evaluation of the histone methyltransferase gene family and their important roles in two-line hybrid wheat

species Wheat Arabidopsis Rice Sorghum Brachypodium Hordeum Average in-paralogs
Wheat 137/401 121/43 132/46 141/50 111/44 2.32a
Arabidopsis 48/40 42/34 42/34 45/36 42/34 1.23
Rice 44/43 38/34 40/39 38/37 36/36 1.04
Sorghum 47/46 39/34 40/39 44/44 40/39 1.04
Brachypodium 50/50 44/36 38/37 47/44 40/40 1.06
Hordeum 44/44 38/34 37/36 40/39 40/40 1.03
  1. a The number of orthologs in an organism when clustered with another genome was shown on the left of the slash while the number on the right of the slash referred to the number of ortholog groups between two species. For wheat, average size of ortholog group: 2.32 = (137/40 + 121/43 + 132/46 + 141/50 + 111/44)/5. Notably, Table 2 was not a symmetrical table, since gene duplication frequency in organism ‘A’ generally differed from that in organism ‘B’ since speciation of organism ‘A’ and ‘B’ and thus the number of ‘A’ genes having orthologs in organism ‘B’ was unequal to the number of ‘B’ genes having orthologs in organism ‘A’