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Table 5 Differential expression of ohnologs.

From: Gene expression in a paleopolyploid: a transcriptome resource for the ciliate Paramecium tetraurelia

Category AUTOGAMY RECILIATION EXOCYTOSIS
Genes with WGD1 ohnolog 1695 817 355
   same cluster 956 (56.4%) 248 (30.3%) 116 (33%)
   different cluster 92 (5.4%) 62 (7.6%) 18 (5.1%)
   not in cluster 647 (38%) 507 (62%) 221 (62%)
Genes with WGD2 ohnolog 875 339 170
   both in same cluster 178 (20%) 11 (3.2%) 19 (11%)
   one in same cluster 256 (29%) 52 (15.3%) 30 (17.6%)
   different cluster 94 (10.7%) 42 (12.4%) 14 (8.2%)
   none in cluster 355 (40.1%) 238 (70%) 107 (63%)
Genes with WGD3 ohnolog 205 85 44
   one or more same cluster 76 (37%) 3 (3.5%) 2 (5%)
   different cluster 34 (16.6%) 13 (15.3%) 7 (15.9%)
   none in cluster 101 (49.2%) 69 (81%) 36 (82%)
  1. The ohnologs of differentially expressed genes were examined to see whether they belong to the same cluster, a different cluster, or were not identified as differentially expressed, for each of the three biological processes studied. For WGD3, genes were scored as "same cluster" or as "different cluster" if at least one ohnolog was found in the same cluster or in a different cluster, respectively. WGD1, recent whole genome duplication; WGD2, intermediate whole genome duplication; WGD3, old whole genome duplication.