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Table 1 Number of groups and genes that show co-expression in the D. melanogaster embryo

From: Selective maintenance of Drosophilatandemly arranged duplicated genes during evolution

  Number of groups* (genes) Number of co-expressing groups (genes) Percentage of co-expressing groups (genes)
Conserved TDGs 52 (118) 19 (43) 36.5 (36.4)
Conserved non-TDGs§ 179 (578) 38 (89) 21.3 (15.4)
Conserved neighbors 198 (716) 37 (107) 18.7 (14.9)
  1. *Total number of groups where two or more genes have a reported in situ analysis. Number of genes that have been analyzed by in situ. Number of groups where two or more genes show co-expression in at least one domain of the embryo. §Groups of duplicated genes that are not arranged in tandem and that have one-to-one orthologues in A. gambiae. Groups of genes that are located in syntenic regions between D. melanogaster and A. gambiae, that have one-to-one orthologues in A. gambiae, and that are not tandem duplicates.