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Table 4 ORFs dataset description

From: Variability of mitochondrial ORFans hints at possible differences in the system of doubly uniparental inheritance of mitochondria among families of freshwater mussels (Bivalvia: Unionida)

Family Number of species mtDNA type Number of mtDNAs Number of ORFs F-orf M-orf H-orf
Iridinidae 2 non-DUI 2 1206 0 0 0
Mulleriidae 5 non-DUI 5 2820 0 0 0
Hyriidae 5 F 2 1063 2 0 0
M 2 1099 0 2 0
non-DUI 3 1668 0 0 0
all 7 3830 2 2 0
Margaritiferidae 7 F 6 3273 6 0 0
M 3 1657 0 6 0
H 1 556 0 0 1
all 10 5486 6 6 1
Unionidae 21 F 17 9698 17 0 0
M 17 9826 0 18 0
H 4 2166 0 0 4
all 38 21,690 17 18 4
all F 25 12,367 25 0 0
all M 22 12,582 0 26 0
all H 5 4389 0 0 5
all non-DUI 10 5694 0 0 0
Total 40   62 35,032 25 26 5
  1. For each taxonomic group of freshwater mussels, the number of species and mtDNAs considered in this study are given, as well as the number and kind of ORFans (F-, M-, or H-orfs) retrieved from them. mtDNA types: F and M, female- and male-transmitted mtDNAs of dioecious DUI species, respectively; H, mtDNA of stably hermaphroditic species that lost DUI sensu [3]; non-DUI, mtDNA of dioecious and hermaphroditic non-DUI species. mtDNAs of dioecious species carrying an F-orf but for which no evidence of DUI has been produced yet, or of dioecious DUI species that can show occasional hermaphroditism, were considered as F for simplicity