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Table 2 Main structural features of the female- and male-transmitted mitochondrial genomes of Venustaconcha ellipsiformis, Pyganodon grandis, Inversidens japanensis and Quadrula quadrula.

From: Mitochondrial phylogenomics of the Bivalvia (Mollusca): searching for the origin and mitogenomic correlates of doubly uniparental inheritance of mtDNA

  V.
ellipsiformis
Female
V.
ellipsiformis
Male
P. grandis
Female
P. grandis
Male
I. japanensis
Female
I. japanensis
Male
Q. quadrula
Female
Q. quadrula
Male
Total size 15 975 17 174 15 848 17 071 16 826 16 966 16 033 16 970
pb         
A+T % 62.55 63.47 64.22 64.76 57.20 57.12 61.94 61.80
Strand - CG-skew -0.46 -0.49 -0.36 -0.33 -0.42 -0.41 -0.48 -0.51
Strand - AT-skew -0.40 -0.41 -0.30 -0.25 -0.41 -0.41 -0.44 -0.43
Strand + CG-skew 0.32 0.31 0.28 0.25 0.26 0.30 0.33 0.38
Strand + AT-skew -0.06 0.04 -0.09 -0.08 0.00 0.05 -0.02 0.10
rrnS 865 859 847 841 844 864 857 865
rrnL 1271 1290 1271 1287 1304 1325 1297 1306
cox1 1542
(TTG/TAG)
1537
(GTG/T**)
1539
(TTG/TAA)
1537
(CTG/T**)
1539
(GTG/TAA)
1543
(TTG/T**)
1542
(TTG/TAG)
1534
(GTG/T**)
cox2 684
(ATG/TAA)
1233
(ATG/TAA)
681
(ATG/TAG)
1251
(ATG/TAG)
681
(ATG/TAA)
1224
(ATG/TAG)
681
(ATG/TAG)
1230
(ATG/TAG)
Nd3 357
(ATG/TAG)
354
(ATG/TAA)
357
(ATG/TAA)
357
(TTG/TAA)
381
(ATG/TAA)
360
(ATG/TAG)
360
(ATA/TAA)
366
(ATT/TAA)
Nd2 972
(ATG/TAG)
957
(ATT/TAA)
966
(ATG/TAG)
972
(ATT/TAA)
960
(ATG/TAA)
981
(ATA/TAG)
966
(ATG/TAA)
990
(ATC/TAA)
cob 1156
(ATT/T**)
1158
(ATG/TAA)
1146
(ATC/TAA)
1149
(TTG/TAA)
1152
(ATT/TAA)
1152
(GTG/TAA)
1152
(ATC/TAA)
1149
(ATG/TAA)
Nd5 1731
(ATA/TAA)
1758
(ATA/TAA)
1737
(GTG/TAG)
1740
(ATA/TAA)
1704
(GTG/TAG)
1765
(TTA/T**)
1734
(ATG/TAA)
1770
(ATG/TAA)
Nd1 903
(ATC/TAA)
903
(ATA/TAA)
900
(ATA/TAA)
897
(GTG/TAA)
897
(ATC/TAG)
879
(ATA/TAA)
894
(ATA/TAA)
912
(ATG/TAA)
Nd6 489
(ATT/TAA)
456
(ATA/TAG)
489
(ATC/TAA)
405
(ATA/TAA)
489
(ATC/TAA)
528
(ATA/TAG)
498
(ATG/TAA)
522
(ATA/TAG)
Nd4 1347
(ATT/TAG)
1350
(ATG/TAG)
1344
(ATT/TAA)
1347
(GTG/TAA)
1374
(GTG/TAA)
1362
(ATT/TAG)
1332
(TTT/TAA)
1380
(ATG/TAA)
Nd4l 297
(GTG/TAG)
297
(TTG/TAA)
297
(GTG/TAG)
264
(ATA/TAG)
297
(GTG/TAA)
309
(ATA/TAG)
294
(GTG/TAG)
297
(ATG/TAG)
atp8 210
(GTG/TAA)
174
(GTG/TAG)
225
(ATG/TAA)
Remnant Remnant 96
(GTG/TAG)
181
(ATG/T**)
159
(ATG/TAA)
123
(GTG/TAA)
atp6 708
(ATG/TAG)
696
(ATG/TAA)
714
(ATG/TAG)
690
(ATG/TAA)
708
(ATG/TAG)
663
(ATG/TAG)
708
(ATG/TAG)
678
(ATA/TAG)
cox3 780
(ATG/TAG)
774
(ATT/TAA)
780
(ATG/TAA)
772
(ATG/T**)
795
(ATA/TAA)
810
(GTG/TAA)
780
(ATG/TAG)
777
(ATT/TAA)
  1. NOTE.-- Gene lengths are in bp. For each protein-coding gene, start and stop codons are presented in parentheses.