Table 2

Length and position of genes in the mitochondrial genomes of Xenopus
Xenopus laevis Silurana (X.) tropicalis X. borealis X. victorianus
Feature Description Position Length Start/Stop A (%) C (%) G (%) T (%) Position Length Start/Stop A (%) C (%) G (%) T (%) Position Length Start/Stop A (%) C (%) G (%) T (%) Position Length Start/Stop A (%) C (%) G (%) T (%)
(nt) (nt) (nt) (nt) (nt) (nt) (nt) (nt)
tRNA Phe 1 69 69 33.3 23.2 24.6 18.9 1 68 68 38.2 22.1 22.1 17.6 1 68 68 36.8 22.1 23.5 17.6 1 68 68 36.8 22.1 23.5 17.6
rRNA rrnS 70 888 819 32.5 25.5 19.9 22.1 69 1011 943 32.7 27.8 20.0 19.5 69 1015 947 32.2 25.0 19.6 23.2 69 1016 948 32.3 25.9 19.6 22.2
tRNA Val 889 957 69 34.8 24.6 13.0 27.6 1012 1081 70 32.9 28.6 14.3 24.2 1016 1085 70 32.9 24.3 14.3 28.5 1017 1085 69 33.3 23.2 14.5 29.0
rRNA rrnL 958 2588 1631 36.4 21.0 17.7 24.9 1082 2716 1635 34.9 24.1 18.5 22.5 1086 2720 1635 36.5 19.6 18.2 25.7 1086 2720 1635 37.1 21.4 17.7 23.8
tRNA Lee (UUR) 2589 2663 75 24.0 26.7 24.0 25.3 2717 2791 75 25.3 25.3 22.7 26.7 2721 2795 75 25.3 26.7 22.7 25.3 2722 2796 75 21.3 29.3 25.3 24.1
Gene nad1 2664 3635 972 ATG/TAG 31.6 24.9 12.3 31.2 2792 3759 968 ATG/TAG 28.0 30.0 13.7 28.3 2796 3764 969 ATG/TAG 29.1 21.3 15.3 34.3 2801 3769 969 ATG/TAG 30.5 26.5 12.4 30.6
tRNA Ile 3635 3705 71 31.0 21.1 22.5 25.4 3760 3830 71 28.2 23.9 25.4 22.5 3764 3834 71 31.0 21.1 22.5 25.4 3769 3839 71 31.0 22.5 22.5 24.0
tRNA Gln [C] 3705 3775 71 21.1 14.1 31.0 33.8 3830 3900 71 21.1 14.1 31.0 33.8 3834 3904 71 21.1 12.7 31.0 35.2 3840 3909 70 20.0 14.3 13.4 52.3
tRNA Met 3775 3843 69 31.9 26.1 14.5 27.5 3900 3968 69 31.9 24.6 14.5 29.0 3904 3972 69 33.3 23.2 14.5 29.0 3909 3977 69 31.9 26.1 14.5 27.5
Gene nad2 3844 4881 1038 ATG/TAG 31.8 26.9 10.2 31.1 3969 5004 1036 ATG/TAG 29.5 33.3 9.7 27.5 3973 5010 1038 ATG/TAG 31.5 24.2 11.4 32.9 3978 5015 1038 ATG/TAG 32.2 27.5 9.3 31.0
tRNA Trp 4880 4948 69 36.2 28.3 18.8 16.7 5005 5073 69 33.3 23.2 23.2 20.3 5009 5077 69 36.2 20.3 17.4 26.1 5014 5082 69 36.2 21.7 17.4 24.7
tRNA Ala [C] 4951 5019 69 30.4 13.0 20.3 36.3 5077 5145 69 29.0 13.0 21.7 36.3 5084 5154 71 31.0 11.3 19.7 38.0 5084 5154 71 28.2 12.7 23.9 35.2
tRNA Asn [C] 5021 5091 71 23.9 15.5 28.2 32.4 5147 5219 73 24.7 17.8 26.0 31.5 5154 5228 75 25.3 20.0 26.7 28.0 5154 5228 75 24.0 16.0 30.7 29.3
tRNA Cys [C] 5190 5259 70 25.8 22.7 28.8 22.7 5258 5323 66 25.8 22.7 31.8 19.7 5255 5320 66 24.2 25.8 28.8 21.2 5260 5325 66 24.2 22.7 30.3 22.8
tRNA Tyr [C] 6817 6887 71 21.4 20.0 31.4 27.2 5324 5393 70 20.0 22.9 31.4 25.7 5321 5392 72 23.6 26.4 27.8 22.2 5326 5397 72 22.2 22.2 29.2 26.4
Gene cox1 5262 6816 1555 ATG/AAT 28.6 22.4 16.5 32.5 5395 6951 1557 GTG/TAA 27.3 25.1 17.5 30.1 5392 6948 1557 GTG/TAA 28.1 21.1 17.3 33.5 5397 6953 1557 GTG/TAA 28.5 23.3 16.1 32.1
tRNA Ser (UCN) [C] 6817 6887 71 26.8 16.9 28.2 28.1 6954 7024 71 25.4 15.5 28.2 30.9 6950 7020 71 28.2 18.3 25.4 28.1 6956 7026 71 28.2 25.4 16.9 29.5
tRNA Asp 6903 6971 69 31.9 21.7 23.2 23.2 7040 7108 69 37.3 26.1 18.8 17.8 7031 7099 69 37.7 15.9 14.5 31.9 7042 7109 68 38.9 22.1 19.1 19.9
Gene cox2 6974 7661 688 ATG/T 32.1 24.4 14.7 28.8 7111 7798 688 ATG/T 31.4 28.2 15.1 25.3 7102 7789 688 ATG/T 32.3 21.9 14.8 31.0 7112 7799 688 ATG/T 32.3 25.0 14.2 28.5
tRNA Lys 7662 7736 75 32.0 24.0 20.0 24.0 7799 7872 74 31.1 28.4 21.6 18.9 7790 7863 74 29.7 25.7 23.0 21.6 7800 7874 75 29.3 22.7 12.7 35.3
Gene atp8 7738 7905 168 ATG/TAA 38.1 28.0 8.3 25.6 7874 8041 168 ATG/TAA 37.5 29.2 9.5 23.8 7865 8032 168 ATG/TAA 37.5 26.2 8.3 28.0 7876 8043 168 ATG/TAA 36.9 28.0 8.3 26.8
Gene atp6 7896 8576 681 ATG/TAA 30.2 25.4 10.4 34.0 8032 8714 683 ATG/TAA 25.3 33.2 11.4 30.1 8023 8706 684 ATG/TAA 28.8 24.3 11.5 35.4 8034 8717 684 ATG/TAA 29.1 27.0 10.5 33.4
Gene cox3 8576 9356 781 ATG/T 29.8 24.2 15.7 30.3 8715 9498 784 ATG/T 26.5 30.2 16.2 27.1 8706 9489 784 ATG/T 26.4 22.8 17.3 33.5 8717 9500 784 ATG/T 28.6 25.8 15.8 29.8
tRNA Gly 9357 9426 70 27.1 18.6 14.3 40.0 9499 9568 70 38.6 21.4 14.3 25.7 9490 9559 70 35.7 21.4 14.3 28.6 9501 9570 70 35.7 18.6 15.7 30.0
Gene nad3 9427 9769 343 ATG/TAA 26.2 26.2 13.7 33.9 9569 9911 343 ATG/AAT 24.8 30.6 14.3 30.3 9560 9902 343 ATG/T 24.5 22.4 16.9 36.2 9571 9913 343 ATG/T 25.1 28.6 12.8 33.5
tRNA Arg 9770 9838 69 34.8 18.4 15.9 30.9 9912 9980 69 33.3 24.6 17.4 24.7 9903 9972 70 35.7 21.4 15.7 27.2 9914 9983 70 35.7 18.6 15.7 30.0
Gene nad4L 9839 10135 297 ATG/TAA 30.3 23.9 12.8 33.0 9981 10277 297 ATG/TAA 23.9 33.0 15.5 27.6 9972 10268 297 ATG/TAA 26.6 24.6 13.8 35.0 9983 10279 297 ATG/TAA 26.6 27.3 13.1 33.0
Gene nad4 10129 11512 1384 ATG/T 32.7 24.6 11.1 31.6 10271 11648 1378 ATG/T 29.0 31.5 11.5 28.0 10262 11639 1378 ATG/T 30.5 25.1 11.5 32.9 10273 11650 1378 ATG/T 31.8 26.1 11.1 31.0
tRNA His 11513 11580 68 35.3 17.6 16.2 30.9 11649 11717 69 36.2 20.3 15.9 27.6 11640 11708 69 30.4 15.9 20.3 33.4 11651 11719 69 34.8 17.4 17.4 30.4
tRNA Ser (AGY) 11581 11645 65 23.1 24.6 21.5 30.8 11718 11785 68 23.5 27.9 25.0 23.6 11708 11774 67 22.4 23.9 23.9 29.8 11719 11785 67 22.4 23.9 23.9 29.8
tRNA Leu (CUN) 11646 11719 74 33.8 20.3 21.6 24.3 11786 11858 73 32.9 21.9 20.5 24.7 11774 11847 74 32.4 16.2 23.0 28.4 11785 11858 74 32.4 20.3 21.6 25.7
Gene nad5 11720 13534 1815 ATG/TAA 33.2 23.3 11.5 32.0 11859 13676 1818 ATG/TAA 30.5 30.2 12.7 26.6 11848 13665 1818 ATG/TAA 31.4 23.7 12.6 32.3 11859 13676 1818 ATG/TAA 32.3 24.4 11.7 31.6
Gene nad6 [C] 13530 14042 513 ATG/AGA 19.9 9.4 28.1 42.6 13668 14186 519 ATG/TAA 15.2 10.4 35.1 39.3 13657 14175 519 ATG/TAA 19.5 11.9 29.5 39.1 13668 14186 519 ATG/TAA 19.8 9.4 28.7 42.1
tRNA Glu [C] 14043 14111 69 24.6 14.5 26.1 34.8 14187 14255 69 26.1 14.5 26.1 33.3 14176 14245 70 28.6 11.4 21.4 38.6 14187 14257 71 23.9 14.1 25.4 36.6
Gene cytb 14114 15253 1140 ATG/TAG 29.5 25.4 12.6 32.5 14258 15400 1143 ATG/TAG 27.4 30.4 14.4 27.8 14246 15388 1143 ATG/TAG 27.7 23.3 14.8 34.2 14258 15400 1143 ATG/TAG 28.6 26.2 13.1 32.1
tRNA Thr 15253 15322 70 30.0 22.9 20.0 27.1 15400 15470 71 26.8 26.8 22.5 23.9 15388 15458 71 26.8 25.4 21.1 26.7 15400 15471 72 29.2 25.0 20.8 25.0
tRNA Pro [C] 15350 15418 69 21.7 11.6 38.4 28.3 15500 15566 67 22.4 11.9 29.9 35.8 15499 15565 67 20.9 11.9 31.3 35.9 15497 15563 67 23.9 10.4 28.4 37.3
Cont region D-loop 15419 17552 2134 39.3 17.9 9.4 33.4 15567 17610 2044 39.0 20.2 10.7 30.1 15566 17474 1909 37.2 19.0 9.8 34.0 15564 17716 2153 39.3 19.0 9.1 32.6

Initiation and termination codons and base contents (%) are also indicated. Gene transcribed in the reverse (complementary) direction are indicated with [C].

Lloyd et al.

Lloyd et al. BMC Genomics 2012 13:496   doi:10.1186/1471-2164-13-496

Open Data