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Table 1 Main structural features of the five mt genomes sequenced anew in this study. For each, total size of the mt genome, overall base composition, size and base composition of the potential origin of replication (POR), size of rRNAs, size of intergenic spacers, and size of the protein coding genes (showing start/stop codons within parentheses) are presented. Sizes are expressed as bp.

From: Evolution of gastropod mitochondrial genome arrangements

 

P. dolabrata

A. fragilis

S. pectinata

O. celtica

M. myosotis

total size

13,856

14,745

14,065

14,150

14,246

% A

27.44

30.12

29.76

25.26

23.67

% T

35.97

36.93

37.06

34.06

31.35

% C

16.97

15.13

14.92

18.92

21.35

% G

19.6

17.82

18.26

21.77

23.63

% A+T

63.41

67.05

66,82

59.32

55.02

POR size

42

52

53

43

45

% A+T POR

83.33

86.54

73.58

76.74

60.00

l-rRNA

998

1,095

1,022

1,056

1,089

s-rRNA

695

738

693

708

712

Intergenic spacers

89

644

229

295

311

atp6

640 (ATG/T)

660 (ATA/TAA)

663 (TTG/TAG)

645 (TTG/TAG)

641 (ATA/TA)

atp8

163 (ATG/T)

156 (TTG/TAG)

149 (ATG/TA)

147 (ATG/TAA)

151 (ATG/T)

cob

1,111 (TTG/T)

1,122 (TTG/TAA)

1,113 (TTG/TAA)

1,122 (ATT/TAA)

1,110 (TTG/TAG)

cox1

1,525 (TTG/T)

1,530 (TTG/TAA)

1,528 (TTG/T)

1,527 (TTG/TAG)

1,527 (ATG/TAA)

cox2

649 (TTG/T)

684 (TTG/TAA)

665 (TTG/TA)

681 (TTG/TAA)

669 (GTG/TAA)

cox3

778 (ATG/T)

778 (ATG/T)

778 (ATG/T)

778 (ATG/T)

778 (ATG/T)

nad1

876 (ATT/TAA)

915 (TTG/TAG)

886 (TTG/T)

906 (TTG/TAA)

882 (ATT/TAG)

nad2

925 (ATT/T)

942 (ATA/TAA)

935 (TTG/TA)

922 (ATG/T)

948 (ATG/TAG)

nad3

351 (TTG/TAA)

354 (TTG/TAG)

350 (ATG/TA)

352 (ATG/T)

335 (ATA/T)

nad4

1,332 (TTG/TAA)

1,322 (TTG/TA)

1,328 (TTG/TAA)

1,308 (GTG/TAA)

1,305 (TTG/TAA)

nad4L

271 (ATA/T)

283 (ATG/T)

283 (GTG/T)

268 (ATG/T)

291 (TTG/TAA)

nad5

1,644 (ATA/TAG)

1,627 (GTG/T)

1,665 (TTG/TAG)

1,643 (GTG/TAG)

1,656 (GTG/TAG)

nad6

483 (ATT/TAG)

471 (TTG/TAA)

459 (TTG/TAA)

465 (TTG/TAA)

468 (ATA/TAG)