Table 2 Nucleotide composition of the mitochondrial genomes of different treeshrew mtDNA.

From: Complete mitogenome of the endangered and endemic Nicobar treeshrew (Tupaia nicobarica) and comparison with other Scandentians

Species name

Size (bp)

A%

T%

G%

C%

G + C%

AT‐skew

GC‐skew

Complete mitogenome

T. nicobarica

17,164

32.56

25.74

14.54

27.13

41.70

0.11

− 0.30

T. belangeri

16,754

32.70

26.55

14.37

26.38

40.75

0.10

− 0.29

T. minor

16,187

32.06

26.83

14.77

26.32

41.09

0.08

− 0.28

T. montana

16,183

32.07

26.63

14.79

26.52

41.30

0.09

− 0.28

T. splendidula

16,189

32.33

26.72

14.54

26.17

40.71

0.09

− 0.28

T. tana

16,186

32.52

27.20

14.38

25.89

40.28

0.08

− 0.28

Protein-coding genes (PCGs)

T. nicobarica

11,410

31.60

26.32

13.31

28.74

42.05

0.09

− 0.36

T. belangeri

11,394

30.50

28.30

14.30

26.91

41.21

0.04

− 0.31

T. minor

11,387

30.24

28.45

14.49

26.82

41.31

0.03

− 0.30

T. montana

11,389

30.25

28.22

14.49

27.04

41.53

0.03

− 0.30

T. splendidula

11,362

30.50

28.37

14.33

26.81

41.14

0.04

− 0.30

T. tana

11,389

30.89

28.72

14.00

26.39

40.39

0.04

− 0.31

tRNA genes (tRNAs)

T. nicobarica

1497

34.06

26.78

17.03

22.11

39.14

0.11

− 0.12

T. belangeri

1564

31.91

29.35

20.33

18.41

38.75

0.04

0.05

T. minor

1493

30.94

30.01

20.76

18.29

39.05

0.02

0.06

T. montana

1496

31.15

29.95

20.52

18.38

38.90

0.02

0.05

T. splendidula

1496

31.75

30.21

20.12

17.91

38.03

0.02

0.06

T. tana

1497

32.00

29.86

19.97

18.17

38.14

0.03

0.05

rRNA genes (rRNAs)

T. nicobarica

2519

35.84

22.70

18.69

22.74

41.44

0.22

− 0.09

T. belangeri

2520

36.11

22.86

18.73

22.30

41.03

0.22

− 0.09

T. minor

2516

35.41

23.21

18.64

22.73

41.38

0.21

− 0.10

T. montana

2508

35.33

23.01

18.74

22.93

41.67

0.21

− 0.10

T. splendidula

2514

35.52

23.31

18.70

22.47

41.17

0.21

− 0.09

T. tana

2510

35.54

23.86

18.53

22.07

40.60

0.20

− 0.09

Control regions (CRs)

T. nicobarica

1757

33.23

25.72

14.34

26.63

40.97

0.12

− 0.30

T. belangeri

1350

34.37

28.37

13.11

24.15

37.26

0.10

− 0.30

T. minor

788

30.20

29.95

16.50

23.35

39.85

0.00

− 0.17

T. montana

790

30.51

29.11

16.46

23.92

40.38

0.02

− 0.18

T. splendidula

778

31.75

29.18

16.32

22.75

39.07

0.04

− 0.16

T. tana

789

30.42

28.90

16.48

24.21

40.68

0.03

− 0.19

  1. The A + T biases of the complete mitogenome, PCGs, tRNAs, rRNA, and CRs were calculated by AT‐skew = (A − T)/(A + T) and GC‐skew = (G − C)/(G + C), respectively.