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Table 1 General features of mtDNAs from Chlorokybus, other charophycean green algae and bryophytes

From: An unexpectedly large and loosely packed mitochondrial genome in the charophycean green alga Chlorokybus atmophyticus

Genome feature

Mesostigma

Chlorokybus

Chaetosphaeridium

Chara

Marchantia

Physcomitrella

Size (bp)

42,424

201,763

56,574

67,737

186,609

105,340

A+T content (%)

67.8

60.2

65.6

59.1

57.6

59.4

Coding sequences (%) a

85.0

41.4

71.4

90.8

50.2

65.9

Repeated sequences (%) b

0.1

7.5

0.1

2.6

6.9

1.1

Gene content c

65

70

67

68

69

65

Introns

      

   Group I

4

6

9

14

7

3

   Group II

      

Cis-spliced

1

14

2

13

25

24

Trans-spliced

2

0

0

0

0

0

  1. a Conserved genes (including pseudogenes), introns and intron ORFs were considered coding sequences.
  2. b Non-overlapping repeat elements were mapped on each genome with RepeatMasker using the repeats ≥ 30 bp identified with REPuter as input sequences.
  3. c Pseudogenes, unique ORFs and intron ORFs were not considered.