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Table 3 Main features of the assembled perennial ryegrass mitochondrial genome

From: The genome and transcriptome of perennial ryegrass mitochondria

Genome size (nt)

678,580

G+C content (%)

44.1

Gene number

73a

 -Protein coding genes

39 (34)b (1)c

 -tRNA genes

28 (14)b (1)c

 -rRNA genes

6 (3)b

Proteins

 

 -Protein coding sequences (nt)

35,514

 -Protein coding sequence (%)

5.23

RNAs

 

 -RNA gene coding sequences (nt)

13,209

 -RNA gene coding sequences (%)

1.95

Introns

 

 -Cis-spliced group II introns

22

 -Trans-spliced group II introns

4

 -Introns sequences of these genes (nt)

26,631

 -Introns of these genes sequences (%)

3.92

ORFs

 

 -No. of ORFs

149

 -ORFs (>300 bp) sequences (nt)

67,410

 -ORFs sequences (%)

9.93

Total (proteins, RNAs and ORFs) sequences

142,764

Total (proteins, RNAs and ORFs) sequences (%)

21.03

Repeats

 

 -Large repeat sequences (nt)

116,177

 -Large repeat sequences (%)

17.12

Transposable element-related sequences (%)

3.76

  1. aTotal numbers including duplications and pseudogenes, bIn parentheses, number of unique genes, c In parentheses, number of pseudogenes.