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Table 1 Genomic characteristics of intron-retaining mammalian and vertebrate species

From: Intron retention enhances gene regulatory complexity in vertebrates

 

Genome size (GB)

Chromosomes

pc genes

nc genes

sRNA

lncRNA

Pseudogenes

GC (%)

Introns

Mb (%)a

Human

3.5

46

20,296

25,173

7703

14,889

14,424

41.3

1512.7 (52.2)

Mouse

3.4

40

22,547

12,583

5530

6489

8770

42.3

992.7 (37.4)

Dog

2.3

78

19,856

3774

3348

426

950

41.3

796.6 (33.3)

Chicken

1.07

78

15,508

1558

1408

150

42

41.9

403.1 (39.0)

Zebrafish

1.46

50

25,642

6008

3172

2741

293

36.7

722.2 (52.7)

  1. Sources of information are indicated in the “Methods” section. Data on introns were determined using the featureBits program of the UCSC genome browser.
  2. aPercent of the genome
  3. pc protein-coding, nc non-coding, sRNA small RNA, lncRNA long non-coding RNA