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Table 1 Data statistics of the crested ibis and the little egret

From: Genomic signatures of near-extinction and rebirth of the crested ibis and other endangered bird species

 

Crested ibis

Little egret

De novo sequence

Insert size (bp)

Total data (Gb)

Sequence coverage ( x genome)

Total data (Gb)

Sequence coverage (x genome)

170-800

141

113

53

42

2-20 × 103

54

43

36

29

Total

195

156

89

71

Assembly

 

N50 (kb)

Total size (Gb)

N50 (kb)

Total size (Gb)

Contigs

67

1.24

24

1.16

Scaffolds

10,687

1.26

3,051

1.21

Annotation

 

Number

Total length (Mb)

Number

Total length (Mb)

Repeats

840,220

80

861,413

86

Genes

17,179

343

17,032

326

Coding exons

148,003

24

139,080

23

Resequencinga

 

Total data (Gb)

Sequence coverage (x genome)

Total data (Gb)

Sequence coverage (x genome)

Each individual

25

20

30

24

All individuals

200

160

149

119

SNP calling

 

Total SNPs

Mutation rateb (θS) (×10-3)

Total SNPs

Mutation rateb (θS) (×10-3)

Autosome

1,188,930

0.33

8,876,153

2.91

Coding exons

13,459

0.17

91,820

1.45

  1. aPaired-end libraries with insert size of 500 bp were used for resequencing. Samples were from eight crested ibis and five little egrets.
  2. bThe population mutation parameter θS = K/aL, a = 1 + 1/2 + … + 1/(n-1), where K is the number of variant sites found by sequencing n chromosomes in a region of length L.