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Table 2 Classification of PacBio reads according to 5S rDNA higher-order organisation

From: Higher-order organisation of extremely amplified, potentially functional and massively methylated 5S rDNA in European pikes (Esox sp.)

Group

5S arrangement in a reada

Number of reads (percentage)

Number of 5S genes (percentage) b

I

Tandem repeats, no unique DNA

95 (33)

4539 (58)

II

Tandem repeats + unique DNA

72 (25)

2352 (30)

III

Blocks of inverted repeats

11 (4)

639 (8)

IV

Dispersed or short (<5 units) tandems

108 (38)

274 (4)

Total

 

286 (100)

7769 (100)

  1. aThe data sets and read annotations are in Additional file 7: Table S3
  2. bThe number of genes in reads was determined based on MultiBlast search using the 5S genic region (NGS consensus) as a query