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Table 2 Characterisation of the DNA transposon families identified in the S. rosetta genome

From: A genomic survey of transposable elements in the choanoflagellate Salpingoeca rosetta reveals selection on codon usage

Family

Length

ITR Size

TSD Lengtha

Copy Number (5′ ITR/3′ ITR)

No. of Identical Paralogous Copiesb

Number of Sequence Readsc

ITR Nucleotide Diversity (Ï€)d

SrosH

3761

n/a

n/a

6–9 (6/3)

n/a

1402

–

SrosHar

3112

27

3

1–2 (1/1)

n/a

1

–

SrosM

8326

28

9

23 (13/16)

9

19,480

0.054

SrosS

3270

32

4

2 (2/2)

0

7946

–

SrosTig1

2122

22

2

7–11 (7/4)

0

6941

0.005

SrosTig2

2164

23

2

4–7 (4/3)

0

78

0.050

SrosTm

2071

28

n/a

8–14 (7/8)

4

15,354

0.008

  1. a Target site duplications could not be identified for SrosH and SrosTm. b The number of identical paralogous copies could not be determined for SrosH and SrosHar. c Read number based upon edited gene regions for SrosS. d Nucleotide diversity could not be determined for SrosH due to low sequencing reads at the element termini; diversity could not be determined for SrosS and SrosHar due to their low copy numbers