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Table 1 R2Ol retrotransposed into the zebrafish 28S rDNA and transmitted to next generation

From: Targeted gene knockin in zebrafish using the 28S rDNA-specific non-LTR-retrotransposon R2Ol

mRNA constructs

F0 retrotrans-position

Founder number

Founder (F0)

Germline mosaicism

Insertion copies

F1 name

F2 GFP+

adult (fin)

embryo

total

R2Ol-r100-v

53/55 (96%)

8/16 (50%)

R2f-2

8/25

4/30

12/55 (22%)

3

–

–

R2f-5

–

4/30

4/30 (13%)

–

–

–

R2f-6

2/8

–

2/8 (25%)

–

–

–

R2f-7

4/33

5/30

9/63 (14%)

–

–

–

R2f-9

2/10

–

2/10 (20%)

2

–

–

R2f-10

2/3

18/39

20/42 (48%)

1

–

–

R2f-11

–

–

–

–

–

–

R2f-12

–

–

–

–

–

–

r105-R2Ol-EF1-EGFP(F)-r10

17/20 (85%)

2/27 (7.4%)

GFm-6 (truncated)

–

–

–

–

–

–

GFm-13 (truncated)

–

–

–

–

–

–

r105-R2Ol-EF1-EGFP(R)-r10

21/22 (95%)

4/25 (16%)

GRm-1

1/42

5/30

6/72 (8.3%)

1

GRm-1-32

 

GRm-12 (truncated)

–

–

–

–

–

–

GRm-14

3/7

17/30

20/37 (54%)

1

GRm-14-1

1/51

GRm-14-7

2/124, 1/66

GRf-2

3/21

2/30

5/51 (9.8%)

1

–

–

r105-R2Ol-hsp-GAL4R-r10

36/58 (62%)

1/15 (6.6%)

G4Rf-201

5/11

8/30

13/41 (32%)

1

G4Rf-201

15/29

R2OlΔ3′ UTR-v + EGFP(R)-3′ UTR-r10

3/44 (6.8%)

–

–

–

–

–

–

–

–

  1. The retrotransposition efficiency (%) = transposed embryo no. / analyzed embryo no. × 100