Table 1 ReMOT Control gene editing using optimized concentrations for EER and the RNPs Cas9, P2C-Cas9 and P2C-EGFP-Cas9s

From: Targeted delivery of CRISPR-Cas9 ribonucleoprotein into arthropod ovaries for heritable germline gene editing

Protein

Time of injection PBF

Individual injections (N)

Females laying KO

Females laying KO (%)

G0 larvae hatched (N)

G0 mosaic (N)

G0 white (N)

#KO/ injection EEF (%)

#KO/surviving G0 GEF (%)

Maternal gene editing: wild-type females × white-eye males (mono-allelic)

  Cas9

24 h

83

1

1.20%

1527

0

1

1.2%

0.1%

54 h

55

0

0%

1090

0

0

0.0%

0.0%

Total

138

1

0.70%

2617

0

1

0.7%

0.0%

  P2C-Cas9

24 h

88

2a

2.20%

1798

0

18

20.5%

1.0%

54 h

54

9

16.60%

1052

2

23

46.3%

2.4%

Total

142

11

8%

2850

2

41

30.3%

1.5%

  P2C-EGFP-Cas9

24 h

90

3

3.00%

534

0

6

4.4%

1.1%

54 h

134

5

2.90%

1261

3

2

3.7%

0.4%

Total

224

8

4%

1795

3

8

4.9%

0.6%

Paternal gene editing: white eye (or heterozygous females) × wild-type males (mono and biallelic)

  P2C-Cas9

54 h

12

3

25%

557

0

4

33.3%

0.7%

  P2C-EGFP-Cas9

54 hb

18

1

5.60%

9

0

1

5.6%

11.1%

54 h

40

2

5.00%

213

2

0

5.0%

0.9%

Total

58

3

5.20%

222

2

1

5.2%

1.4%

Maternal and paternal gene editing: wild-type females × wild-type males (biallelic)

  P2C-EGFP-Cas9

54 h

58

1

1.70%

1413

1

0

1.7%

0.1%

  1. aAt 24 h injections, two isofemales produced only 7 out of the 18 knockout larvae, and the number of females producing the other 11 knockouts is not known because those females were mass-reared
  2. bThe only trial of P2C-EGFP-Cas9 injected without an EER that produced one knockout