Table 1 Summary of on-target mutation of T0 rice transgenic plants generated using three different CRISPR reagent delivery platforms*.

From: High-frequency random DNA insertions upon co-delivery of CRISPR-Cas9 ribonucleoprotein and selectable marker plasmid in rice

Delivery method

Phenotype

# Hyg res lines

# Fertile

# Analyzed

# PDS mutated

Mutation typeÆ—

# Random DNA insertion event

Homozygous

Biallelic

Heterozygous

Mosaic

RNP Cas9 + sgRNAs(1 + 2) (Biolistic)

Albino

16

0

16

16

44% (7)

56% (9)

0% (0)

0% (0)

3

Green

49

19

19

6

0% (0)

0% (0)

100% (6)

0% (0)

2

pTF6005 (gRNA1) (Biolistic)

Albino

3

0

3

3

67% (2)

33% (1)

0% (0)

0% (0)

1

Green

32

10

10

3

0% (0)

67% (2)

33% (1)

0% (0)

0

pTF6006 (gRNA2) (Biolistic)

Albino

5

0

5

5

40% (2)

60% (3)

0% (0)

0% (0)

1

Green

15

3

3

2

0% (0)

0% (0)

100% (3)

0% (0)

1

pTF6005 (gRNA1) (Agro)

Albino

4

0

4

4

25% (1)

25% (1)

0% (0)

50% (2)

0

Green

2

1

1

1

0% (0)

100% (1)

0% (0)

0% (0)

0

pTF6006 (gRNA2) (Agro)

Albino

13

0

13

13

15% (2)

85% (11)

0% (0)

0% (0)

0

Green

5

1

1

1

0% (0)

100% (1)

0% (0)

0% (0)

0

  1. *Numbers in parentheses represent number of plants analyzed.
  2. Æ—Homozygous, two identical mutant sequences; Biallelic, two different mutant sequences; Heterozygous, wild type sequence and one mutant sequence; Mosaic, multiple mutations sequences.