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Table 1 Efficiency of RNP-based CRISPR–Cas9 system for genetic modifications

From: Metabolic engineering of Aspergillus niger via ribonucleoprotein-based CRISPR–Cas9 system for succinic acid production from renewable biomass

Genetic modification

Total number of transformants

Number of correct transformants

Efficiency (%)

Corresponding engineered strains

Δgox

8

3

37.5

SAP-1

Δoah

16

2

12.5

SAP-1

ΔAnDct::GPDAp-AcDCT-tTrpC

24

2

8.3

SAP-2

Δoah::GPDAp-frd-tTrpC

11

2

18

SAP-3