Table 1 Comparison of the recombination efficiencies of different orthologous exonuclease-recombinase pairs for linear dsDNA.

From: Recombineering using RecET in Corynebacterium glutamicum ATCC14067 via a self-excisable cassette

Vector

Kmr per 109 viable cells

+dsDNA

−dsDNA

+plasmid

pEC-XC99E

0 ± 0

0

3.1 + 0.21 × 103

pEC-bet/exo

0 ± 0

0

3.8 ± 0.14 × 103

pEC-orf47/orf48

13 ± 2

0

3.6 ± 0.14 × 103

pEC-orfB/orfC

59 ± 3

0

3.7 ± 0.14 × 103

pEC-recE/recT

66 ± 5

0

3.8 ± 0.14 × 103

  1. 0.5 μg CrtB/400-Kan cassette or plasmid was used for recombination assay, with a kanamycin concentration of 25 mg L−1. All assays were repeated three or more times. Kmr, kanamycin resistance.