Plasmids

CFU

pDN19

pRKaraRed

pUFR027

pK18mobsacB-Xc0751

pK18mobsacB-Xc2728

This Method^a

1.1 × 10⁸

7.8 × 10⁷

3.9 × 10⁷

147

133

Method 1^b

3.7 × 10⁶

8.6 × 10⁵

1.6 × 10⁶

ND

ND

Method 2^c

ND

ND

ND

27

19