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. 1999 Apr;181(7):2059–2066. doi: 10.1128/jb.181.7.2059-2066.1999

TABLE 4.

Induction of the expression of bcd, lpd, and bkdB genes

Strain Relevant genotype β-Galactosidase activity (Miller units/mg of protein) in the following minimal mediuma:
MM + glucose
MM + glucose + isoleucine (20 mM)
Without IPTG With IPTG Without IPTG With IPTG
QB7514 bcd::pMutin4 355 10 1,170 1,100
QB7515 bcd::pMutin4 bkdR::aphA3 2 2 3 2
QB7507 lpd::pMutin4 320 280 2,800 2,630
QB7513 lpd::pMutin4 bkdR::aphA3 5 5 3 4
QB7521 bkdB::pMutin4 290 ND 1,150 ND
a

ND, not determined. 

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