TABLE 2.
Doubling time of bkd mutants in TPK minimal medium containing ammonium, isoleucine, or valine as a nitrogen source
Strain | Relevant genotype | Doubling time (min) with indicated nitrogen source at 20 mM:
|
||
---|---|---|---|---|
(NH4)2SO4 | Isoleucine | Valine | ||
168 | 85 | 130 | 155 | |
QB7512 | bkdR::aphA3 | 150 | >600 | >600 |
QB5505 | sigL::aphA3 | 70 | >600 | >600 |
QB7514 | ||||
Without IPTG | bcd::pMutin4 | 80 | >600 | >600 |
With IPTG | 76 | >600 | >600 | |
QB7507 | ||||
Without IPTG | lpd::pMutin4 | 75 | 170 | 200 |
With IPTG | 115 | 160 | 190 |