Article
Mutants of Escherichia coli producing pyrroloquinoline quinone.
Journal of general microbiology - 1 Aug 1991
Biville F, Turlin E, Gasser F
Abstract excerpt
In glucose minimal medium a PTS- strain of Escherichia coli [delta (ptsH ptsI crr)] could grow slowly (doubling time, d = 10 h). When the population reached 5 x 10(6) to 2 x 10(7) cells ml-1, mutants growing rapidly (d = 1.5 h) appeared and rapidly outgrew the initial population. These mutants (EF mutants) do not use a constitutive galactose permease for glucose translocation. They synthesize sufficient...
Topics
- Aerobiosis
- Escherichia coli
- Gene Expression Regulation, Bacterial
- Gluconates
- Glucose
- Glucose 1-Dehydrogenase
- Glucose Dehydrogenases
- Kinetics
- Membrane Transport Proteins
- Monosaccharide Transport Proteins
- Mutation