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Microb Cell Fact. 2012 Sep;11:127. Consequences of phosphoenolpyruvate:sugar phosphotranferase system and pyruvate kinase isozymes inactivation in central carbon metabolism flux distribution in Escherichia coli. Meza E, Becker J, Bolivar F, et al.



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ATP production rate Maximum N/A -R01786-R04779+2.5*R01061+R01512+R00200+2.5*R00209
+2.5*R00267+2.5*R08549-R00405+1.5*R00402+2.5*R00342
+2.5*R00214
ATP production rate Minium 522.45 -R01786-R04779+2.5*R01061+R01512+R00200+2.5*R00209
+2.5*R08549-R00405+1.5*R00402+2.5*R00342
NADPH production rate Maximum N/A R02736+R01528+R00267+R00214
NADPH production rate Minium 30.6 R02736+R01528
ATP production rate Maximum N/A -R01786-R04779+2.5*R01061+R01512+R00200+2.5*R00209
+2.5*R00267+2.5*R08549-R00405+1.5*R00402+2.5*R00342
+2.5*R00214
ATP production rate Minium 900.3 -R01786-R04779+2.5*R01061+R01512+R00200+2.5*R00209
+2.5*R08549-R00405+1.5*R00402+2.5*R00342
NADPH production rate Maximum N/A R02736+R01528+R00267+R00214
NADPH production rate Minium 52.7 R02736+R01528
ATP production rate Maximum N/A -R01786-R04779+2.5*R01061+R01512+R00200+2.5*R00209
+2.5*R00267+2.5*R08549-R00405+1.5*R00402+2.5*R00342
+2.5*R00214
ATP production rate Minium 416.2 -R01786-R04779+2.5*R01061+R01512+R00200+2.5*R00209
+2.5*R08549-R00405+1.5*R00402+2.5*R00342
NADPH production rate Maximum N/A R02736+R01528+R00267+R00214
NADPH production rate Minium 52 R02736+R01528
ATP production rate Maximum N/A -R01786-R04779+2.5*R01061+R01512+R00200+2.5*R00209
+2.5*R00267+2.5*R08549-R00405+1.5*R00402+2.5*R00342
+2.5*R00214
ATP production rate Minium 680.95 -R01786-R04779+2.5*R01061+R01512+R00200+2.5*R00209
+2.5*R08549-R00405+1.5*R00402+2.5*R00342
NADPH production rate Maximum N/A R02736+R01528+R00267+R00214
NADPH production rate Minium 48.6 R02736+R01528
Growth Condition
Strains Escherichia coli W3110
Genotype F- lambda- INV(rrnD - rrnE)1
Culture medium The medium used during mutant strains construction and selection was Luria-Bertani (LB) with the corresponding antibiotic: Cm 10 ug/ml, Km 10 ug/ml and Gm 5 ug/ml. In shake flask cultures and labeling experiment,minimal medium was used. It contained glucose as the sole carbon source at a concentration of 10 g/l, K2HPO4 90 mM, KH2PO4 10 mM, (NH4)2SO4 40 mM, NaCl 20 mM, MgSO4-2H2O 1.6 mM, CaCl2 0.05 mM, FeSO4-7H2O 0.072 mM and vitamin B1 0.05 mM. Glucose and salts solution were sterilized separately at 121 Celsius during 20 minutes and vitamin B1 was sterilized by filtration. All stock cultures were stored at 70 Celsius below in LB medium containing glycerol (25% v/v).
Carbon source D-Glucose
Growth rate 0.69/h
Case-specific description Metabolic flux distribution and Pyk activities of strains W3110(reference).
Growth Condition
Strains Escherichia coli VH33
Genotype W3110[delta ptsI,ptsH,crr::kan delta lacI;lacZ::loxP] galP+ delta PgalP::PTrc
Culture medium The medium used during mutant strains construction and selection was Luria-Bertani (LB) with the corresponding antibiotic: Cm 10 ug/ml, Km 10 ug/ml and Gm 5 ug/ml. In shake flask cultures and labeling experiment,minimal medium was used. It contained glucose as the sole carbon source at a concentration of 10 g/l, K2HPO4 90 mM, KH2PO4 10 mM, (NH4)2SO4 40 mM, NaCl 20 mM, MgSO4-2H2O 1.6 mM, CaCl2 0.05 mM, FeSO4-7H2O 0.072 mM and vitamin B1 0.05 mM. Glucose and salts solution were sterilized separately at 121 Celsius during 20 minutes and vitamin B1 was sterilized by filtration. All stock cultures were stored at 70 Celsius below in LB medium containing glycerol (25% v/v).
Carbon source D-Glucose
Growth rate 0.45/h
Case-specific description Metabolic flux distribution and Pyk activities of Escherichia coli VH33(PTS- glc+).
Growth Condition
Strains Escherichia coli VH34
Genotype VH33 pykA::cat
Culture medium The medium used during mutant strains construction and selection was Luria-Bertani (LB) with the corresponding antibiotic: Cm 10 ug/ml, Km 10 ug/ml and Gm 5 ug/ml. In shake flask cultures and labeling experiment,minimal medium was used. It contained glucose as the sole carbon source at a concentration of 10 g/l, K2HPO4 90 mM, KH2PO4 10 mM, (NH4)2SO4 40 mM, NaCl 20 mM, MgSO4-2H2O 1.6 mM, CaCl2 0.05 mM, FeSO4-7H2O 0.072 mM and vitamin B1 0.05 mM. Glucose and salts solution were sterilized separately at 121 Celsius during 20 minutes and vitamin B1 was sterilized by filtration. All stock cultures were stored at 70 Celsius below in LB medium containing glycerol (25% v/v).
Carbon source D-Glucose
Growth rate 0.44/h
Case-specific description Metabolic flux distribution and Pyk activities of Escherichia coli VH34(PTS- glc+ pykA-).
Growth Condition
Strains Escherichia coli VH35
Genotype VH33 pykF::gen
Culture medium The medium used during mutant strains construction and selection was Luria-Bertani (LB) with the corresponding antibiotic: Cm 10 ug/ml, Km 10 ug/ml and Gm 5 ug/ml. In shake flask cultures and labeling experiment,minimal medium was used. It contained glucose as the sole carbon source at a concentration of 10 g/l, K2HPO4 90 mM, KH2PO4 10 mM, (NH4)2SO4 40 mM, NaCl 20 mM, MgSO4-2H2O 1.6 mM, CaCl2 0.05 mM, FeSO4-7H2O 0.072 mM and vitamin B1 0.05 mM. Glucose and salts solution were sterilized separately at 121 Celsius during 20 minutes and vitamin B1 was sterilized by filtration. All stock cultures were stored at 70 Celsius below in LB medium containing glycerol (25% v/v).
Carbon source D-Glucose
Growth rate 0.36/h
Case-specific description Metabolic flux distribution and Pyk activities of Escherichia coli VH35(PTS- glc+ pykF-).
Specific Rate (mmol g-1 h-1)
glucose 16.1
Specific Rate (mmol g-1 h-1)
glucose 6.9
Specific Rate (mmol g-1 h-1)
glucose 4.2
Specific Rate (mmol g-1 h-1)
glucose 4.2
Source