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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Determination of 3-deoxy-D-arabino-heptulosonate 7-phosphate productivity and yield from glucose in Escherichia coli devoid of the glucose phosphotransferase transport system.

The effect of inactivation of the glucose phosphotransferase transport system (PTS) on 3-deoxy-D-arabino-heptulosonate 7-phosphate (DAHP) productivity and yield from glucose in Escherichia coli is reported. Strains used in this study were the PTS(+) PB103 and its PTS(-) glucose(+) derivative NF9. Their aroB(-) derivatives PB103B and NF9B were constructed to allow accurate measurement of total carbon flow into the aromatic pathway. The measured specific rates of DAHP synthesis were 0.55 and 0.94 mmol/g-dcw. h and the DAHP molar yields from glucose were 0.43 and 0.71 mol/mol for the PTS(+) aroB(-)and the PTS(-) glucose(+) aroB(-)strains, respectively. For the latter strain, this value represents 83% of the maximum theoretical yield for DAHP synthesis from glucose.[1]

References

  1. Determination of 3-deoxy-D-arabino-heptulosonate 7-phosphate productivity and yield from glucose in Escherichia coli devoid of the glucose phosphotransferase transport system. Báez, J.L., Bolívar, F., Gosset, G. Biotechnol. Bioeng. (2001) [Pubmed]
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