Optimized analysis of intracellular adenosine and guanosine phosphates in Escherichia coli

Autor: Peter Neubauer, Sylke Meyer, Matthias Reuss, Naruemol Noisommit-Rizzi
Rok vydání: 1999
Předmět:
Zdroj: Analytical biochemistry. 271(1)
ISSN: 0003-2697
Popis: To investigate the intracellular concentrations of adenosine phosphates in Escherichia coli, especially during bioreactor cultivations, a method that enables reproducible determination of adenosine phosphates in culture solutions containing at least 0.25 g dry cell weight/L has been developed. The detection limits of AMP, ADP, and ATP were found to be as low as 1 pmol. The method involves fast sampling, instantaneous inactivation of cell metabolism, extraction of nucleotides, and quantitative analysis by ion-pair reversed-phase HPLC.
Databáze: OpenAIRE