Optimised collection of non-uniformly sampled 2D-HSQC NMR spectra for use in metabolic flux analysis

Mark Jeeves, Jennie Roberts, Christian Ludwig

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Abstract

Nuclear magnetic resonance (NMR) spectroscopy is integral to metabolic studies; yet, it can suffer from the long acquisition times required to collect data of sufficient signal strength and resolution. The use of non-uniform sampling (NUS) allows faster collection of NMR spectra without loss of spectral integrity. When planning experimental methodologies to perform metabolic flux analysis (MFA) of cell metabolism, a variety of options are available for the acquisition of NUS NMR data. Before beginning data collection, decisions have to be made regarding selection of pulse sequence, number of transients and NUS specific parameters such as the sampling level and sampling schedule. Poor choices will impact data quality, which may have a negative effect on the subsequent analysis and biological interpretation. Herein, we describe factors that should be considered when setting up non-uniformly sampled 2D-1 H,13 C HSQC NMR experiments for MFA and provide a standard protocol for users to follow.

Original languageEnglish
JournalMagnetic Resonance in Chemistry
Early online date24 Aug 2020
DOIs
Publication statusE-pub ahead of print - 24 Aug 2020

Bibliographical note

© 2020 The Authors. Magnetic Resonance in Chemistry published by John Wiley & Sons Ltd.

Keywords

  • MFA
  • NMR
  • NUS
  • isotopomers
  • metabolism
  • tracer

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)

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