Biochemical and physiological determinants of intramolecular isotope patterns in sucrose from C₃, C₄ and CAM plants accessed by isotopic ¹³C NMR spectrometry: a viewpoint

Natural Product Reports
Alexis GilbertGuillaume Tcherkez

Abstract

This paper discusses the biochemical and physiological factors underlying the site-specific, non-random distribution of ¹³C/¹²C isotope ratios within plant metabolites, which can be determined by isotopic ¹³C NMR spectrometry. It focuses on the key metabolite glucose and on enzyme activities and physiological processes that are responsible for the carbon isotope patterns in glucose from different biological origins. It further considers how intramolecular ¹³C/¹²C isotope ratios in glucose can be exploited to understand fundamental aspects of plant biological chemistry, how these are related to environmental parameters and how these influence metabolites beyond central sugar metabolism. It does not purport to be an extensive overview of intramolecular isotopic patterns. Rather, the aim is to show how a full understanding of ¹³C/¹²C fractionations occurring during plant metabolism can only be possible once the factors that define intramolecular isotope values are better delineated.

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Citations

Oct 18, 2012·Proceedings of the National Academy of Sciences of the United States of America·Alexis GilbertGuillaume G B Tcherkez
Dec 25, 2012·European Journal of Pharmaceutical Sciences : Official Journal of the European Federation for Pharmaceutical Sciences·Gérald S RemaudSerge Akoka
Nov 14, 2015·Rapid Communications in Mass Spectrometry : RCM·Tarin NimmanwudipongNaohiro Yoshida
Apr 22, 2015·Isotopes in Environmental and Health Studies·Hanns-Ludwig SchmidtRoland A Werner
Dec 7, 2016·Magnetic Resonance in Chemistry : MRC·Tangi JézéquelSerge Akoka
Nov 21, 2020·Tropical Animal Health and Production·Raniel Lustosa de MouraEdson Mendes da Silva

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