Primary and Secondary Metabolites in Lotus japonicus

Josef L. Ranner, Sabrina Schalk, Cindy Martyniak, Martin Parniske, Caroline Gutjahr, Timo D. Stark, Corinna Dawid

Research output: Contribution to journalReview articlepeer-review

6 Scopus citations

Abstract

Lotus japonicus is a leguminous model plant used to gain insight into plant physiology, stress response, and especially symbiotic plant-microbe interactions, such as root nodule symbiosis or arbuscular mycorrhiza. Responses to changing environmental conditions, stress, microbes, or insect pests are generally accompanied by changes in primary and secondary metabolism to account for physiological needs or to produce defensive or signaling compounds. Here we provide an overview of the primary and secondary metabolites identified in L. japonicus to date. Identification of the metabolites is mainly based on mass spectral tags (MSTs) obtained by gas chromatography linked with tandem mass spectrometry (GC-MS/MS) or liquid chromatography-MS/MS (LC-MS/MS). These MSTs contain retention index and mass spectral information, which are compared to databases with MSTs of authentic standards. More than 600 metabolites are grouped into compound classes such as polyphenols, carbohydrates, organic acids and phosphates, lipids, amino acids, nitrogenous compounds, phytohormones, and additional defense compounds. Their physiological effects are briefly discussed, and the detection methods are explained. This review of the exisiting literature on L. japonicus metabolites provides a valuable basis for future metabolomics studies.

Original languageEnglish
Pages (from-to)11277-11303
Number of pages27
JournalJournal of agricultural and food chemistry
Volume71
Issue number30
DOIs
StatePublished - 2 Aug 2023

Keywords

  • Lotus japonicus
  • mass spectral tags
  • metabolomics
  • phytohormones
  • plant−microbe interactions
  • primary metabolites
  • secondary metabolites

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