skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Metabolic Source Isotopic Pair Labeling and Genome-Wide Association Are Complementary Tools for the Identification of Metabolite-Gene Associations in Plants

Abstract

The optimal extraction of information from untargeted metabolomics analyses is a continuing challenge. Here, we describe an approach that combines stable isotope labeling, liquid chromatography– mass spectrometry (LC–MS), and a computational pipeline to automatically identify metabolites produced from a selected metabolic precursor. Here, we identified the subset of the soluble metabolome generated from phenylalanine (Phe) in Arabidopsis thaliana, which we refer to as the Phe-derived metabolome (FDM) In addition to identifying Phe-derived metabolites present in a single wild-type reference accession, the FDM was established in nine enzymatic and regulatory mutants in the phenylpropanoid pathway. To identify genes associated with variation in Phe-derived metabolites in Arabidopsis, MS features collected by untargeted metabolite profiling of an Arabidopsis diversity panel were retrospectively annotated to the FDM and natural genetic variants responsible for differences in accumulation of FDM features were identified by genome-wide association. Large differences in Phe-derived metabolite accumulation and presence/absence variation of abundant metabolites were observed in the nine mutants as well as between accessions from the diversity panel. Many Phe-derived metabolites that accumulated in mutants also accumulated in non-Col-0 accessions and was associated to genes with known or suspected functions in the phenylpropanoid pathway as well as genes with no knownmore » functions. Overall, we show that cataloguing a biochemical pathway’s products through isotopic labeling across genetic variants can substantially contribute to the identification of metabolites and genes associated with their biosynthesis.« less

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3];  [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Purdue Univ., West Lafayette, IN (United States)
  2. Purdue Univ., West Lafayette, IN (United States); Cold Springs Harbor Lab., NY (United States)
  3. North Carolina State Univ., Kannapolis, NC (United States); North Carolina State Univ., Raleigh, NC (United States)
Publication Date:
Research Org.:
Purdue Univ., West Lafayette, IN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER). Biological Systems Science Division; USDOE Office of Science (SC), Basic Energy Sciences (BES); United States Dept. of Agriculture National Inst. of Food and Agriculture
OSTI Identifier:
1770370
Grant/Contract Number:  
SC0020368; FG02-07ER15905; 2018-08121/1019231
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
The Plant Cell (Online)
Additional Journal Information:
Journal Volume: 33; Journal Issue: 3; Journal ID: ISSN 1532-298X
Publisher:
American Society of Plant Biologists (ASPB)
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; 59 BASIC BIOLOGICAL SCIENCES; metabolomics; mass spectrometry; phenylpropanoid; GWAS; Arabidopsis

Citation Formats

Simpson, Jeffrey P., Wunderlich, Cole, Li, Xu, Svedin, Elizabeth, Dilkes, Brian, and Chapple, Clint. Metabolic Source Isotopic Pair Labeling and Genome-Wide Association Are Complementary Tools for the Identification of Metabolite-Gene Associations in Plants. United States: N. p., 2021. Web. doi:10.1093/plcell/koaa046.
Simpson, Jeffrey P., Wunderlich, Cole, Li, Xu, Svedin, Elizabeth, Dilkes, Brian, & Chapple, Clint. Metabolic Source Isotopic Pair Labeling and Genome-Wide Association Are Complementary Tools for the Identification of Metabolite-Gene Associations in Plants. United States. https://doi.org/10.1093/plcell/koaa046
Simpson, Jeffrey P., Wunderlich, Cole, Li, Xu, Svedin, Elizabeth, Dilkes, Brian, and Chapple, Clint. 2021. "Metabolic Source Isotopic Pair Labeling and Genome-Wide Association Are Complementary Tools for the Identification of Metabolite-Gene Associations in Plants". United States. https://doi.org/10.1093/plcell/koaa046. https://www.osti.gov/servlets/purl/1770370.
@article{osti_1770370,
title = {Metabolic Source Isotopic Pair Labeling and Genome-Wide Association Are Complementary Tools for the Identification of Metabolite-Gene Associations in Plants},
author = {Simpson, Jeffrey P. and Wunderlich, Cole and Li, Xu and Svedin, Elizabeth and Dilkes, Brian and Chapple, Clint},
abstractNote = {The optimal extraction of information from untargeted metabolomics analyses is a continuing challenge. Here, we describe an approach that combines stable isotope labeling, liquid chromatography– mass spectrometry (LC–MS), and a computational pipeline to automatically identify metabolites produced from a selected metabolic precursor. Here, we identified the subset of the soluble metabolome generated from phenylalanine (Phe) in Arabidopsis thaliana, which we refer to as the Phe-derived metabolome (FDM) In addition to identifying Phe-derived metabolites present in a single wild-type reference accession, the FDM was established in nine enzymatic and regulatory mutants in the phenylpropanoid pathway. To identify genes associated with variation in Phe-derived metabolites in Arabidopsis, MS features collected by untargeted metabolite profiling of an Arabidopsis diversity panel were retrospectively annotated to the FDM and natural genetic variants responsible for differences in accumulation of FDM features were identified by genome-wide association. Large differences in Phe-derived metabolite accumulation and presence/absence variation of abundant metabolites were observed in the nine mutants as well as between accessions from the diversity panel. Many Phe-derived metabolites that accumulated in mutants also accumulated in non-Col-0 accessions and was associated to genes with known or suspected functions in the phenylpropanoid pathway as well as genes with no known functions. Overall, we show that cataloguing a biochemical pathway’s products through isotopic labeling across genetic variants can substantially contribute to the identification of metabolites and genes associated with their biosynthesis.},
doi = {10.1093/plcell/koaa046},
url = {https://www.osti.gov/biblio/1770370}, journal = {The Plant Cell (Online)},
issn = {1532-298X},
number = 3,
volume = 33,
place = {United States},
year = {Wed Jan 27 00:00:00 EST 2021},
month = {Wed Jan 27 00:00:00 EST 2021}
}

Works referenced in this record:

Mapping the Arabidopsis Metabolic Landscape by Untargeted Metabolomics at Different Environmental Conditions
journal, January 2018


MIA: non-targeted mass isotopolome analysis
journal, June 2016


Shikimic Acid as a Precursor in Lignin Biosynthesis
journal, April 1955


Variance component model to account for sample structure in genome-wide association studies
journal, March 2010


Ferulate-5-hydroxylase from Arabidopsis thaliana defines a new family of cytochrome P450-dependent monooxygenases.
journal, July 1996


Characterization of Arabidopsis thaliana Pinoresinol Reductase, a New Type of Enzyme Involved in Lignan Biosynthesis
journal, June 2008


Tracking the metabolic pulse of plant lipid production with isotopic labeling and flux analyses: Past, present and future
journal, April 2015


XCMS:  Processing Mass Spectrometry Data for Metabolite Profiling Using Nonlinear Peak Alignment, Matching, and Identification
journal, February 2006


Characterization of a recently evolved flavonol-phenylacyltransferase gene provides signatures of natural light selection in Brassicaceae
journal, August 2016


Role of a GDSL lipase-like protein as sinapine esterase in Brassicaceae
journal, March 2008


A Familiar Ring to It: Biosynthesis of Plant Benzoic Acids
journal, January 2015


KNApSAcK Family Databases: Integrated Metabolite–Plant Species Databases for Multifaceted Plant Research
journal, November 2011


Convergent Evolution in Plant Specialized Metabolism
journal, June 2011


Studies of Lignin Biosynthesis Using Isotopig Carbon: v. Comparative Studies on Different Plant Species
journal, January 1956


Natural variation in flavonol accumulation in Arabidopsis is determined by the flavonol glucosyltransferase BGLU6
journal, December 2015


UGT73C6 and UGT78D1, Glycosyltransferases Involved in Flavonol Glycoside Biosynthesis in Arabidopsis thaliana
journal, August 2003


OPLS discriminant analysis: combining the strengths of PLS-DA and SIMCA classification
journal, August 2006


The advantages and limitations of trait analysis with GWAS: a review
journal, January 2013


Small Glycosylated Lignin Oligomers Are Stored in Arabidopsis Leaf Vacuoles
journal, February 2015


A 13C isotope labeling method for the measurement of lignin metabolic flux in Arabidopsis stems
journal, June 2018


Glucosinolate and phenylpropanoid biosynthesis are linked by proteasome‐dependent degradation of PAL
journal, September 2019


Arabidopsis thaliana expresses a second functional flavonol synthase
journal, May 2009


X 13 CMS: Global Tracking of Isotopic Labels in Untargeted Metabolomics
journal, January 2014


MetExtract II: A Software Suite for Stable Isotope-Assisted Untargeted Metabolomics
journal, August 2017


Redirection of the phenylpropanoid pathway to feruloyl malate in Arabidopsis mutants deficient for cinnamoyl-CoA reductase 1
journal, November 2007


The Path of Carbon in Photosynthesis. V. Paper Chromatography and Radioautography of the Products 1
journal, April 1950


CAMERA: An Integrated Strategy for Compound Spectra Extraction and Annotation of Liquid Chromatography/Mass Spectrometry Data Sets
journal, December 2011


Genome-wide patterns of genetic variation in worldwide Arabidopsis thaliana accessions from the RegMap panel
journal, January 2012


The Arabidopsis REF8 gene encodes the 3-hydroxylase of phenylpropanoid metabolism
journal, April 2002


geoRge: A Computational Tool To Detect the Presence of Stable Isotope Labeling in LC/MS-Based Untargeted Metabolomics
journal, December 2015


A Fast, Powerful Method for Detecting Identity by Descent
journal, February 2011


Biosynthesis of isoprenoids in higher plant chloroplasts proceeds via a mevalonate-independent pathway
journal, January 1997


Conditions Under Which Genome-Wide Association Studies Will be Positively Misleading
journal, September 2010


Exploring the Arabidopsis sulfur metabolome
journal, November 2013


Discovery of a novel amino acid racemase through exploration of natural variation in Arabidopsis thaliana
journal, August 2015


DLEMMA-MS-Imaging for Identification of Spatially Localized Metabolites and Metabolic Network Map Reconstruction
journal, July 2018


Genome-wide association study of 107 phenotypes in Arabidopsis thaliana inbred lines
journal, March 2010


Assembly of an Evolutionarily New Pathway for α-Pyrone Biosynthesis in Arabidopsis
journal, August 2012


Whole-genome sequencing of multiple Arabidopsis thaliana populations
journal, August 2011


The biosynthesis of glucosinolates
journal, November 1997


Miso: an R package for multiple isotope labeling assisted metabolomics data analysis
journal, February 2019


Disruption of Mediator rescues the stunted growth of a lignin-deficient Arabidopsis mutant
journal, March 2014


ATTED-II in 2018: A Plant Coexpression Database Based on Investigation of the Statistical Property of the Mutual Rank Index
journal, December 2017


REF4 and RFR1, Subunits of the Transcriptional Coregulatory Complex Mediator, Are Required for Phenylpropanoid Homeostasis in Arabidopsis
journal, December 2011


The ARABIDOPSIS Accession Pna-10 Is a Naturally Occurring sng1 Deletion Mutant
journal, January 2010


A cheminformatics approach to characterize metabolomes in stable-isotope-labeled organisms
journal, March 2019


A Systems Biology View of Responses to Lignin Biosynthesis Perturbations in Arabidopsis
journal, September 2012