Evidence map›Paper›PMID 30830477›Full record

ArticleMetabolomics : Official journal of the Metabolomic Society2019

Tissue-specific differences in metabolites and transcripts contribute to the heterogeneity of ricinoleic acid accumulation in Ricinus communis L. (castor) seeds.

Drew Sturtevant, Trevor B Romsdahl, Xiao-Hong Yu, David J Burks, Rajeev K Azad, John Shanklin, Kent D Chapman

Open access · greenAbstract read
PubMed Publisher
In one paragraph

Article in Metabolomics : Official journal of the Metabolomic Society, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
2.4field-weighted citation impact, top 13% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed, 29 citations in OpenAlex.

  1. Article
  2. Imaging plant metabolism in situ.Journal of experimental botany · 2024
    Review
  3. Article
  4. Article
  5. Article
  6. Molecular Control of Oil Metabolism in the Endosperm of Seeds.International journal of molecular sciences · 2021
    Review
  7. CRISPR/Cas9-InducedFrontiers in plant science · 2021
    Article
  8. Article
  9. Article
  10. Article
  11. The genome of jojoba (Science advances · 2020
    Article
  12. Heterogeneous Distribution of Erucic Acid inFrontiers in plant science · 2019
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 3 institutions in 1 country.

Drew SturtevantDepartment of Biological Sciences, University of North Texas, Denton, TX, USA.ORCID 0000-0003-3152-0394
Trevor B RomsdahlDepartment of Biological Sciences, University of North Texas, Denton, TX, USA.
Xiao-Hong YuDepartment of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY, USA.ORCID 0000-0003-2352-2023
David J BurksDepartment of Biological Sciences, University of North Texas, Denton, TX, USA.ORCID 0000-0003-0098-265X
Rajeev K AzadDepartment of Biological Sciences, University of North Texas, Denton, TX, USA.ORCID 0000-0002-6874-6146
John ShanklinDepartment of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY, USA.ORCID 0000-0002-6774-8043
Kent D ChapmanDepartment of Biological Sciences, University of North Texas, Denton, TX, USA. chapman@unt.edu.ORCID 0000-0003-0489-3072
University of North Texas · USBrookhaven National Laboratory · USStony Brook University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionCastor (Ricinus communis L.) seeds are valued for their production of oils which can comprise up to 90% hydroxy-fatty acids (ricinoleic acid). Castor oil contains mono-, di- and tri- ricinoleic acid containing triacylglycerols (TAGs). Although the enzymatic synthesis of ricinoleic acid is well described, the differential compartmentalization of these TAG molecular species has remained undefined.

objectivesTo examine the distribution of hydroxy fatty acid accumulation within the endosperm and embryo tissues of castor seeds.

methodsMatrix assisted laser desorption/ionization mass spectrometry imaging was used to map the distribution of triacylglycerols in tissue sections of castor seeds. In addition, the endosperm and embryo (cotyledons and embryonic axis) tissues were dissected and extracted for quantitative lipidomics analysis and Illumina-based RNA deep sequencing.

resultsThis study revealed an unexpected heterogeneous tissue distribution of mono-, di- and tri- hydroxy-triacylglycerols in the embryo and endosperm tissues of castor seeds. Pathway analysis based on transcript abundance suggested that distinct embryo- and endosperm-specific mechanisms may exist for the shuttling of ricinoleic acid away from phosphatidylcholine (PC) and into hydroxy TAG production. The embryo-biased mechanism appears to favor removal of ricinoleic acid from PC through phophatidylcholine: diacylglycerol acyltransferase while the endosperm pathway appears to remove ricinoleic acid from the PC pool by preferences of phospholipase A (PLA

conclusionsCollectively, a combination of lipidomics and transcriptomics analyses revealed previously undefined spatial aspects of hydroxy fatty acid metabolism in castor seeds. These studies underscore a need for tissue-specific studies as a means to better understand the regulation of triacylglycerol accumulation in oilseeds.

Indexed as

Castor OilDiacylglycerol CholinephosphotransferaseFatty AcidsGroup IV Phospholipases A2PhosphatidylcholinesRicinoleic AcidsRicinusRicinus communisSeedsSequence Analysis, RNASpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationTriglyceridesCastor OilDiacylglycerol CholinephosphotransferaseFatty AcidsGroup IV Phospholipases A2Phosphatidylcholinesricinoleic acidRicinoleic AcidsTriglyceridesCastorHydroxy fatty acidsLipidomicsMALDIRicinoleic acidRNA-Seq

Identifiers

PMID30830477
OpenAlexW2907630485

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.