Evidence map›Paper›PMID 42301568›Full record

ArticleMetabolomics : Official journal of the Metabolomic Society2026

Metabolomic characterization and temporal dynamics of Burkholderia cepacia for polyhydroxyalkanoates production from oleic acid.

Alfonso E Alarcón, Nubia C Moreno, Daniel Pardo-Rodriguez, Mónica P Cala, Carlos A M Riascos

Abstract read
In one paragraph

Article in Metabolomics : Official journal of the Metabolomic Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Alfonso E AlarcónChemical and Environmental Engineering Department, Universidad Nacional de Colombia, Bogotá, Colombia.
Nubia C MorenoInstitute of Biotechnology, Universidad Nacional de Colombia, Bogotá, Colombia.
Daniel Pardo-RodriguezMetabolomics Core Facility - MetCore, Vice-Presidency for Research, Universidad de los Andes, Bogotá, Colombia.
Mónica P CalaMetabolomics Core Facility - MetCore, Vice-Presidency for Research, Universidad de los Andes, Bogotá, Colombia.
Carlos A M RiascosChemical and Environmental Engineering Department, Universidad Nacional de Colombia, Bogotá, Colombia. camartinezri@unal.edu.co.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPolyhydroxyalkanoates (PHA) have become biodegradable alternatives for replacing chemical polymers. However, high production costs remain the primary obstacle to the commercial application of this bioprocess, prompting the use of metabolic engineering approaches to optimize PHA quality and increase productivity.

objectivesThis study aimed to identify the endometabolome at different stages during a dynamic fermentation of Burkholderia cepaciausing oleic acid as the carbon source. METHODOLOGY: Untargeted metabolomic analysis was conducted using gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry (LC-MS) techniques. Univariate (UVA) and multivariate (MVA) statistical analyses were performed to determine significant differences between metabolomic profiles.

resultsA total of 24 significant metabolites were identified through GC-MS analysis and 223 through LC-MS, highlighting organic compounds and lipids associated with pathways such as ß-oxidation, the tricarboxylic acid cycle, and the pentose phosphate pathway. Acetyl-CoA emerged as a critical common intermediate in both central biosynthetic and PHA-producing pathways.

conclusionAcetyl-CoA plays a fundamental role in the complex regulatory system activated by nutrient fluctuations in the culture medium, suggesting that the microorganism undergoes metabolic reorganization to optimize carbon source utilization for cellular maintenance.

Indexed as

Burkholderia cepaciaOleic AcidPolyhydroxyalkanoatesChromatography, LiquidFermentationGas Chromatography-Mass SpectrometryMetabolomicsOleic AcidPolyhydroxyalkanoatesBurkholderia cepaciaDynamic analysisPolyhydroxyalkanoatesUntargeted metabolomics analysis

Identifiers

PMID42301568
PMCPMC13272603

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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.