Metabolic Changes in Zebrafish Larvae Infected with <i>Mycobacterium marinum</i>: A Widely Targeted Metabolomic Analysis

Objectives: To explore the metabolic changes in zebrafish larvae after infection with <i>Mycobacterium marinum</i>, this study adopted a widely targeted metabolomic approach to analyze the changes in the overall metabolic profiles of zebrafish larvae infected for 5 days. Methods: Data we...

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Main Authors: Chongyuan Sima, Qifan Zhang, Xiaoli Yu, Bo Yan, Shulin Zhang
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Metabolites
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Online Access:https://www.mdpi.com/2218-1989/15/7/449
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author Chongyuan Sima
Qifan Zhang
Xiaoli Yu
Bo Yan
Shulin Zhang
author_facet Chongyuan Sima
Qifan Zhang
Xiaoli Yu
Bo Yan
Shulin Zhang
author_sort Chongyuan Sima
collection DOAJ
description Objectives: To explore the metabolic changes in zebrafish larvae after infection with <i>Mycobacterium marinum</i>, this study adopted a widely targeted metabolomic approach to analyze the changes in the overall metabolic profiles of zebrafish larvae infected for 5 days. Methods: Data were collected by liquid chromatography–tandem mass spectrometry (LC-MS/MS). Mass spectrometry data were processed using Analyst 1.6.3 and MultiQuant 3.0.3 software, and multivariate statistical analysis was carried out. The KEGG database, HMDB database, and CHEBI database were used to screen and identify differential metabolites, and metabolic pathway enrichment analysis was performed through KEGG pathways. Results: A total of 329 metabolites were detected, among which 61 differential metabolites were screened. Specifically, 41 metabolites, such as kynurenine, isoallolithocholic acid, 2′-deoxyguanosine, indole-3-carboxaldehyde, and L-lactic acid, were downregulated, while 20 metabolites, such as L-palmitoylcarnitine, myristoyl-L-carnitine, dodecanoylcarnitine, 2-isopropyl-malic acid, and 2-methylsuccinic acid, were upregulated. KEGG metabolic pathway enrichment analysis indicated that these differential metabolites were mainly involved in metabolic pathways such as pyrimidine metabolism, nucleotide metabolism, the pentose phosphate pathway, and purine metabolism. Conclusions: This study demonstrated that significant changes occurred in multiple metabolites and metabolic pathways in zebrafish larvae after infection with <i>M. marinum</i>. The research results have improved the understanding of zebrafish as a model organism in the field of <i>Mycobacterium</i> research and laid a solid foundation for subsequent metabolomic-related research using zebrafish.
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spelling doaj-art-e9887bf5951e486b964e044f42f0456e2025-08-20T03:58:26ZengMDPI AGMetabolites2218-19892025-07-0115744910.3390/metabo15070449Metabolic Changes in Zebrafish Larvae Infected with <i>Mycobacterium marinum</i>: A Widely Targeted Metabolomic AnalysisChongyuan Sima0Qifan Zhang1Xiaoli Yu2Bo Yan3Shulin Zhang4Center for Tuberculosis Research, Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, ChinaCenter for Tuberculosis Research, Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, ChinaSchool of Life Science and Technology, Wuhan Polytechnic University, Wuhan 430023, ChinaCenter for Tuberculosis Research, Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, ChinaCenter for Tuberculosis Research, Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, ChinaObjectives: To explore the metabolic changes in zebrafish larvae after infection with <i>Mycobacterium marinum</i>, this study adopted a widely targeted metabolomic approach to analyze the changes in the overall metabolic profiles of zebrafish larvae infected for 5 days. Methods: Data were collected by liquid chromatography–tandem mass spectrometry (LC-MS/MS). Mass spectrometry data were processed using Analyst 1.6.3 and MultiQuant 3.0.3 software, and multivariate statistical analysis was carried out. The KEGG database, HMDB database, and CHEBI database were used to screen and identify differential metabolites, and metabolic pathway enrichment analysis was performed through KEGG pathways. Results: A total of 329 metabolites were detected, among which 61 differential metabolites were screened. Specifically, 41 metabolites, such as kynurenine, isoallolithocholic acid, 2′-deoxyguanosine, indole-3-carboxaldehyde, and L-lactic acid, were downregulated, while 20 metabolites, such as L-palmitoylcarnitine, myristoyl-L-carnitine, dodecanoylcarnitine, 2-isopropyl-malic acid, and 2-methylsuccinic acid, were upregulated. KEGG metabolic pathway enrichment analysis indicated that these differential metabolites were mainly involved in metabolic pathways such as pyrimidine metabolism, nucleotide metabolism, the pentose phosphate pathway, and purine metabolism. Conclusions: This study demonstrated that significant changes occurred in multiple metabolites and metabolic pathways in zebrafish larvae after infection with <i>M. marinum</i>. The research results have improved the understanding of zebrafish as a model organism in the field of <i>Mycobacterium</i> research and laid a solid foundation for subsequent metabolomic-related research using zebrafish.https://www.mdpi.com/2218-1989/15/7/449metabolomiczebrafish<i>Mycobacterium marinum</i>
spellingShingle Chongyuan Sima
Qifan Zhang
Xiaoli Yu
Bo Yan
Shulin Zhang
Metabolic Changes in Zebrafish Larvae Infected with <i>Mycobacterium marinum</i>: A Widely Targeted Metabolomic Analysis
Metabolites
metabolomic
zebrafish
<i>Mycobacterium marinum</i>
title Metabolic Changes in Zebrafish Larvae Infected with <i>Mycobacterium marinum</i>: A Widely Targeted Metabolomic Analysis
title_full Metabolic Changes in Zebrafish Larvae Infected with <i>Mycobacterium marinum</i>: A Widely Targeted Metabolomic Analysis
title_fullStr Metabolic Changes in Zebrafish Larvae Infected with <i>Mycobacterium marinum</i>: A Widely Targeted Metabolomic Analysis
title_full_unstemmed Metabolic Changes in Zebrafish Larvae Infected with <i>Mycobacterium marinum</i>: A Widely Targeted Metabolomic Analysis
title_short Metabolic Changes in Zebrafish Larvae Infected with <i>Mycobacterium marinum</i>: A Widely Targeted Metabolomic Analysis
title_sort metabolic changes in zebrafish larvae infected with i mycobacterium marinum i a widely targeted metabolomic analysis
topic metabolomic
zebrafish
<i>Mycobacterium marinum</i>
url https://www.mdpi.com/2218-1989/15/7/449
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AT xiaoliyu metabolicchangesinzebrafishlarvaeinfectedwithimycobacteriummarinumiawidelytargetedmetabolomicanalysis
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