ArticleScientific reports2026
Real-time monitoring of metabolic plasticity in Mycoplasma gallisepticum under varying nutrient conditions via DART-HRMS.
Article in Scientific reports, 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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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.
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Abstract
Mycoplasmas are known for being fastidious, with scientists still struggling to propagate them in vitro. Improving their culture is vital for future research, despite limited metabolomics studies available. This study explored the chemical composition changes in four liquid media (A, B, C, D) inoculated with Mycoplasma gallisepticum (MG), aiming to uncover overlooked metabolic features. We used Direct Analysis in Real Time High-Resolution Mass Spectrometry (DART-HRMS) across five time points over 71 h. Integration of DART-HRMS data with statistical analysis showed that media A and D initially contained higher glucose levels, which declined over time. Lactic acid levels rose in all media, with signals reaching saturation at the latest time points. Subsequent pathway enrichment analysis revealed an unexpected overexpression of arginine metabolism. Spermidine accumulation in certain media suggests a potential link to inhibited biofilm formation, opening questions about polyamine function in MG. Histidinal accumulation indicated an unpredicted amino acid synthesis capability in a mycoplasma and MG's inability to convert arginine into glutamic acid. Additionally, MG was observed to utilize creatine when present. These findings highlight the importance of metabolomics in understanding enigmatic microorganisms like mycoplasmas, reaffirming that environmental factors drive alternative metabolic routes in MG and opening new research avenues.
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