How Proline “Programs” Microbial Communities
Targeted Nutrient Delivery System
Data Highlight: In saline-alkali soil trials, exogenous proline increased nitrogen-fixing bacteria abundance by 52% and crop yield by 28%.
Mechanism: Proline serves as a high-energy carbon/nitrogen source, preferentially metabolized by beneficial microbes (e.g., rhizobia, arbuscular mycorrhizal fungi), creating “microbial fertilizer factories.”
Toxicity Buffering & Signal Activation
Heavy Metal Scenario: Proline chelates >70% of free cadmium ions, significantly reducing microbial oxidative stress.
Quorum Sensing Regulation: AI modeling reveals proline activates LuxR-type signaling pathways, enhancing biofilm formation.
Microbial Network Restructuring
Visualization: Proline strengthens functional connectivity between Actinobacteria and Bacteroidetes.
Metabolic Reprogramming: Unlocking Microbial “Hidden Skills”
“Dark Matter” Activation: Metagenomic analysis reveals proline induces expression of 13 novel hydrolase genes (e.g., proline dehydrogenase variants), unlocking potential for organic pollutant degradation.
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Energy Economy Remodeling: Under nitrogen-limited conditions, Proline enhances ATP production efficiency by 22% via the P5C reductase pathway |
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Post time: May-13-2025
