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Microfluidic Tools for Probing Fungal-Microbial Interactions at the Cellular Level
Published on: June 23, 2022
How do bacteria recognize fungal competitors?
Lingfang Zhu1, Changfu Li1, Xihui Shen1
1State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Shaanxi Key Laboratory of Agricultural and Environmental Microbiology, College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
Abstract:
Bacterial-fungal interactions (BFIs) are central to microbial community dynamics in diverse ecosystems, with profound implications for medicine, agriculture, and environmental microbiology. A critical yet unresolved question in BFIs is how bacteria specifically detect and respond to fungal competitors. This review synthesizes recent advances in this field, focusing on four integrated strategies that bacteria employ to recognize fungi: (i) sensing conserved fungal cell wall-derived microbe-associated molecular patterns; (ii) eavesdropping on fungal chemical signals, including quorum-sensing molecules and volatile organic compounds; (iii) contact-dependent recognition via chemotaxis, biofilm adhesion, and specialized secretion systems; and (iv) indirect recognition through resource competition. These mechanisms highlight the sophistication of interkingdom communication and its translational potential in managing polymicrobial infections and engineering biocontrol systems.
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