Research Topic: microfluidics

MetaFlowTrain: a highly parallelized and modular fluidic system for studying exometabolite-mediated inter-organismal interactions

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Scientists developed MetaFlowTrain, a system that allows them to study how different microorganisms communicate through chemical molecules they produce. The system uses tiny connected chambers with filters that let chemical signals pass between microbes but keep the organisms separated. This tool revealed that bacteria can inhibit fungal growth through their chemical products and showed how soil conditions affect microbial community structure and plant health.

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Autonomous, miniature research station (lab-payload) for the nanosatellite biological mission: LabSat

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Scientists created a miniature autonomous laboratory that fit inside a shoebox-sized satellite to grow fungi and seeds in space. Launched in 2022, this lab successfully maintained the right temperature, humidity, and food supply for the biological samples while orbiting Earth, sending back images proving the plants and fungi were growing properly. This breakthrough shows that small, affordable satellites can now conduct serious biological research in microgravity, which could help prepare for future human missions to the Moon and Mars.

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Monitoring the impact of confinement on hyphal penetration and fungal behavior

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Scientists created tiny glass channels that mimic soil conditions to study how fungi grow when squeezed into tight spaces. They observed seven different fungal species growing through these channels and measured how fast their thread-like hyphae could push through. Most fungi slowed down in tighter spaces, but each species had unique behaviors, like branching patterns or the ability to push so hard they broke the glass containers.

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Hierarchical Structure of the Program Used by Filamentous Fungi to Navigate in Confining Microenvironments

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This research reveals how fungi navigate through tight spaces like soil and wood using sophisticated biological ‘programs’ operating at three levels: individual fungal threads, groups of threads, and entire fungal networks. Each level uses different strategies like sensing openings, remembering directions, and avoiding neighbors to efficiently explore confined spaces. By understanding these natural algorithms, scientists could develop new bio-inspired solutions for navigation and space exploration problems.

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Quantitative Characterization of Gene Regulatory Circuits Associated With Fungal Secondary Metabolism to Discover Novel Natural Products

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Scientists developed a special technology using tiny channels and fluorescent markers to understand how fungi control their genes that produce valuable compounds. By precisely measuring how different genes turn on and off in individual fungal cells, they can now predict and control when and how much of useful medicines and other bioactive molecules are made. They successfully used this knowledge to create new pathways that produce novel compounds, including new types of dendrobine molecules never seen before.

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Cell wall remodeling in a fungal pathogen is required for hyphal growth into microspaces

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Researchers discovered how fungi squeeze through tiny spaces inside plant tissues to cause disease. They found that fungi need to soften and remodel their cell walls to reduce their width and fit through spaces that are much narrower than normal fungal filaments. This ability to change shape is critical for the fungus to invade and colonize plants, ultimately causing wilting diseases in crops like tomatoes.

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Hierarchical Structure of the Program Used by Filamentous Fungi to Navigate in Confining Microenvironments

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Fungi navigating through tight spaces like soil use sophisticated biological programs similar to computer algorithms. Researchers studied how three fungal species move through confined microfluidic channels, discovering they use a three-level system: individual threads sense passages and remember direction, groups of threads avoid each other and share resources, and entire fungal networks solve problems through local independent decisions. This hierarchical approach efficiently explores space while balancing energy use.

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