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Sugar-Fueled Dissipative Living Materials.

Hyuna Jo1,2, Serxho Selmani1,2, Zhibin Guan1,2,3,4,5

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Researchers created novel living materials that exhibit fuel-driven dissipative behaviors. These materials, using Staphylococcus epidermidis and glucose, show controlled phase transitions, advancing synthetic biology.

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Area of Science:

  • Synthetic Biology
  • Materials Science
  • Biochemistry

Background:

  • Dissipative behaviors in biology are essential fuel-driven cellular processes that create complex biological structures.
  • Synthetic dissipative materials mimic these behaviors using external fuels like chemicals, light, or electricity.
  • Creating synthetic living materials with cell-controlled dissipative behaviors remains an unexplored area.

Purpose of the Study:

  • To develop synthetic living materials exhibiting fuel-driven dissipative behaviors controlled by cellular metabolism.
  • To investigate the role of a specific chemical fuel in controlling macroscopic properties of these living materials.

Main Methods:

  • Constructed living materials composed of Staphylococcus epidermidis and telechelic block copolymers.
  • Utilized d-glucose as a chemical fuel source for the bacteria and as a competitive disassembling agent.
  • Observed and analyzed macroscopic phase transitions induced by fuel consumption.

Main Results:

  • Demonstrated a novel chemical fuel-driven dissipative behavior in synthetic living materials.
  • Showcased d-glucose's dual function in controlling bacterial metabolism and material disassembly.
  • Achieved macroscopic phase transitions regulated by the consumption of the biological fuel.

Conclusions:

  • This study represents a significant advancement in creating synthetic dissipative living systems.
  • The developed system offers a new paradigm for designing emergent living materials.
  • Provides foundational knowledge and tools for future research in responsive biomaterials.