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Keywords:

  • Crosslinking;
  • Fibers;
  • Nanoparticles, metal;
  • Synthetic biology
Thumbnail image of graphical abstract

Functionality-tunable fibers fabricated from the M13 virus are found to have mechanical toughness and strength comparable to synthetic homopolymer fibers. The desired functionality can be programmed by manipulating the virus genome (see figure and cover). The tunable functionalities and mechanical properties of the virus fibers show the promise of various applications.