3-D printing builds bacterial metropolises

Technique may help researchers study antibiotic resistance

By Meghan Rosen, 14:41 PM October 7, 2013

Using a laser beam “printer” and globs of jelly as ink, scientists can now print tiny 3-D cities of bacteria in virtually any shape.

Bacteria can stick together to form slimy sheets called biofilms that yellow people’s teeth, line the lungs of cystic fibrosis patients and often resist antibiotics. Building 3-D models of bacterial communities could help explain how the microbes work together and evade drugs, says bioengineer Jason Shear of the University of Texas at Austin.

Shear and colleagues ...

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