Pushing the Envelope (IMAGE)

Arizona State University

Pushing the Envelope

Caption

Transmission electron microscopy images of the cyanobacteria cells before and after the addition of nickel. ASU scientists swapped parts from bacteriaphages that infect E. coli and salmonella, simply added nickel to the growth media, where the inserted genes produced enzymes that slowly dissolved the cyanobacteria membranes from within. (A) Cells before nickel addition; (B) 6 h after nickel addition; (C) 12 h after nickel addition; (D) 24 h after nickel addition.

Credit

PNAS

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