New rules for cellular entry may aid antibiotic development
Tests show clues to fighting drug-resistant gram-negative bacteria
![antimicrobial](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/05/051017_AC_antibiotic-rules_main_REV.jpg?fit=860%2C460&ssl=1)
MAKE WAY An antimicrobial (mostly green and white in this illustration) that has been modified to target gram-negative bacteria travels through a channel (brown) on its way inside an E. coli cell.
M.F. Richter et al/Nature 2017