How bacteria nearly killed by antibiotics can recover — and gain resistance
A protein that pumps toxic chemicals from the microbes allows some of them to resurge
![resistant bacteria](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/05/052219_ts_antibiotic-resistance_feat_rev.jpg?fit=860%2C460&ssl=1)
PUMPED OUT E. coli bacteria can become resistant to the antibiotic tetracycline by making a protein that pumps the drug out of a bacterial cell. Here, resistant bacteria that make the pump protein glow red, while bacteria that don’t make the pump (green) are filled with the antibiotic.
Sophie Nolivos