Visualizing Bacterial Evolution

I usually think of a “mega-plate” as what I end up with when I go to the buffet…

http://gizmodo.com/watch-as-bacteria-evolve-antibiotic-resistance-in-a-gig-1786389688

Saw this on my Google Now feed this morning. The video shows a pretty neat way to visualize bacterial resistance. When we call something “resistant” in clinical terms, we’re referencing breakpoints that correspond to a safe dose in humans. In this experiment, the bacteria became resistant to 1000x concentrated antibiotics… way higher than any dose you could give a human. Pretty terrifying.