Our new paper is out in Genome Biology and Evolution! Prabh Basra and Ahlam Alsaadi (both former MSc students) spearheaded this work on trade-offs between drug resistance and fitness in the absence of drug in clinical isolates of E. coli.
https://academic.oup.com/gbe/advance-article/doi/10.1093/gbe/evy030/4843993