Not directly since we all have it. It’s a bit confusing from the article but basically they discovered an antibiotic which can target a narrower spectrum than before which will minimize messing up your natural flora and allow drug resistant enterobacter (e coli is a main species, but not the only one) to be over represented. There is an association with ibd and. microbiomes that have e coli over-represented. And there are some subtypes of e coli that appear to be associated, see:

https://pubmed.ncbi.nlm.nih.gov/29141957/