Updated project metadata. One of the dysbioses often observed in CD patients is an increased abundance of Escherichia coli (10-100 fold compared to healthy individuals) [Gevers et al., 2014]. E. coli isolates collected from CD and healthy patients were cultivated on LB medium at aerobic conditions up to medium log phase and their total proteomes were analysed by shotgun proteomics by HPLC-MS/MS. Refs. Gevers D, Kugathasan S, Denson LA, Vazquez-Baeza Y, Van Treuren W, Ren B, et al. The treatment-naive microbiome in new-onset Crohn’s disease. 2014. Cell Host Microbe 15: 382–92.