Additional file 1: Table S1. of Comparative genomic analysis of toxin-negative strains of Clostridium difficile from humans and animals with symptoms of gastrointestinal disease Roy ChowdhuryPiklu DeMaereMatthew ChapmanToni WordenPaul CharlesIan DarlingAaron DjordjevicSteven 2016 Isolation history, genomic assembly and initial PCR screening results of the five isolates analysed in this manuscript. (DOCX 36 kb)