“…MALDI MS has been evaluated for determination of E. coli pathotypes-for example, non-O157:H7 Shiga toxigenic, enteroaggregative, enterotoxigenic, or enteropathogenic E. coli [53]. Virulence strain differentiation in Helicobacter pylori has been also achieved by MALDI MS [54]. Virulence strain differentiation in Helicobacter pylori has been also achieved by MALDI MS [54].…”