Probiotics Affect Virulence-Related Gene Expression in Escherichia coli O157:H7 Medellin-Peña, Maira Jessica ; Wang, Haifeng ; Johnson, Roger ; Anand, Sanjeev ; Griffiths, Mansel W. Abstract Publication: Applied and Environmental Microbiology Pub Date: July 2007 DOI: 10.1128/AEM.00159-07 Bibcode: 2007ApEnM..73.4259M