List of differentially expressed proteins identified by MALDI-TOF-MS.

aAbbreviation of cellular role categories of theoretical (http://www.ncbi.nlm.gov/COG/).bAbbreviation of cellular location. Protein cellular location was annotated by PSORTb V. 2.0 (http://www.psort.org/). C: Cytoplasmic, P: Periplasmic, U: Unknown, OM: OuterMembrane, CM: CytoplasmicMembrane.cProteins upshifted in the BMΔvirB mutant are marked with “+”, and those downshifted with “−”; unique protein spots in BM are marked with “Y”, and in BMΔvirB with “T”.