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

a<p>Abbreviation of cellular role categories of theoretical (<a href="http://www.ncbi.nlm.gov/COG/" target="_blank">http://www.ncbi.nlm.gov/COG/</a>).</p>b<p>Abbreviation of cellular location. Protein cellular location was annotated by PSORTb V. 2.0 (<a href="http://www.psort.org/" target="_blank">http://www.psort.org/</a>). C: Cytoplasmic, P: Periplasmic, U: Unknown, OM: OuterMembrane, CM: CytoplasmicMembrane.</p>c<p>Proteins 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”.