Mechanism ofAdhesion ofAlysiella bovis toGlassSurfaces

FIG. 1. (A)Thinsectionofrutheniumred-stainedghostsofA. bovis. Notethepresenceofnumerousshortrutheniumred-stainedfimbriae.Theghost-membranestructure is complex, andthefimbriaeappeartoterminateat theexternalelectrondenselayer. (B)Ahigh-magnificationmicrographshowingthe structure oftheghost membranesandtheassociation ofthe fimbriae withexternal electron-dense layer(arrows). (C)Ghosts which had been exposed to trypsin for 3 min. Note the few residual fibers protruding from the ghost membrane surfaces. (D)Schematicdiagramofthe structure ofghosts producedfromA. bovis. Theghostsformedas doublets orfilaments. Theghostmembranewascomplex, with fimbriae terminating at the external electron-dense layer. Bar(in A, B, and C), 0.1