Hexagonal surface layer of Campylobacter fetus isolated from humans.

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RESUMO

Electron microscopic studies of the surface structure of Campylobacter fetus by the freeze-etching method showed two different types of S layer. One was in a hexagonal array, and the other was in a tetragonal array. A high-passage-number strain lost its S layer during cultivation on culture media but regained it after a single animal passage.

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