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The outer membrane of the hyperthermophilic archaeon Ignicoccus: dynamics, ultrastructure and composition

Näther, D. J. ; Rachel, Reinhard


Ignicoccus is the only archaeal genus known today whose cells possess an outer membrane. According to freeze-etch experiments, it is composed of two leaflets which become separated in the fracture process. Here we show by transmission electron microscopy that the two leaflets can also be visualized in ultrathin sections; they exhibit highly different staining intensities. Biochemical analysis ...


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