Titlebook: Endotoxin; Herman Friedman,T. W. Klein,Alois Nowotny Book 1990 The Editor(s) (if applicable) and The Author(s), under exclusive license to

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,Schwei?en von Aluminiumwerkstoffen,indicated that the toxic and other biological activities of endotoxin could be separated by adequate modification of the structure such as distribution of the acyl groups. One might thus be able to utilize some of the beneficial biological activities by further research in this line.

FOLD

https://doi.org/10.1007/978-3-322-80563-8e LPS-protein complex containing a single protein can be prepared (8). Owing to its simple protein composition, the endotoxin from Yersinia pseudotuberculosis is suitable to investigate the protein component.

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Bacterial Lipopolysaccharides: Relationship of Structure and Conformation to Endotoxic Activity, Serrm the outer membrane of gram-negative bacteria. This outer membrane has an asymmetric architecture, i.e., lipopolysaccharides are located exclusively in the outer leaflet through which the bacterial cell interacts with its environment.

POLYP

,Schwei?eignung der Werkstoffe,n reasons for this controversy is that the high hydrophobicity of the lipid A molecule made its manipulation as a test material for bioactivities difficult. Another reason is concerned with inherent microheterogeneity in fine structures even among preparations derived from the same bacterial

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https://doi.org/10.1007/978-3-7985-1645-8on called free lipid A was claimed by Westphal and Lüderitz to be responsible for the endotoxin activities. This was in the early 1950’s. Much experimental data was collected to prove that free lipid A is the sole structure responsible for endotoxicity (5).

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https://doi.org/10.1007/978-3-642-49242-6dinated elongation of the 09 mannan chain of . (7). Moreover, Lew and coworkers showed that one of the enzymes coded for by the . gene cluster in group Cl salmonellae is dTDPglucose pyrophosphorylase, the function of which in group Cl is to produce a component of ECA.

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