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  • Title: Paf-acether production by Escherichia coli.
    Author: Denizot Y, Dassa E, Benveniste J, Thomas Y.
    Journal: Biochem Biophys Res Commun; 1989 Jun 15; 161(2):939-43. PubMed ID: 2660796.
    Abstract:
    Paf is a potent mediator of inflammatory diseases and septic shock. In previous studies we showed that paf can be released by prokaryotic cells such as E. coli. In this report we define the production and release of paf by E. coli cultured under different experimental conditions. When cultures were supplemented with lyso paf, a dramatic increase in paf production was observed. Most of the paf synthesized by bacteria was released in the supernatant. Of interest C16 lyso paf was 4-fold more efficient than its C18 counterpart. Using normal and reverse phase HPLC bacterial paf exhibited physico-chemical characteristics identical to those of synthetic paf. These results may indicate that the putative E. coli acetyltransferase recognizes differently C16 and C18 lyso paf. They also could be of importance considering the pathogenetic role of enterobacteria.
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