7 research outputs found

    « La nécessité d’un combat spécifique pour les femmes étrangères »

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    La Cimade porte depuis les années 1970 une attention particulière aux réalités et aux enjeux de la migration au féminin. Organisation d’ateliers et de formations pour favoriser leur insertion dans la société, permanence de soutien aux victimes de violences, développement de collaborations avec des associations de femmes étrangère, etc., la Cimade multiplie ses actions de solidarité active avec les femmes immigrées

    Evaluation de la transplantation hépatique dans les neuropathies amyloïdes héréditaires non Val30Met

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    PARIS7-Xavier Bichat (751182101) / SudocPARIS-BIUM (751062103) / SudocSudocFranceF

    Rubrivivax gelatinosus acsF (Previously orf358) Codes for a Conserved, Putative Binuclear-Iron-Cluster-Containing Protein Involved in Aerobic Oxidative Cyclization of Mg-Protoporphyrin IX Monomethylester

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    This study describes the characterization of orf358, an open reading frame of previously unidentified function, in the purple bacterium Rubrivivax gelatinosus. A strain in which orf358 was disrupted exhibited a phenotype similar to the wild type under photosynthesis or low-aeration respiratory growth conditions. In contrast, under highly aerated respiratory growth conditions, the wild type still produced bacteriochlorophyll a (Bchl a), while the disrupted strain accumulated a compound that had the same absorption and fluorescence emission spectra as Mg-protoporphyrin but was less polar, suggesting that it was Mg-protoporphyrin monomethylester (MgPMe). These data indicated a blockage in Bchl a synthesis at the oxidative cyclization stage and implied the coexistence of two different mechanisms for MgPMe cyclization in R. gelatinosus, an anaerobic mechanism active under photosynthesis or low oxygenation and an aerobic mechanism active under high-oxygenation growth conditions. Based on these results as well as on sequence analysis indicating the presence of conserved putative binuclear-iron-cluster binding motifs, the designation of orf358 as acsF (for aerobic cyclization system Fe-containing subunit) is proposed. Several homologs of AcsF were found in a wide range of photosynthetic organisms, including Chlamydonomas reinhardtii Crd1 and Pharbitis nil PNZIP, suggesting that this aerobic oxidative cyclization mechanism is conserved from bacteria to plants

    Femmes engagées

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    Le rôle des femmes immigrées dans les mouvements sociaux des sociétés où elles vivent en exil émerge comme nouveau domaine de recherches. L’engagement de ces femmes s’affirme sur tous les fronts. Ce numéro analyse la chronologie de leurs mobilisations depuis les années 1970, à la suite d’un travail de politisation des enjeux rattachés à leurs réalités migratoires et montre comment les luttes des jeunes générations font des identités multiples le terrain de leur émancipation

    Clinical features and prognostic factors of listeriosis: the MONALISA national prospective cohort study

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