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  • Analysis of Polymorphic Mem...
    Van Lent, Sarah; De Vos, Winnok H; Huot Creasy, Heather; Marques, Patricia X; Ravel, Jacques; Vanrompay, Daisy; Bavoil, Patrik; Hsia, Ru-Ching

    PloS one, 09/2016, Letnik: 11, Številka: 9
    Journal Article

    The polymorphic membrane protein (Pmp) paralogous families of Chlamydia trachomatis, Chlamydia pneumoniae and Chlamydia abortus are putative targets for Chlamydia vaccine development. To determine whether this is also the case for Pmp family members of C. psittaci, we analyzed transcription levels, protein production and localization of several Pmps of C. psittaci. Pmp expression profiles were characterized using quantitative real-time PCR (RT-qPCR), immunofluorescence (IF) and immuno-electron microscopy (IEM) under normal and stress conditions. We found that PmpA was highly produced in all inclusions as early as 12 hpi in all biological replicates. In addition, PmpA and PmpH appeared to be unusually accessible to antibody as determined by both immunofluorescence and immuno-electron microscopy. Our results suggest an important role for these Pmps in the pathogenesis of C. psittaci, and make them promising candidates in vaccine development.