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Full-Text Articles in Medicine and Health Sciences

Structural Modeling Of The Treponema Pallidum Outer Membrane Protein Repertoire: A Road Map For Deconvolution Of Syphilis Pathogenesis And Development Of A Syphilis Vaccine, Kelly L. Hawley, Jairo M. Montezuma-Rusca, Kristina N. Delgado, Navreeta Singh, Vladimir N. Uversky, Melissa J. Caimano, Justin D. Radolf, Amit Luthra Jan 2021

Structural Modeling Of The Treponema Pallidum Outer Membrane Protein Repertoire: A Road Map For Deconvolution Of Syphilis Pathogenesis And Development Of A Syphilis Vaccine, Kelly L. Hawley, Jairo M. Montezuma-Rusca, Kristina N. Delgado, Navreeta Singh, Vladimir N. Uversky, Melissa J. Caimano, Justin D. Radolf, Amit Luthra

Molecular Medicine Faculty Publications

Treponema pallidum, an obligate human pathogen, has an outer membrane (OM) whose physical properties, ultrastructure, and composition differ markedly from those of phylogenetically distant Gram-negative bacteria. We developed structural models for the outer membrane protein (OMP) repertoire (OMPeome) of T. pallidum Nichols using solved Gram-negative structures, computational tools, and small-angle X-ray scattering (SAXS) of selected recombinant periplasmic domains. The T. pallidum “OMPeome” harbors two “stand-alone” proteins (BamA and LptD) involved in OM biogenesis and four paralogous families involved in the influx/efflux of small molecules: 8-stranded β-barrels, long-chain-fatty-acid transporters (FadLs), OM factors (OMFs) for efflux pumps, and T. pallidum repeat proteins …