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Creators/Authors contains: "Haloi, Nandan"

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  1. ; ; ; ; ; ; ; ; (, Proceedings of the National Academy of Sciences)
    Andrej Sali, Bioengineering & (Ed.)
    Significance Antibiotic resistance in Gram-negative pathogens has been identified as an urgent threat to human health by the World Health Organization. The major challenge with treating infections by these pathogens is developing antibiotics that can traverse the dense bacterial outer membrane (OM) formed by a mesh of lipopolysaccharides. Effective antibiotics permeate through OM porins, which have evolved for nutrient diffusion; however, the conformational states of these porins regulating permeation are still unclear. Here, we used molecular dynamics simulations, free energy calculations, Markov-state modeling, and whole-cell accumulation assays to provide mechanistic insight on how a porin shifts between open and closed states. We provide a mechanism of how Gram-negative bacteria confer resistance to antibiotics. 
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  2. ; ; ; ; ; (, Computational and Theoretical Chemistry)
    null (Ed.)
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