<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">García-Heredia, Alam</style></author><author><style face="normal" font="default" size="100%">Kado, Takehiro</style></author><author><style face="normal" font="default" size="100%">Sein, Caralyn E</style></author><author><style face="normal" font="default" size="100%">Puffal, Julia</style></author><author><style face="normal" font="default" size="100%">Osman, Sarah H</style></author><author><style face="normal" font="default" size="100%">Judd, Julius</style></author><author><style face="normal" font="default" size="100%">Gray, Todd A</style></author><author><style face="normal" font="default" size="100%">Morita, Yasu S</style></author><author><style face="normal" font="default" size="100%">Siegrist, M Sloan</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Membrane-partitioned cell wall synthesis in mycobacteria.</style></title><secondary-title><style face="normal" font="default" size="100%">Elife</style></secondary-title><alt-title><style face="normal" font="default" size="100%">Elife</style></alt-title></titles><dates><year><style  face="normal" font="default" size="100%">2021</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2021 Feb 05</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">10</style></volume><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Many antibiotics target the assembly of cell wall peptidoglycan, an essential, heteropolymeric mesh that encases most bacteria. In rod-shaped bacteria, cell wall elongation is spatially precise yet relies on limited pools of lipid-linked precursors that generate and are attracted to membrane disorder. By tracking enzymes, substrates, and products of peptidoglycan biosynthesis in , we show that precursors are made in plasma membrane domains that are laterally and biochemically distinct from sites of cell wall assembly. Membrane partitioning likely contributes to robust, orderly peptidoglycan synthesis, suggesting that these domains help template peptidoglycan synthesis. The cell wall-organizing protein DivIVA and the cell wall itself promote domain homeostasis. These data support a model in which the peptidoglycan polymer feeds back on its membrane template to maintain an environment conducive to directional synthesis. Our findings are applicable to rod-shaped bacteria that are phylogenetically distant from , indicating that horizontal compartmentalization of precursors may be a general feature of bacillary cell wall biogenesis.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Kavunja, Herbert W</style></author><author><style face="normal" font="default" size="100%">Biegas, Kyle J</style></author><author><style face="normal" font="default" size="100%">Banahene, Nicholas</style></author><author><style face="normal" font="default" size="100%">Stewart, Jessica A</style></author><author><style face="normal" font="default" size="100%">Piligian, Brent F</style></author><author><style face="normal" font="default" size="100%">Groenevelt, Jessica M</style></author><author><style face="normal" font="default" size="100%">Sein, Caralyn E</style></author><author><style face="normal" font="default" size="100%">Morita, Yasu S</style></author><author><style face="normal" font="default" size="100%">Niederweis, Michael</style></author><author><style face="normal" font="default" size="100%">Siegrist, M Sloan</style></author><author><style face="normal" font="default" size="100%">Swarts, Benjamin M</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Photoactivatable Glycolipid Probes for Identifying Mycolate-Protein Interactions in Live Mycobacteria.</style></title><secondary-title><style face="normal" font="default" size="100%">J Am Chem Soc</style></secondary-title><alt-title><style face="normal" font="default" size="100%">J Am Chem Soc</style></alt-title></titles><dates><year><style  face="normal" font="default" size="100%">2020</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2020 04 29</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">142</style></volume><pages><style face="normal" font="default" size="100%">7725-7731</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Mycobacteria have a distinctive glycolipid-rich outer membrane, the mycomembrane, which is a critical target for tuberculosis drug development. However, proteins that associate with the mycomembrane, or that are involved in its metabolism and host interactions, are not well-characterized. To facilitate the study of mycomembrane-related proteins, we developed photoactivatable trehalose monomycolate analogues that metabolically incorporate into the mycomembrane in live mycobacteria, enabling photo-cross-linking and click-chemistry-mediated analysis of mycolate-interacting proteins. When deployed in with quantitative proteomics, this strategy enriched over 100 proteins, including the mycomembrane porin (MspA), several proteins with known mycomembrane synthesis or remodeling functions (CmrA, MmpL3, Ag85, Tdmh), and numerous candidate mycolate-interacting proteins. Our approach is highly versatile, as it (i) enlists click chemistry for flexible protein functionalization; (ii) in principle can be applied to any mycobacterial species to identify endogenous bacterial proteins or host proteins that interact with mycolates; and (iii) can potentially be expanded to investigate protein interactions with other mycobacterial lipids. This tool is expected to help elucidate fundamental physiological and pathological processes related to the mycomembrane and may reveal novel diagnostic and therapeutic targets.&lt;/p&gt;
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