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Convergent MurJ flippase inhibition by phage lysis proteins
Nature News
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Convergent MurJ flippase inhibition by phage lysis proteins

Nature News · Feb 25, 2026 · Collected from RSS

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Data availabilityAtomic coordinates of SglM–MurJ, SglPP7–MurJ and SglCJ3–MurJ are deposited at the Protein Data Bank (PDB) with accession codes 9NU4, 9NU5 and 9NU8, respectively. Cryo-EM maps of SglM–MurJ, SglPP7–MurJ and SglCJ3–MurJ are deposited at the Electron Microscopy Data Bank (EMDB) with accession codes EMDB-49796, EMDB-49797 and EMDB-49798, respectively. Source data are provided with this paper.Code availability The code used for microscopy analysis of lysis morphology is available from GitHub at https://github.com/AntillonF/bleb_statistical_analysis.git. ReferencesMurray, C. J. L. et al. Global burden of bacterial antimicrobial resistance in 2019: a systematic analysis. Lancet 399, 629–655 (2022).Article CAS Google Scholar Naghavi, M. et al. Global burden of bacterial antimicrobial resistance 1990–2021: a systematic analysis with forecasts to 2050. Lancet 404, 1199–1226 (2024).Article Google Scholar Cook, M. A. & Wright, G. D. The past, present, and future of antibiotics. Sci. Transl. Med. 14, eabo7793 (2022).Article CAS PubMed Google Scholar Bugg, T. D. H., Braddick, D., Dowson, C. G. & Roper, D. I. Bacterial cell wall assembly: still an attractive antibacterial target. Trends Biotechnol. 29, 167–173 (2011).Article CAS PubMed Google Scholar Lovering, A. L., Safadi, S. S. & Strynadka, N. C. J. Structural perspective of peptidoglycan biosynthesis and assembly. Annu. Rev. Biochem. 81, 451–478 (2012).Article CAS PubMed Google Scholar Theuretzbacher, U., Blasco, B., Duffey, M. & Piddock, L. J. V. Unrealized targets in the discovery of antibiotics for Gram-negative bacterial infections. Nat. Rev. Drug Discov. 22, 957–975 (2023).Article CAS PubMed Google Scholar Sham, L.-T. et al. MurJ is the flippase of lipid-linked precursors for peptidoglycan biogenesis. Science 345, 220–222 (2014).Article ADS CAS PubMed PubMed Central Google Scholar Chamakura, K. R. et al. A viral protein antibiotic inhibits lipid II flippase activity. Nat. Microbiol. 2, 1480–1484 (2017).Article CAS PubMed PubMed Central Google Scholar Adler, B. A. et al. Multicopy suppressor screens reveal convergent evolution of single-gene lysis proteins. Nat. Chem. Biol. 19, 759–766 (2023).Article CAS PubMed PubMed Central Google Scholar Kuk, A. C. Y., Hao, A. & Lee, S.-Y. Structure and mechanism of the lipid flippase MurJ. Annu. Rev. Biochem. 91, 705–729 (2022).Article CAS PubMed PubMed Central Google Scholar Kumar, S., Mollo, A., Kahne, D. & Ruiz, N. The bacterial cell wall: from lipid II flipping to polymerization. Chem. Rev. 122, 8884–8910 (2022).Article CAS PubMed PubMed Central Google Scholar Kumar, S., Rubino, F. A., Mendoza, A. G. & Ruiz, N. The bacterial lipid II flippase MurJ functions by an alternating-access mechanism. J. Biol. Chem. 294, 981–990 (2019).Article CAS PubMed Google Scholar Kuk, A. C. Y., Mashalidis, E. H. & Lee, S.-Y. Crystal structure of the MOP flippase MurJ in an inward-facing conformation. Nat. Struct. Mol. Biol. 24, 171–176 (2017).Article CAS PubMed Google Scholar Zheng, S. et al. Structure and mutagenic analysis of the lipid II flippase MurJ from Escherichia coli. Proc. Natl Acad. Sci. USA 115, 201802192 (2018).Article Google Scholar Kuk, A. C. Y., Hao, A., Guan, Z. & Lee, S.-Y. Visualizing conformation transitions of the lipid II flippase MurJ. Nat. Commun. 10, 1736 (2019).Article ADS PubMed PubMed Central Google Scholar Mott, J. E. et al. Resistance mapping and mode of action of a novel class of antibacterial anthranilic acids: evidence for disruption of cell wall biosynthesis. J. Antimicrob. Chemother. 62, 720–729 (2008).Article CAS PubMed Google Scholar Huber, J. et al. Chemical genetic identification of peptidoglycan inhibitors potentiating carbapenem activity against methicillin-resistant Staphylococcus aureus. Chem. Biol. 16, 837–848 (2009).Article CAS PubMed Google Scholar Chu, J. et al. Discovery of MRSA active antibiotics using primary sequence from the human microbiome. Nat. Chem. Biol. 12, 1004–1006 (2016).Article CAS PubMed PubMed Central Google Scholar Chu, J. et al. Human microbiome inspired antibiotics with improved β-lactam synergy against MDR Staphylococcus aureus. ACS Infect. Dis. 4, 33–38 (2018).Article CAS PubMed Google Scholar Bernhardt, T. G., Wang, I.-N., Struck, D. K. & Young, R. Breaking free: ‘protein antibiotics’ and phage lysis. Res. Microbiol. 153, 493–501 (2002).Article CAS PubMed Google Scholar Cahill, J. & Young, R. Phage lysis: multiple genes for multiple barriers. Adv. Virus Res. 103, 33–70 (2019).Article CAS PubMed Google Scholar Chamakura, K. & Young, R. Phage single-gene lysis: finding the weak spot in the bacterial cell wall. J. Biol. Chem. 294, 3350–3358 (2019).Article CAS PubMed Google Scholar Chamakura, K. R. & Young, R. Single-gene lysis in the metagenomic era. Curr. Opin. Microbiol. 56, 109–117 (2020).Article CAS PubMed PubMed Central Google Scholar Orta, A. K. et al. The mechanism of the phage-encoded protein antibiotic from ΦX174. Science 381, eadg9091 (2023).Article CAS PubMed PubMed Central Google Scholar Chamakura, K. R. et al. Rapid de novo evolution of lysis genes in single-stranded RNA phages. Nat. Commun. 11, 6009 (2020).Article ADS CAS PubMed PubMed Central Google Scholar Shi, M. et al. Redefining the invertebrate RNA virosphere. Nature 540, 539–543 (2016).Article ADS CAS PubMed Google Scholar Rumnieks, J. & Tars, K. Diversity of pili-specific bacteriophages: genome sequence of IncM plasmid-dependent RNA phage M. BMC Microbiol. 12, 277–277 (2012).Article CAS PubMed PubMed Central Google Scholar Bolla, J. R. et al. Direct observation of the influence of cardiolipin and antibiotics on lipid II binding to MurJ. Nat. Chem. 10, 363–371 (2018).Article CAS PubMed PubMed Central Google Scholar Mukherjee, S. et al. Synthetic antibodies against BRIL as universal fiducial marks for single−particle cryoEM structure determination of membrane proteins. Nat. Commun. 11, 1598 (2020).Article ADS CAS PubMed PubMed Central Google Scholar Ereño-Orbea, J. et al. Structural basis of enhanced crystallizability induced by a molecular chaperone for antibody antigen-binding fragments. J. Mol. Biol. 430, 322–336 (2018).Article PubMed Google Scholar Olsthoorn, R. C. L., Garde, G., Dayhuff, T., Atkins, J. F. & Van Duin, J. Nucleotide sequence of a single-stranded RNA phage from Pseudomonas aeruginosa: kinship to coliphages and conservation of regulatory RNA structures. Virology 206, 611–625 (1995).Article CAS PubMed Google Scholar Meeske, A. J. et al. MurJ and a novel lipid II flippase are required for cell wall biogenesis in Bacillus subtilis. Proc. Natl Acad. Sci. USA 112, 6437–6442 (2015).Article ADS CAS PubMed PubMed Central Google Scholar Butler, E. K., Davis, R. M., Bari, V., Nicholson, P. A. & Ruiz, N. Structure–function analysis of MurJ reveals a solvent-exposed cavity containing residues essential for peptidoglycan biogenesis in Escherichia coli. J. Bacteriol. 195, 4639–4649 (2013).Article CAS PubMed PubMed Central Google Scholar Butler, E. K., Tan, W. B., Joseph, H. & Ruiz, N. Charge requirements of lipid II flippase activity in Escherichia coli. J. Bacteriol. 196, 4111–4119 (2014).Article PubMed PubMed Central Google Scholar Rubino, F. A. et al. Detection of transport intermediates in the peptidoglycan flippase MurJ identifies residues essential for conformational cycling. J. Am. Chem. Soc. 142, 5482–5486 (2020).Article ADS CAS PubMed PubMed Central Google Scholar Kohga, H. et al. Crystal structure of the lipid flippase MurJ in a ‘squeezed’ form distinct from its inward- and outward-facing forms. Structure 30, 1088–1097 (2022).Article CAS PubMed Google Scholar WHO Bacterial Priority Pathogens List 2024: Bacterial Pathogens of Public Health Importance, to Guide Research, Development, and Strategies to Prevent and Control Antimicrobial Resistance (World Health Organization, 2024).Teague, S. J. Implications of protein flexibility for drug discovery. Nat. Rev. Drug Discov. 2, 527–541 (2003).Article CAS PubMed Google Scholar Simmons, K. J., Chopra, I. & Fishwick, C. W. G. Structure-based discovery of antibacterial drugs. Nat. Rev. Microbiol. 8, 501–510 (2010).Article CAS PubMed Google Scholar Goddard, T. D. et al. UCSF ChimeraX: meeting modern challenges in visualization and analysis. Protein Sci. 27, 14–25 (2018).Article CAS PubMed Google Scholar Sham, L., Zheng, S., Yakhnina, A. A., Kruse, A. C. & Bernhardt, T. G. Loss of specificity variants of WzxC suggest that substrate recognition is coupled with transporter opening in MOP-family flippases. Mol. Microbiol. 109, 633–641 (2018).Article CAS PubMed PubMed Central Google Scholar Punjani, A., Rubinstein, J. L., Fleet, D. J. & Brubaker, M. A. cryoSPARC: algorithms for rapid unsupervised cryo-EM structure determination. Nat. Methods 14, 290–296 (2017).Article CAS PubMed Google Scholar Bepler, T. et al. Positive-unlabeled convolutional neural networks for particle picking in cryo-electron micrographs. Nat. Methods 16, 1153–1160 (2019).Article CAS PubMed PubMed Central Google Scholar Punjani, A., Zhang, H. & Fleet, D. J. Non-uniform refinement: adaptive regularization improves single-particle cryo-EM reconstruction. Nat. Methods 17, 1214–1221 (2020).Article CAS PubMed Google Scholar Jumper, J. et al. Highly accurate protein structure prediction with AlphaFold. Nature 596, 583–589 (2021).Article ADS CAS PubMed PubMed Central Google Scholar Emsley, P., Lohkamp, B., Scott, W. G. & Cowtan, K. Features and development of Coot. Acta Crystallogr. D 66, 486–501 (2010).Article ADS CAS PubMed PubMed Central Google Scholar Afonine, P. V. et al. Real-space refinement in PHENIX for cryo-EM and crystallography. Acta Crystallogr. D 74, 531–544 (2018).Article ADS CAS Google Scholar Williams, C. J. et al. MolProbity: More and better reference data for improved all-atom structure validation. Protein Sci. 27, 293–315 (2018).Article CAS PubMed Google Scholar Bernhardt, T. G. & De Boer, P. A. J. The Escherichia coli amidase AmiC is a periplasmic septal ring co


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