{"id":13428,"date":"2024-02-08T16:18:00","date_gmt":"2024-02-08T16:18:00","guid":{"rendered":"https:\/\/www.sygnaturediscovery.com\/?post_type=journal-paper&p=13428"},"modified":"2026-01-29T17:05:32","modified_gmt":"2026-01-29T17:05:32","slug":"azetidines-kill-multidrug-resistant-mycobacterium-tuberculosis-without-detectable-resistance-by-blocking-mycolate-assembly","status":"publish","type":"journal-paper","link":"https:\/\/www.sygnaturediscovery.com\/fr\/journal-paper\/azetidines-kill-multidrug-resistant-mycobacterium-tuberculosis-without-detectable-resistance-by-blocking-mycolate-assembly\/","title":{"rendered":"Azetidines Kill Multidrug-Resistant\u00a0Mycobacterium tuberculosis\u00a0without Detectable Resistance by Blocking Mycolate Assembly"},"content":{"rendered":"\n

Yixin Cui, Alice Lanne, Xudan Peng, Edward Browne<\/strong>, Apoorva Bhatt, Nicholas J. Coltman, Philip Craven, Liam R. Cox, Nicholas J. Cundy, Katie Dale, Antonio Feula, Jon Frampton, Martin Fung, Michael Morton, Aaron Goff, Mariwan Salih, Xingfen Lang, Xingjian Li, Chris Moon, Jordan Pascoe, Vanessa Portman<\/strong>, Cara Press, Timothy Schulz-Utermoehl<\/strong>, Suki Lee, Micky D. Tortorella, Zhengchao Tu, Zoe E. Underwood, Changwei Wang, Akina Yoshizawa, Tianyu Zhang, Simon J. Waddell, Joanna Bacon, Luke Alderwick, John S. Fossey, Cleopatra Neagoie<\/p>\n\n\n\n

Abstract<\/strong><\/p>\n\n\n\n

Tuberculosis (TB) is the leading cause of global morbidity and mortality resulting from infectious disease, with over 10.6 million new cases and 1.4 million deaths in 2021. This global emergency is exacerbated by the emergence of multidrug-resistant MDR-TB and extensively drug-resistant XDR-TB; therefore, new drugs and new drug targets are urgently required. From a whole cell phenotypic screen, a series of azetidines derivatives termed BGAz, which elicit potent bactericidal activity with MIC99<\/sub> values <10 \u03bcM against drug-sensitive Mycobacterium tuberculosis<\/em> and MDR-TB, were identified. These compounds demonstrate no detectable drug resistance. The mode of action and target deconvolution studies suggest that these compounds inhibit mycobacterial growth by interfering with cell envelope biogenesis, specifically late-stage mycolic acid biosynthesis. Transcriptomic analysis demonstrates that the BGAz compounds tested display a mode of action distinct from the existing mycobacterial cell wall inhibitors. In addition, the compounds tested exhibit toxicological and PK\/PD profiles that pave the way for their development as antitubercular chemotherapies.<\/p>\n\n\n\n

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