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Soni V, Rosenn EH, Venkataraman R. Insights into the central role of N-acetyl-glucosamine-1-phosphate uridyltransferase (GlmU) in peptidoglycan metabolism and its potential as a therapeutic target. Biochem J 2023; 480:1147-1164. [PMID: 37498748 DOI: 10.1042/bcj20230173] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 07/07/2023] [Accepted: 07/14/2023] [Indexed: 07/29/2023]
Abstract
Several decades after the discovery of the first antibiotic (penicillin) microbes have evolved novel mechanisms of resistance; endangering not only our abilities to combat future bacterial pandemics but many other clinical challenges such as acquired infections during surgeries. Antimicrobial resistance (AMR) is attributed to the mismanagement and overuse of these medications and is complicated by a slower rate of the discovery of novel drugs and targets. Bacterial peptidoglycan (PG), a three-dimensional mesh of glycan units, is the foundation of the cell wall that protects bacteria against environmental insults. A significant percentage of drugs target PG, however, these have been rendered ineffective due to growing drug resistance. Identifying novel druggable targets is, therefore, imperative. Uridine diphosphate N-acetylglucosamine (UDP-GlcNAc) is one of the key building blocks in PG production, biosynthesized by the bifunctional enzyme N-acetyl-glucosamine-1-phosphate uridyltransferase (GlmU). UDP-GlcNAc metabolism has been studied in many organisms, but it holds some distinctive features in bacteria, especially regarding the bacterial GlmU enzyme. In this review, we provide an overview of different steps in PG biogenesis, discuss the biochemistry of GlmU, and summarize the characteristic structural elements of bacterial GlmU vital to its catalytic function. Finally, we will discuss various studies on the development of GlmU inhibitors and their significance in aiding future drug discoveries.
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Affiliation(s)
- Vijay Soni
- Division of Infectious Diseases, Weill Department of Medicine, Weill Cornell Medicine, New York, NY 10065, U.S.A
| | - Eric H Rosenn
- Tel Aviv University School of Medicine, Tel Aviv 6997801, Israel
| | - Ramya Venkataraman
- Laboratory of Innate Immunity, National Institute of Immunology, New Delhi 110067, India
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Xu X, Dong B, Peng L, Gao C, He Z, Wang C, Zeng J. Anti-tuberculosis drug development via targeting the cell envelope of Mycobacterium tuberculosis. Front Microbiol 2022; 13:1056608. [PMID: 36620019 PMCID: PMC9810820 DOI: 10.3389/fmicb.2022.1056608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 11/25/2022] [Indexed: 12/24/2022] Open
Abstract
Mycobacterium tuberculosis possesses a dynamic cell envelope, which consists of a peptidoglycan layer, a mycolic acid layer, and an arabinogalactan polysaccharide. This envelope possesses a highly complex and unique structure representing a barrier that protects and assists the growth of M. tuberculosis and allows its adaptation to the host. It regulates the immune response of the host cells, causing their damage. Therefore, the cell envelope of M. tuberculosis is an attractive target for vaccine and drug development. The emergence of multidrug-resistant as well as extensively drug resistant tuberculosis and co-infection with HIV prevented an effective control of this disease. Thus, the discovery and development of new drugs is a major keystone for TB treatment and control. This review mainly summarizes the development of drug enzymes involved in the biosynthesis of the cell wall in M. tuberculosis, and other potential drug targets in this pathway, to provide more effective strategies for the development of new drugs.
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Affiliation(s)
- Xinyue Xu
- West China-PUMC CC Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Baoyu Dong
- West China-PUMC CC Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Lijun Peng
- West China-PUMC CC Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Chao Gao
- State Key Laboratory of Biotherapy, Sichuan University, Chengdu, China.,Laboratory of Human Diseases and Immunotherapies, West China Hospital, Sichuan University, Chengdu, China
| | - Zhiqun He
- West China-PUMC CC Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Chuan Wang
- West China-PUMC CC Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Jumei Zeng
- West China-PUMC CC Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
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Han X, Chen C, Wang H, Kang J, Yan Q, Ma Y, Wang W, Wu S, Wang C, Ma X. GlmU inhibitor from the roots of Euphorbia ebracteolata as an anti-tuberculosis agent. RSC Adv 2022; 12:18266-18273. [PMID: 35800323 PMCID: PMC9214920 DOI: 10.1039/d2ra02044k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 06/16/2022] [Indexed: 11/21/2022] Open
Abstract
Ebractenoid F was identified to be a GlmU inhibitor from Euphorbia ebracteolata, which could inhibit the cell wall biosynthesis of M. tb H37Ra, along with the biofilm formation.
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Affiliation(s)
- Xiuyan Han
- Second Affiliated Hospital, Institute of Integrative Medicine, Dalian Medical University, Dalian 116023, P.R. of China
- College of Pharmacy, Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian 116044, P.R. of China
| | - Changming Chen
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang 550001, P.R. of China
| | - Honglei Wang
- College of Pharmacy, Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian 116044, P.R. of China
| | - Jian Kang
- College of Pharmacy, Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian 116044, P.R. of China
| | - Qiulong Yan
- College of Pharmacy, Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian 116044, P.R. of China
| | - Yufang Ma
- College of Pharmacy, Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian 116044, P.R. of China
| | - Wenxin Wang
- College of Pharmacy, Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian 116044, P.R. of China
| | - Shan Wu
- College of Pharmacy, Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian 116044, P.R. of China
| | - Chao Wang
- Second Affiliated Hospital, Institute of Integrative Medicine, Dalian Medical University, Dalian 116023, P.R. of China
- College of Pharmacy, Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian 116044, P.R. of China
| | - Xiaochi Ma
- Second Affiliated Hospital, Institute of Integrative Medicine, Dalian Medical University, Dalian 116023, P.R. of China
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