Infectious diseases remain significant health concerns worldwide, and resistance is particularly common in patients with tuberculosis caused by . The development of anti-infectives with novel modes of action may help overcome resistance. In this regard, membrane-active agents, which modulate membrane components essential for the survival of pathogens, present attractive antimicrobial agents. Key advantages of membrane-active compounds include their ability to target slow-growing or dormant bacteria and their favorable pharmacokinetics. Here, we comprehensively review recent advances in the development of membrane-active chemotypes that target mycobacterial membranes and discuss clinically relevant membrane-active antibacterial agents that have shown promise in counteracting bacterial infections. We discuss the relationship between the membrane properties and the synthetic requirements within the chemical scaffold, as well as the limitations of current membrane-active chemotypes. This review will lay the chemical groundwork for the development of membrane-active antituberculosis agents and will foster the discovery of more effective antitubercular agents.
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http://dx.doi.org/10.1021/acs.jmedchem.1c01870 | DOI Listing |
Sci Rep
December 2024
Pornchai Matangkasombut Center for Microbial Genomics, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok, 10400, Thailand.
Mycobacterium tuberculosis Complex (MTBC), the etiological agent of tuberculosis (TB), demonstrates considerable genotypic diversity with distinct geographic distributions and variable virulence profiles. The pe-ppe gene family is especially noteworthy for its extensive variability and roles in host immune response modulation and virulence enhancement. We sequenced an Mtb genotype L2.
View Article and Find Full Text PDFCytoskeleton (Hoboken)
December 2024
GN Ramachandran Protein Center, CSIR Institute of Microbial Technology, Chandigarh, India.
Z-ring formation by FtsZ, the master assembler of the divisome, is a key step in bacterial cell division. Membrane anchoring of the Z-ring requires the assistance of dedicated Z-ring binding proteins, such as SepF and FtsA. SepF participates in bundling and membrane anchoring of FtsZ in gram-positive bacteria.
View Article and Find Full Text PDFPLoS One
December 2024
UCD School of Agriculture and Food Science, University College Dublin, Dublin, Ireland.
Mycobacterium bovis (M. bovis) causes bovine tuberculosis (bTB). The challenges in controlling and eradicating this zoonotic disease are compounded by our incomplete understanding of the host immune response.
View Article and Find Full Text PDFACS Infect Dis
December 2024
Department of Chemistry and Biochemistry, University of Texas at Dallas, Richardson, Texas 75080, United States.
Tuberculosis is one of the deadliest infectious diseases and continues to be a major health risk in many parts of the world. Even today, the century-old Bacillus Calmette-Guerin (BCG) vaccine is the only formulation on the market and is ineffective for several sections of the global population responsible for transmission. In the search for antigens that can mount a robust immune response, we have reported the recombinant expression and purification of two novel membrane proteins, the Cation transporter protein V (CtpV) and the Mycobacterial copper transporter B (MctB) present on the membrane surface of .
View Article and Find Full Text PDFJ Biomol Struct Dyn
December 2024
Department of Bioscience and Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, India.
The complex cell envelope of pathogenic mycobacteria provides a strong barrier against the host immune system and various antibiotics. Phosphatidyl-myo-inositol mannosides (PIMs), lipomannan (LM), and lipoarabinomannan (LAM) are structurally important elements of mycobacterial cell envelope and also play crucial roles in modulating the host immune functions. At the cytoplasmic side of the mycobacterial inner membrane, phosphatidyl-myo-inositol (PI) is mannosylated by α-mannosyltransferases PimA and PimB' to synthesize PIM using GDP-mannose (GDPM) as the mannose donor.
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