In recent years, excessive use of antibiotics has been raising its head to a serious problem all around the world, as pathogens become drug-resistant and create challenges to the medical field. This failure of the most potent antibiotics that kill pathogens increases the thirst for researchers to look for another way of killing pathogens. It has led to the findings of antimicrobial peptide, which are the most potent peptides to destroy pathogens. This review gives special emphasis to the usage of marine bacteria and other microorganisms for antimicrobial peptide (AMP), which are eco-friendly as well as a developing class of natural and synthetic peptides with a wide spectrum of targets to pathogenic microbes. Consequently, a significant attention has been paid mainly to (i) the structure and types of antimicrobial peptides and (ii) mode of action and mechanism of antimicrobial peptide resistance to pathogens. In addition to this, the designing of AMPs has been analyzed thoroughly for reducing toxicity and developing better potent AMP. It has been done by the modified unnatural amino acids by amidation to target the control of biofilm and persister cells.
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Trends Biotechnol
January 2025
Department of Food Safety/Hygiene and Risk Management, National Cheng Kung University, Tainan, Taiwan; Institute of Basic Medical Sciences, National Cheng Kung University, Tainan, Taiwan. Electronic address:
Bacterial proteome microarrays are high-throughput, adaptable tools that allow the simultaneous investigation of thousands of proteins from various bacterial species. These arrays are used to explore bacterial pathogenicity, pathogen-host interactions, and clinical diseases. Recent advancements have expanded their application to profiling human antibodies, identifying biomarkers for infectious and autoimmune diseases, and studying antimicrobial peptides (AMPs).
View Article and Find Full Text PDFFish Shellfish Immunol
January 2025
Jimei University, College of Fisheries, Key Laboratory of Healthy Mariculture for the East China Sea, Xiamen, 361021, China; Jimei University, College of Fisheries, Engineering Research Center of the Modern Technology for Eel Industry, Xiamen, 361021, China. Electronic address:
Fas-associated protein with Death Domain (FADD) is a crucial signaling component of apoptosis and a vital immunomodulator on inflammatory signaling pathways. However, information on FADD-mediated apoptosis and immune regulation is limited in teleost. We herein cloned a FADD homolog, AjFADD, from Japanese eel (Anguilla japonica).
View Article and Find Full Text PDFMicrob Biotechnol
January 2025
Machine Biology Group, Department of Psychiatry and Microbiology, Institute for Biomedical Informatics, Institute for Translational Medicine and Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
Antimicrobial peptides (AMPs) are promising candidates to combat multidrug-resistant pathogens. However, the high cost of extensive wet-lab screening has made AI methods for identifying and designing AMPs increasingly important, with machine learning (ML) techniques playing a crucial role. AI approaches have recently revolutionised this field by accelerating the discovery of new peptides with anti-infective activity, particularly in preclinical mouse models.
View Article and Find Full Text PDFProbiotics Antimicrob Proteins
January 2025
Faculty of Biotechnologies (BioTech), ITMO University, 9 Lomonosova Street, 191002, Saint Petersburg, Russia.
Antimicrobial peptides (AMPs) are small, positively charged biomolecules produced by various organisms such as animals, microbes, and plants. These AMPs play a significant role in defense mechanisms and protect from adverse conditions. The emerging problem of drug resistance in microbes poses a global health challenge in treating diseases.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Krembil Research Institute, Toronto, ON, Canada.
Background: An explicit molecular level understanding of Alzheimer's Disease (AD) remains elusive. What initiates the disease and why does it progress? Answering these questions will be crucial to the development of much needed new diagnostics and therapeutics. Though the amyloid hypothesis is often debated, recent biologic trial results support a role for Aβ in AD pathogenesis.
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