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Plant antimicrobial peptides: An overview about classification, toxicity and clinical applications. | LitMetric

Plant antimicrobial peptides: An overview about classification, toxicity and clinical applications.

Int J Biol Macromol

Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Ceará, Brazil; Drug Research and Development Center, Department of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil. Electronic address:

Published: August 2022

AI Article Synopsis

Article Abstract

Antimicrobial peptides, also known as AMPs, are cationic and amphipathic molecules found in all living organisms, composing part of the defense mechanisms against various pathogens, including fungi, viruses, bacteria, and nematodes. AMPs derived from plants are the focus of this review because they have gained attention as alternative molecules to overcome pathogen resistance as well as new drugs to combat cancer. Plant AMPs are generally classified based on their sequences and structures, as thionins, defensins, hevein-like peptides, knottins, stable-like peptides, lipid transfer proteins, snakins, and cyclotides. Although there are studies reporting the toxicity of plant AMPs to nontarget cells or limitations of oral administration, synthetic AMPs with reduced toxicity or allergenicity, or greater resistance to peptidases can be designed by using different bioinformatics tools. Thus, this review provides information about the classification of plant AMPs, their characteristics, mechanisms of action, hemolytic and cytotoxic potential, possible applications in the medical field, and finally, the use of bioinformatics to help design synthetic AMPs with improved features.

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http://dx.doi.org/10.1016/j.ijbiomac.2022.06.043DOI Listing

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