Mode-of-action of antimicrobial peptides: membrane disruption vs. intracellular mechanisms

AH Benfield, ST Henriques - Frontiers in Medical Technology, 2020‏ - frontiersin.org
Antimicrobial peptides are an attractive alternative to traditional antibiotics, due to their
physicochemical properties, activity toward a broad spectrum of bacteria, and mode-of …

Non-membrane permeabilizing modes of action of antimicrobial peptides on bacteria

M Scocchi, M Mardirossian, G Runti… - Current topics in …, 2016‏ - ingentaconnect.com
Antimicrobial peptides (AMPs) are a large class of innate immunity effectors with a
remarkable capacity to inactivate microorganisms. Their ability to kill bacteria by …

Alteration of Zeta potential and membrane permeability in bacteria: a study with cationic agents

S Halder, KK Yadav, R Sarkar, S Mukherjee, P Saha… - SpringerPlus, 2015‏ - Springer
In the present study, we have tried to establish the correlation between changes in Zeta
potential with that of cell surface permeability using bacteria (Escherichia coli and …

Contribution of amphipathicity and hydrophobicity to the antimicrobial activity and cytotoxicity of β-hairpin peptides

IA Edwards, AG Elliott, AM Kavanagh… - ACS infectious …, 2016‏ - ACS Publications
Bacteria have acquired extensive resistance mechanisms to protect themselves against
antibiotic action. Today the bacterial membrane has become one of the “final frontiers” in the …

Discovery, structure, function, and applications of cyclotides: circular proteins from plants

J Weidmann, DJ Craik - Journal of Experimental Botany, 2016‏ - academic.oup.com
Cyclotides are plant-derived cyclic peptides that have a head-to-tail cyclic backbone and
three conserved disulphide bonds that form a cyclic cystine knot motif. They occur in plants …

The prototypic cyclotide kalata B1 has a unique mechanism of entering cells

ST Henriques, YH Huang, S Chaousis, MA Sani… - Chemistry & biology, 2015‏ - cell.com
Cyclotides combine the stability of disulfide-rich peptides with the intracellular accessibility
of cell-penetrating peptides, giving them outstanding potential as drug scaffolds with an …

Bio‐inspired synthesis of sulphur nanoparticles using leaf extract of four medicinal plants with special reference to their antibacterial activity

P Paralikar, M Rai - Iet Nanobiotechnology, 2018‏ - Wiley Online Library
We report new, eco‐friendly and green method for the synthesis of sulphur nanoparticles
using sodium polysulphide in the presence of leaf extracts of four different medicinal plants …

[HTML][HTML] Apoptotic human neutrophil peptide-1 anti-tumor activity revealed by cellular biomechanics

D Gaspar, JM Freire, TR Pacheco, JT Barata… - … et Biophysica Acta (BBA …, 2015‏ - Elsevier
Cancer remains a major cause of morbidity and mortality worldwide. Although progress has
been made regarding chemotherapeutic agents, new therapies that combine increased …

[HTML][HTML] Structure, function, and biosynthetic origin of octapeptin antibiotics active against extensively drug-resistant Gram-negative bacteria

T Velkov, A Gallardo-Godoy, JD Swarbrick… - Cell chemical …, 2018‏ - cell.com
Resistance to the last-resort antibiotic colistin is now widespread and new therapeutics are
urgently required. We report the first in toto chemical synthesis and pre-clinical evaluation of …

Enhancing the Intrinsic Antiplasmodial Activity and Improving the Stability and Selectivity of a Tunable Peptide Scaffold Derived from Human Platelet Factor 4

N Lawrence, TNG Handley, SJ de Veer… - ACS Infectious …, 2024‏ - ACS Publications
The control of malaria, a disease caused by Plasmodium parasites that kills over half a
million people every year, is threatened by the continual emergence and spread of drug …