Cyclotides: from structure to function

SJ De Veer, MW Kan, DJ Craik - Chemical reviews, 2019 - ACS Publications
This Review explores the class of plant-derived macrocyclic peptides called cyclotides. We
include an account of their discovery, characterization, and distribution in the plant kingdom …

Plant antimicrobial peptides

R Nawrot, J Barylski, G Nowicki, J Broniarczyk… - Folia microbiologica, 2014 - Springer
Plant antimicrobial peptides (AMPs) are a component of barrier defense system of plants.
They have been isolated from roots, seeds, flowers, stems, and leaves of a wide variety of …

[HTML][HTML] Immunomodulatory peptides—A promising source for novel functional food production and drug discovery

M Pavlicevic, N Marmiroli, E Maestri - Peptides, 2022 - Elsevier
Immunomodulatory peptides are a complex class of bioactive peptides that encompasses
substances with different mechanisms of action. Immunomodulatory peptides could also be …

The cyclotide cycloviolacin O2 from Viola odorata has potent bactericidal activity against Gram-negative bacteria

M Pränting, C Lööv, R Burman… - Journal of …, 2010 - academic.oup.com
Objectives To determine the antibacterial activity of small cyclic plant proteins, ie cyclotides,
and the importance of the surface exposed charged residues for activity. Methods Prototypic …

On the selectivity and efficacy of defense peptides with respect to cancer cells

F Harris, SR Dennison, J Singh… - Medicinal research …, 2013 - Wiley Online Library
Here, we review potential determinants of the anticancer efficacy of innate immune peptides
(ACPs) for cancer cells. These determinants include membrane‐based factors, such as …

Plant antimicrobial peptides as potential anticancer agents

JJ Guzmán-Rodríguez… - BioMed research …, 2015 - Wiley Online Library
Antimicrobial peptides (AMPs) are part of the innate immune defense mechanism of many
organisms and are promising candidates to treat infections caused by pathogenic bacteria to …

Plant cyclotides disrupt epithelial cells in the midgut of lepidopteran larvae

BL Barbeta, AT Marshall, AD Gillon… - Proceedings of the …, 2008 - National Acad Sciences
Several members of the Rubiaceae and Violaceae plant families produce a series of
cyclotides or macrocyclic peptides of 28–37 aa with an embedded cystine knot. The cyclic …

Decoding the membrane activity of the cyclotide kalata B1: the importance of phosphatidylethanolamine phospholipids and lipid organization on hemolytic and anti …

ST Henriques, YH Huang, KJ Rosengren… - Journal of Biological …, 2011 - ASBMB
Cyclotides, a large family of cyclic peptides from plants, have a broad range of biological
activities, including insecticidal, cytotoxic, and anti-HIV activities. In all of these activities, cell …

Oxytocic plant cyclotides as templates for peptide G protein-coupled receptor ligand design

J Koehbach, M O'Brien… - Proceedings of the …, 2013 - National Acad Sciences
Cyclotides are plant peptides comprising a circular backbone and three conserved disulfide
bonds that confer them with exceptional stability. They were originally discovered in …

Discovery of an unusual biosynthetic origin for circular proteins in legumes

AG Poth, ML Colgrave, RE Lyons… - Proceedings of the …, 2011 - National Acad Sciences
Cyclotides are plant-derived proteins that have a unique cyclic cystine knot topology and are
remarkably stable. Their natural function is host defense, but they have a diverse range of …