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Published on: January 26, 2016
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Advances in cyclotide research: bioactivity to cyclotide-based therapeutics
Ankita Grover1, Sawraj Singh1, Sonal Sindhu2
1Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, 124001, India.
Molecular Diversity
|January 25, 2025
Summary
Cyclotides are stable plant peptides with a unique cyclic cystine knot (CCK) structure. Engineering advancements are unlocking their potential for agriculture and medicine, overcoming production and delivery challenges.
Area of Science:
- Plant biochemistry and molecular biology
- Peptide science
- Biotechnology
Background:
- Cyclotides are plant-derived cyclic peptides characterized by a conserved cyclic cystine knot (CCK) motif.
- Over 750 cyclotides are known across various plant families, exhibiting diverse bioactivities including antimicrobial, antiviral, and pesticidal properties.
- Their mechanism of action involves membrane disruption via a hydrophobic face, highlighting the importance of structure-activity relationships.
Purpose of the Study:
- To review the diversity, bioactivities, and structure-activity relationships of cyclotides.
- To explore advancements in cyclotide engineering for overcoming development challenges.
- To emphasize the potential of cyclotides in medical and biotechnological applications.
Main Methods:
- Literature review and synthesis of existing research on cyclotides.
- Analysis of cyclotide structure, function, and bioactivity data.
- Examination of current and emerging cyclotide engineering strategies.
Main Results:
- Cyclotides possess significant therapeutic and agricultural potential due to their stability and bioactivities.
- Structure-activity relationships are crucial for understanding and optimizing cyclotide function.
- Engineering approaches like peptide grafting, conjugation, and heterologous production show promise for enhancing cyclotide utility.
Conclusions:
- Cyclotides represent a promising class of molecules for drug development and agricultural applications.
- Overcoming challenges in production and pharmacokinetics through engineering is key to realizing their full potential.
- Further research into cyclotide engineering will drive innovation in peptide-based biologics.
Keywords:
BioactivitiesConjugated cyclotidesCyclic cysteine knotCyclotide engineeringCyclotidesNanotubesPeptide-based biologicsMore Related Videos
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