Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Peptides: new signalling molecules in plants.

Keith Lindsey1, Stuart Casson, Paul Chilley

  • 1The Integrative Cell Biology Laboratory, School of Biological and Biomedical Sciences, University of Durham, South Road, Durham, UK DH1 3LE. keith.lindsey@durham.ac.uk

Trends in Plant Science
|February 8, 2002
PubMed
Summary

Plant hormones, once limited to five classical types, now include peptides crucial for growth and defense. Research is ongoing to understand the function of these newly identified signaling molecules.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Transcriptional regulation of root development in cacao: a genome-wide comparative analysis between zygotic and somatic embryo-derived seedlings.

Frontiers in plant science·2026
Same author

The vesicle trafficking R-SNARE VAMP714 connects auxin responses, ROS and ion homeostasis in Arabidopsis under salt stress.

The New phytologist·2026
Same author

Genome assembly of two allotetraploid cotton germplasms reveals mechanisms of somatic embryogenesis and enables precise genome editing.

Nature genetics·2025
Same author

POLARIS is a copper-binding peptide that interacts with ETR1 to negatively regulate ethylene signaling in Arabidopsis.

Plant communications·2025
Same author

MDF Regulates a Network of Auxin-Dependent and Auxin-Independent Pathways of Adventitious Root Regeneration in <i>Arabidopsis</i>.

Plant direct·2025
Same author

RAPID LEAF FALLING 1 facilitates chemical defoliation and mechanical harvesting in cotton.

Molecular plant·2025

Area of Science:

  • Plant biology
  • Molecular signaling
  • Genomics

Background:

  • Intercellular signaling in plants was historically understood through five classical plant hormones: auxin, cytokinin, ethylene, gibberellin, and abscisic acid.
  • Recent biochemical and genetic studies reveal peptides playing vital roles in plant development and defense.
  • Genome sequencing has identified numerous peptide-encoding genes and potential receptors, highlighting a gap in functional understanding.

Purpose of the Study:

  • To explore the emerging roles of peptide signaling in plant biology.
  • To address the challenge of determining the function of newly identified plant peptides in the post-genomics era.

Main Methods:

  • Biochemical analyses to identify and characterize signaling peptides.
  • Genetic studies to investigate the roles of peptide signaling pathways.

Related Experiment Videos

  • Genome-wide analysis of predicted peptide-encoding genes and receptors.

    • Main Results:

    • Identification of peptides involved in crucial plant processes like defense against pests, cell division and expansion, and self-incompatibility.
    • Discovery of numerous putative peptide-encoding genes and their receptors through genome sequencing.

    Conclusions:

    • Plant peptide signaling represents a significant and expanding area of research beyond classical hormones.
    • Elucidating the functions of these peptides is a key challenge and future direction in plant science.