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 Concept Videos

Seed Structure and Early Development of the Sporophyte02:33

Seed Structure and Early Development of the Sporophyte

27.7K
Seed structures are composed of a protective seed coat surrounding a plant embryo, and a food store for the developing embryo. The embryo contains the precursor tissues for leaves, stem, and roots. The endosperm and cotyledons—seed leaves—act as the food reserves for the growing embryo.
27.7K
Microbe-Plant Interactions01:09

Microbe-Plant Interactions

140
Microbe-plant interactions represent a dynamic spectrum of associations shaped by intricate chemical signaling. These interactions can be neutral, beneficial, or detrimental, and profoundly influence plant physiology, growth, and ecosystem function. The plant microbiome, comprising bacteria, fungi, archaea, protists, and viruses, plays a pivotal role in mediating these effects through surface colonization, internal colonization, or systemic symbiosis.Mutualistic associations, particularly with...
140
The Roles of Bacteria and Fungi in Plant Nutrition02:11

The Roles of Bacteria and Fungi in Plant Nutrition

36.3K
Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
36.3K
Transgenic Plants02:50

Transgenic Plants

7.0K
Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
7.0K
Gene Regulation in Microbial Communities: Quorum Sensing01:28

Gene Regulation in Microbial Communities: Quorum Sensing

954
Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...
954

You might also read

Related Articles

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

Sort by
Same author

Features and benefits of a graphical abstract.

Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases·2025
Same author

Clinical Microbiological and Infection: how did we do in 2022?

Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases·2023
Same author

CMI: how did we do in 2019?

Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases·2020
Same author

Transverse drag of slow light in moving atomic vapor.

Optics letters·2020
Same author

Fluoroscopic-guided laparoscopic ileocolic resection with retrieval of retained (PillCam<sup>®</sup>) wireless capsule endoscope.

Techniques in coloproctology·2019
Same author

Submissions to CMI: a new CMI guide for authors.

Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases·2019

Related Experiment Video

Updated: May 4, 2026

Repeatable Stair-step Assay to Access the Allelopathic Potential of Weedy Rice Oryza sativa ssp.
09:00

Repeatable Stair-step Assay to Access the Allelopathic Potential of Weedy Rice Oryza sativa ssp.

Published on: January 28, 2020

7.0K

Seeds as allelopathic agents.

J Friedman1, G R Waller

  • 1Department of Botany George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel.

Journal of Chemical Ecology
|January 11, 2014
PubMed
Summary
This summary is machine-generated.

Plant seeds release chemicals that inhibit growth, known as allelopathy. Coffee seed inhibitor caffeine release increases with seed aging, impacting allelopathic potential.

More Related Videos

A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling
11:16

A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling

Published on: July 22, 2017

13.6K
Inhibition of Aspergillus flavus Growth and Aflatoxin Production in Transgenic Maize Expressing the &#945;-amylase Inhibitor from Lablab purpureus L.
09:21

Inhibition of Aspergillus flavus Growth and Aflatoxin Production in Transgenic Maize Expressing the α-amylase Inhibitor from Lablab purpureus L.

Published on: February 15, 2019

9.5K

Related Experiment Videos

Last Updated: May 4, 2026

Repeatable Stair-step Assay to Access the Allelopathic Potential of Weedy Rice Oryza sativa ssp.
09:00

Repeatable Stair-step Assay to Access the Allelopathic Potential of Weedy Rice Oryza sativa ssp.

Published on: January 28, 2020

7.0K
A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling
11:16

A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling

Published on: July 22, 2017

13.6K
Inhibition of Aspergillus flavus Growth and Aflatoxin Production in Transgenic Maize Expressing the &#945;-amylase Inhibitor from Lablab purpureus L.
09:21

Inhibition of Aspergillus flavus Growth and Aflatoxin Production in Transgenic Maize Expressing the α-amylase Inhibitor from Lablab purpureus L.

Published on: February 15, 2019

9.5K

Area of Science:

  • Biochemistry
  • Plant Biology
  • Ecology

Background:

  • Higher plants produce diverse chemicals that inhibit germination and growth.
  • These allelochemicals are found in various plant parts, including seeds.
  • Nonprotein amino acids, potent inhibitors, are often concentrated in seeds.

Purpose of the Study:

  • To investigate the allelopathic potential of seeds.
  • To understand the factors influencing the rate and duration of inhibitor emanation from seeds.
  • To evaluate the role of seed age in allelopathic activity, using coffee seeds (Coffea arabica L.) as a model.

Main Methods:

  • Analysis of chemical inhibitors in plant seeds.
  • Observation of inhibitor emanation rates and duration.
  • Assessment of seed density, mass, and concentration of inhibitors.
  • Evaluation of allelopathic effects considering seed age.

Main Results:

  • Seed allelopathic potential is determined by inhibitor density, emanation rate, amount, and effectiveness.
  • High inhibitor emanation rates over sufficient durations are necessary for allelopathy.
  • In coffee seeds, the release of the inhibitor caffeine is significantly enhanced during seed senescence.
  • Increased seed number and mass can amplify the inhibition of competing vegetation.

Conclusions:

  • Seed age is a critical factor influencing allelopathic potential.
  • The senescence of coffee seeds leads to increased caffeine emanation, enhancing their allelopathic effects.
  • When assessing seed-induced allelopathy, considering both young and aged seeds is crucial for accurate evaluation.