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Related Concept Videos

Microbe-Plant Interactions01:09

Microbe-Plant Interactions

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...
Microbial Interactions: Mutualism01:25

Microbial Interactions: Mutualism

Mutualism is a symbiotic interaction in which all participating organisms benefit. These relationships can be obligate or facultative and are fundamental to ecosystem functions across diverse biological systems.Plant–Fungi MutualismOne well-known example is the association between plant roots and mycorrhizal fungi, such as Rhizophagus species. The fungal hyphae penetrate the root hairs and the epidermis, forming an extensive hyphal network that establishes a symbiotic association. Through this...
The Roles of Bacteria and Fungi in Plant Nutrition02:11

The Roles of Bacteria and Fungi in Plant Nutrition

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.
Microbial Interactions: Cooperation01:26

Microbial Interactions: Cooperation

Microbial cooperation involves beneficial interactions in which different species work together for individual or mutual advantage. These interactions can profoundly influence ecological dynamics and evolutionary processes, and they are essential to many pathogenic and symbiotic relationships.Nematode–Bacteria CooperationA striking example is the relationship between the Gram-negative bacterium Xenorhabdus nematophila and the parasitic nematode Steinernema carpocapsae. Juvenile nematodes...
Microbial Bioremediation of Pesticides01:28

Microbial Bioremediation of Pesticides

Pesticides often feature structurally complex chemical architectures, incorporating halogen groups and multiple aromatic rings. These characteristics confer high chemical stability, rendering many pesticides resistant to natural degradation processes. This resistance poses significant environmental concerns, as persistent pesticide residues can accumulate in ecosystems and affect non-target organisms.Despite the inherent stability of many pesticides, certain microorganisms possess the metabolic...
Microbial Interactions: Parasitism01:22

Microbial Interactions: Parasitism

Parasitism is a form of microbial interaction in which parasitic microbes exploit a host organism for nutrients and shelter, often at the host's expense. Unlike mutualistic relationships, where both organisms benefit, parasitism benefits only the parasite and harms the host.Classification of ParasitesMicrobial parasites are broadly classified based on their location relative to the host.Ectoparasites remain on the host’s surface, such as the skin or outer tissues, drawing nutrients...

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Related Experiment Video

Updated: May 9, 2026

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

Published on: July 22, 2017

Volatile organic compound mediated interactions at the plant-microbe interface.

Robert R Junker1, Dorothea Tholl

  • 1Department of Organismic Biology, University Salzburg, Hellbrunnerstrasse 34, 5020, Salzburg, Austria.

Journal of Chemical Ecology
|July 25, 2013
PubMed
Summary

Plant volatile organic compounds (VOCs) shape bacterial communities on plant surfaces. These VOCs can inhibit or support bacterial growth, influencing plant health and interactions.

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Ecosystem Fabrication (EcoFAB) Protocols for The Construction of Laboratory Ecosystems Designed to Study Plant-microbe Interactions

Published on: April 10, 2018

Area of Science:

  • Plant-microbe interactions
  • Microbial ecology
  • Biochemistry

Background:

  • Microorganisms colonize distinct plant surface habitats: rhizosphere, phyllosphere, and anthosphere.
  • These habitats present unique environmental factors influencing microbial establishment and growth.
  • Plant-emitted volatile organic compounds (VOCs) are key factors in these environments.

Purpose of the Study:

  • To investigate the effects of plant-emitted volatile organic compounds (VOCs) on bacterial colonizers.
  • To explore the dual role of VOCs as growth inhibitors and carbon sources for bacteria.
  • To understand how VOCs define bacterial niches on plant surfaces.

Main Methods:

  • Review of existing literature on plant VOCs and their effects on bacteria.
  • Analysis of specific VOC classes (terpenoids, benzenoids, aliphatics, sulfur compounds).
  • Examination of bacterial genera with distinct niche preferences based on plant VOC emissions.

Main Results:

  • Plant VOCs exhibit growth-inhibiting properties against certain bacteria through various mechanisms.
  • Specific VOCs act as carbon sources, supporting the growth of different bacterial taxa.
  • Bacterial colonization patterns and niche differentiation are strongly influenced by plant VOC profiles.

Conclusions:

  • Plant VOCs play a critical role in shaping bacterial communities on plant surfaces.
  • Plants utilize VOCs to selectively control microbial colonization, favoring mutualists and deterring pathogens.
  • This VOC-mediated control impacts plant fitness and interactions with other organisms.