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Streptomyces Exploration: Competition, Volatile Communication and New Bacterial Behaviours
Stephanie E Jones1, Marie A Elliot1
1Department of Biology and M.G. DeGroote Institute for Infectious Disease Research, McMaster University, 1280 Main Street West, Hamilton, ON, Canada, L8S 4K1.
Trends in Microbiology
|March 2, 2017
Summary
Streptomyces bacteria exhibit a novel
Area of Science:
- Microbiology
- Biochemistry
- Chemical Ecology
Background:
- Streptomyces bacteria are known for producing specialized metabolites and have a complex life cycle.
- A newly identified growth behavior, 'exploration,' allows explorer cells to rapidly move across surfaces.
- This exploration is triggered by fungal interactions and involves alkaline volatile organic compounds (VOCs).
Purpose of the Study:
- To investigate Streptomyces exploration through the lens of interkingdom interactions.
- To understand the role of pH-induced morphological switches in this behavior.
- To explore the mechanisms of VOC-mediated communication in stimulating exploration.
Main Methods:
- Microscopic observation of Streptomyces growth patterns.
- Analysis of volatile organic compound production and effects.
- pH monitoring and manipulation during growth.
Main Results:
- Fungal interactions and alkaline VOCs were confirmed as potent stimulators of Streptomyces exploration.
- Specific VOCs were identified that induce rapid surface translocation in Streptomyces.
- Exploration is linked to pH changes and distinct morphological adaptations.
Conclusions:
- Microbial interactions, particularly with fungi, and VOCs significantly influence Streptomyces development.
- VOCs represent a novel communication channel for regulating microbial behavior and development.
- Exploiting VOCs offers a promising strategy to control and enhance Streptomyces behaviors for biotechnological applications.
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