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Bioactivity of microbial biofilms in extreme environments
Shriya P Bhat1,2, David J Roach2,3
1Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA, United States.
Frontiers in Microbiology
|September 22, 2025
Summary
Extremophilic biofilms, microbial communities in harsh environments, produce novel biomolecules. These biofilms offer potential for developing new medicines and biotechnologies.
Area of Science:
- Microbiology
- Biotechnology
- Environmental Science
Background:
- Biofilms are structured microbial communities crucial for survival in extreme environments.
- Extreme conditions include high/low temperatures, pH, salinity, and nutrient variability.
- Biofilms provide adaptations enabling microbial resilience in these challenging habitats.
Purpose of the Study:
- To review the bioactivity of biofilms in extreme environments.
- To highlight the production of novel biomolecules and biofunctions by these biofilms.
- To explore their potential applications in medicine and biotechnology.
Main Methods:
- Review of scientific literature on extremophilic biofilms.
- Analysis of biofilm adaptations like extracellular polymeric substances and nutrient acquisition.
- Examination of cooperative and competitive microbial interactions within biofilms.
Main Results:
- Extremophilic biofilms exhibit unique adaptations for survival and resilience.
- These biofilms are sources of novel biomolecules with significant bioactivity.
- Key adaptations enhance biofilm structure, resilience, and bioactivity.
Conclusions:
- Extremophilic biofilms possess considerable bioactive potential.
- They can contribute to the development of novel therapeutics, antimicrobials, antioxidants, and anticancer compounds.
- Further research into these biofilms promises advancements in medical and biotechnological applications.
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