A metabolic approach to study algal-bacterial interactions in changing environments

Area of Science:

• Microbiology
• Phycology
• Evolutionary Biology

Background:

• Growing evidence shows bacterial communities interact with and shape algal biology.
• Evolutionary histories of algae and bacteria are interconnected.
• Physiological studies often neglect these interactions, using axenic or antibiotic-treated cultures.

Purpose of the Study:

• To emphasize the importance of considering algal-bacterial interactions for understanding algal biology and evolution.
• To propose a novel approach for studying the complex holobiont system.
• To provide tools for studying algal-bacterial interactions and holobiont acclimation.

Main Methods:

• Proposing a metabolism-centered approach.
• Utilizing combined metabolic models for algae and associated bacteria.
• Focusing on the 'holobiont' system encompassing both organisms.

Main Results:

• The study presents a theoretical framework and proposed methodology.
• Highlights the necessity of integrated models for studying symbiotic relationships.
• Identifies potential for new insights into algal physiology and adaptation.

Conclusions:

• Considering algal-bacterial interactions is essential for a comprehensive understanding of algal biology and evolution.
• Metabolism-centered, combined metabolic models offer a powerful approach to study the algal holobiont.
• This approach can elucidate processes vital for holobiont acclimation to environmental changes.