Microalgae growth-promoting bacteria for cultivation strategies: Recent updates and progress

Area of Science:

• Microbiology
• Biotechnology
• Environmental Science

Background:

• Microalgae growth-promoting bacteria (MGPB) are gaining attention for co-culture applications.
• MGPB, including actinobacteria and non-actinobacteria, offer metabolic diversity and adaptability.
• Co-cultures are promising for the water-energy-environment nexus.

Purpose of the Study:

• To review recent advancements in MGPB for microalgae cultivation.
• To explore MGPB-microalgae interaction mechanisms and co-culture applications.
• To present state-of-the-art synthetic biology and metabolic network analyses.

Main Methods:

• Literature review of MGPB and microalgae co-culture studies.
• Analysis of MGPB-microalgae interaction mechanisms.
• Review of synthetic biology and metabolic network analysis applications.

Main Results:

• Identification of potential MGPB strains for microalgae cultivation.
• Review of co-culture applications in biomass production and wastewater treatment.
• Discussion of challenges and prospects for advanced co-culture strategies.

Conclusions:

• MGPB-microalgae co-cultures show significant potential for sustainable biomass production and wastewater treatment.
• Synthetic biology and metabolic network analysis can further optimize these systems.
• These strategies support a circular bioeconomy paradigm for bioproduct synthesis.