Root-Associated Plant Growth-Promoting Bacteria in Mangrove Ecosystem and its Application in Sustainable...

Area of Science:

• Ecology
• Microbiology
• Biotechnology

Background:

• Mangroves inhabit extreme environments (salinity, waterlogging, low oxygen).
• Mangroves possess adaptive mechanisms to survive these stressors.
• Root-associated microbes, especially plant growth-promoting bacteria (PGPB), are crucial for mangrove resilience.

Purpose of the Study:

• To investigate root-associated PGPB in mangrove ecosystems.
• To understand their roles in mangrove plant adaptation.
• To explore their biotechnological potential.

Main Methods:

• Isolation and characterization of PGPB from mangrove roots.
• Assessment of plant growth-promoting properties (e.g., nutrient fixation, phytohormone production).
• Evaluation of PGPB's role in stress tolerance (e.g., salinity).

Main Results:

• Diverse PGPB isolated from mangroves exhibit significant plant growth-promoting activities.
• These PGPB enhance nutrient uptake (N, P, K) and produce beneficial compounds.
• PGPB confer resilience to mangroves by aiding nutrient balance, osmoregulation, and stress mitigation.

Conclusions:

• Root-associated PGPB are vital symbionts for mangrove survival and resilience.
• These microbes have promising biotechnological applications in sustainable agriculture and environmental management.
• Harnessing PGPB offers innovative solutions for saline agriculture and mangrove restoration.