Bioremediation Potential of Indigenous Bacterial Consortia in Degrading Microplastics from Freshwater Sediments

Original Research | 2026 | Volume-3 | Issue-1 | Page 30-36

1. Dr Bhawani Shankar Verma, Assistant Professor, Prince Medical College and Hospital Sikar Rajasthan

2. Dr. Akansha Puri, Senior Resident, Prince Medical College and Hospital Sikar Rajasthan

3. Dr Abdul Majid Khan, Assistant Professor, Prince Medical College and Hospital Sikar Rajasthan

   
   

Corresponding Author:-

Dr Abdul Majid Khan,

Assistant Professor,

Prince Medical College and

Hospital Sikar Rajasthan

Bioremediation Potential of Indigenous Bacterial Consortia in Degrading Microplastics from.

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Abstract

Microplastic (MP) pollution in freshwater ecosystems has emerged as a critical environmental threat, necessitating effective and sustainable remediation strategies. This study investigates the bioremediation potential of indigenous bacterial consortia isolated from contaminated freshwater sediments for the degradation of common microplastics, including polyethylene (PE) and polypropylene (PP).

The research involved the isolation and screening of various bacterial strains, followed by the formulation of specialized microbial consortia to enhance metabolic synergy. Over a 90-day experimental period, the degradative efficiency was assessed through weight loss analysis, Surface Scanning Electron Microscopy (SEM), and Fourier-Transform Infrared (FTIR) spectroscopy. SEM imaging revealed significant structural damage, including pitting, cracks, and surface erosion, while FTIR analysis confirmed the formation of new functional groups, indicating oxidative degradation.

Results demonstrated that indigenous consortia achieved significantly higher degradation rates compared to individual strains, highlighting the efficiency of metabolic cooperation in breaking down complex polymer chains. The findings suggest that leveraging site-specific microbial communities offers a robust, eco-friendly, and cost-effective approach to mitigating microplastic accumulation in sediment environments. This study provides a foundational framework for applying in-situ bioremediation techniques to restore freshwater health and reduce the ecological risks associated with plastic persistence.

Keywords: Bioremediation, Microplastics, Indigenous Bacteria, Freshwater Sediments, Polyethylene, Microbial Consortia.