What question did this study set out to answer?

The aim was to isolate and identify bacterial strains from landfill sites that can degrade plastics.

May 2, 20260 citationsOpen Access

Isolation, Characterization, and Identification of Plastic Degrading Bacteria From Landfill Sites in Surat, Gujarat

PTPadmshree Patel1*, Avani Shah2, Dolly Tiwari3

Key Points

The aim was to isolate and identify bacterial strains from landfill sites that can degrade plastics.
Bacterial isolates screened using polyethylene glycol as a sole carbon source.
Quantitative analysis performed over a 37-day period with low-density polyethylene.
Morphological and biochemical characterization of isolates conducted.
Five isolates showed significant degradation capabilities, with PDBA-15 (Pseudomonas sp.) achieving 8.70% weight loss.
Identified species included Klebsiella, Bacillus, Pseudomonas, and Proteus.
Findings suggest indigenous landfill bacteria can potentially bioremediate plastic waste.

Abstract

Plastic pollution remains a critical environmental challenge due to the recalcitrant nature of synthetic polymers. This study aimed to isolate and identify indigenous bacterial strains capable of degrading plastics from three dumping sites in Surat, Gujarat: Khajod (Site-1 PDBK-3, PDBK-5, PDBKC-14, PDBA-15, and PDBA-18 showed significant degradation capabilities. Isolate PDBA-15 (Pseudomonas sp.) emerged as the most potent isolate, representing a weight loss of 8.70%. Morphological and biochemical characterization identified these potential degraders as species of Klebsiella, Bacillus, Pseudomonas, and Proteus. These findings suggest that indigenous landfill bacteria possess significant potential for the bioremediation of plastic waste.

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