Narjes J Alamer, Munirah F Aldayel, Ashraf Khalifa
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引用次数: 0
Abstract
Considering the dangerous effects on the environment of commonly used packaging materials like low-density polyethylene (LDPE), finding a practical and environmentally safe method for decomposing plastics is crucial. In this study, a bacterial strain (HMBC3) was identified in plastic-contaminated soil samples from eastern Saudi Arabia and showed potential for breaking down LDPE, as revealed by results from weight loss, Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and gas chromatography-mass spectrometry (GC-MS). HMBC3 was discovered among bacterial isolates in a mineral nutritional medium (MNM) enhanced with LDPE as the only carbon and energy source. The strain caused changes in the media pH from 7.0 ± 0.03 to 6.23 ± 0.05, while the LDPE also showed 20.4% weight loss. In addition, the 16S rRNA gene similarities revealed a 98.9% homology between HMBC3 and Cytobacillus sp., indicating their close similarity. The high efficiency of strain HMBC3 in biodegrading plastic could potentially lead to its widespread development as an eco-friendly way to eliminate or minimize environmental plastic pollution.
期刊介绍:
The Journal of Microbiology and Biotechnology (JMB) is a monthly international journal devoted to the advancement and dissemination of scientific knowledge pertaining to microbiology, biotechnology, and related academic disciplines. It covers various scientific and technological aspects of Molecular and Cellular Microbiology, Environmental Microbiology and Biotechnology, Food Biotechnology, and Biotechnology and Bioengineering (subcategories are listed below). Launched in March 1991, the JMB is published by the Korean Society for Microbiology and Biotechnology (KMB) and distributed worldwide.