Isolation and identification of polystyrene biodegrading bacteria from soil

Naima Atiq, Safia Ahmed, M. Ishtiaq Ali, Saadia Andleeb, Bashir Ahmad, Geoffery Robson

    Research output: Contribution to journalArticlepeer-review

    Abstract

    With the increased production of municipal solid waste by the disposal of plastic materials, there is a need to develop new biodegradable materials and biodegrade existing plastic materials in daily use. Polystyrene and expanded polystyrene are commodity plastics that are extensively used in packaging and other applications. Six bacterial isolates were isolated from soil buried expanded polystyrene films showing adherence and growth with the polystyrene as a sole carbon source. Scanning electron microscopy (SEM) of the film surface used for isolation showed extensive microbial growth. The preliminary screening of biodegradation capability was done by Fourier transform infrared (FTIR) spectroscopy for surface chemical changes and high pressure liquid chromatography (HPLC) for analysis of biodegradation products. Bacterial isolates NA26, NB6, NB26 showed the production of biodegradation products in the extracellular media indicating biodegradation process. © 2010 Academic Journals.
    Original languageEnglish
    Pages (from-to)1537-1541
    Number of pages4
    JournalAfrican Journal of Microbiology Research
    Volume4
    Issue number14
    Publication statusPublished - Jul 2010

    Keywords

    • Bacteria
    • Biodegradation
    • FTIR
    • Polystyrene
    • Soil burial

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