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Characterization of a Staphylococcus haemolyticus strain isolated from agroindustrial waste effluent and susceptibility of its biofilm on polyethylene to antibiotics

Keka Sarkar, Rajat Banerjee, Sumana Mukherjee

Abstract


A strain of Staphylococcus haemolyticus was isolated from a sugar industry liquid waste which was generated after the clarification process and was designated as BP/SU2. Low Density Polyethylene (LDPE) is a thermoplastic, ubiquitous in its use as a cheap commercial packing material. Disposal of LDPE carry bags is an issue, especially in developing countries where segregation of waste into recyclable and non recyclable components does not get due importance. Use of antibiotics at a low dose as growth promoters in the agricultural setting is a common practice all over the world. Numerous reports show that sub MIC doses of antibiotics, especially β-lactams can induce biofilm phenotype in bacteria including Staphylococcus sp. Clinical isolates of S. haemolyticus are known to form biofilm on indwelling medical devices. Here, we highlight LDPE as a suitable surface for BP/SU2 to propagate in the biofilm mode and report that at a sub MIC dose of ampicillin, BP/SU2 shows enhanced biofilm formation on LDPE.

Keywords


Staphylococcus haemolyticus; antibiotics; sub MIC, biofilm; LDPE

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References


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DOI: https://doi.org/10.37628/ijbb.v1i1-2.11

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