02398nas a2200289   4500008004100000022001400041245011100055210006900166260000800235300001100243490000800254520145100262653001901713653003101732653002401763653001601787653001601803653002001819100002101839700001601860700002201876700001801898700002501916700001801941700002301959856012601982       2026                        eng d  a0141-391000aNovel biosurfactant assisted biodegradation of polystyrene by Actinomycetes and its chemical understanding0 aNovel biosurfactant assisted biodegradation of polystyrene by Ac  cAPR  a1119460 v2463 a<p>
	The current study highlights the effective biodegradation of polystyrene by two actinobacterial strains, Glutamicibacter sp. K-1 and Rhodococcus sp. BG-30. FT-IR, Raman spectroscopy, and GPC data showed the degradation pattern of polystyrene. Additionally, GC-MS analysis showed that strain K-1 produced a variety of degradation by-products, including alkanes, 2,4-Di-ter-butyl phenol, 2-propenoic acid, tridecyl ester, and dibutyl phthalate, while strain BG-30 produced a greater amount of alkenes, phthalic acid, and isobutyl octyl esters. GPC detected a drop in polystyrene's average molecular weight (Mn), which suggests chain scission of the polymer. Changes in polystyrene's roughness and other morphological properties were shown by AFM and FE-SEM. The effects of a conventional rhamnolipid and a novel thermostable biosurfactant fatty alkene (0.1 % each) on the breakdown of polystyrene were examined. Strain K-1 and BG-30 resulted in increasing the degradation of polystyrene to 12 % (w/w) and 16 % (w/w), respectively in the presence of fatty alkene biosurfactant, there was 10 % (w/w) and 8 % (w/w), degradation in presence of rhamnolipid. To the best of our knowledge, degradation of polystyrene by Glutamicibacter sp. has been reported as a newly identified strain and use of a novel biosurfactant together revealed their potential in biodegradation of plastic to mitigate the plastic pollution using microbial resources.</p>
10aBiodegradation10aFatty alkene biosurfactant10aGlutamicibacter sp.10aPolystyrene10aRhamnolipid10aRhodococcus sp.1 aSakpal, Amrapali1 aHaq, Nazrul1 aDasgupta, Santanu1 aAlanazi, Fars1 aAlsarra, Ibrahim, A.1 aAlam, Mahboob1 aDastager, Syed, G.  uhttps://library.ncl.res.in/content/novel-biosurfactant-assisted-biodegradation-polystyrene-actinomycetes-and-its-chemical