Genomic and functional features of the biosurfactant producing Bacillus sp. AM13 |
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Authors: | Shraddha Shaligram Shreyas V. Kumbhare Dhiraj P. Dhotre Manohar G. Muddeshwar Atya Kapley Neetha Joseph Hemant P. Purohit Yogesh S. Shouche Shrikant P. Pawar |
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Affiliation: | 1.Department of Biochemistry,Government Medical College,Nagpur,India;2.Microbial Culture Collection, National Centre for Cell Science,Pune,India;3.Environmental Genomics Division,National Environmental Engineering Research Institute, CSIR Nehru Marg,Nagpur,India |
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Abstract: | Genomic studies provide deeper insights into secondary metabolites produced by diverse bacterial communities, residing in various environmental niches. This study aims to understand the potential of a biosurfactant producing Bacillus sp. AM13, isolated from soil. An integrated approach of genomic and chemical analysis was employed to characterize the antibacterial lipopeptide produced by the strain AM13. Genome analysis revealed that strain AM13 harbors a nonribosomal peptide synthetase (NRPS) cluster; highly similar with known biosynthetic gene clusters from surfactin family: lichenysin (85 %) and surfactin (78 %). These findings were substantiated with supplementary experiments of oil displacement assay and surface tension measurements, confirming the biosurfactant production. Further investigation using LCMS approach exhibited similarity of the biomolecule with biosurfactants of the surfactin family. Our consolidated effort of functional genomics provided chemical as well as genetic leads for understanding the biochemical characteristics of the bioactive compound. |
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