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Carotenoid from marine Bacillus infantis: production, extraction, partial characterization, and its biological activity

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Abstract

Marine bacteria could serve as a potential source of natural carotenoids. Bacillus infantis, (Accession number OP601610), a bacterium with the ability to synthesize carotenoids, was isolated from the marine environment and used in this investigation to produce an orange pigment. Additionally, the production, extraction, partial characterization, and biological activity of orange pigment are reported in the current work. The orange pigment was identified as a carotenoid group of pigment by UV–Visible spectrophotometry, FTIR (Fourier-transform infrared spectroscopy), and TLC (Thin-layer chromatography) characterization of the methanolic extract of the pigment. The pigment showed antimicrobial activity against four Gram-negative strains (Pseudomonas aeruginosa, Shigella dysenteriae, Salmonella enterica ser. typhi MTCC 733, and Serratia marcescens MTCC 86), three Gram-positive strains (Bacillus megaterium MTCC 3353, Staphylococcus aureus MTCC 96, and Staphylococcus epidermis MTCC 3382), and antioxidant potential by ABTS [2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid)], DPPH (2,2-diphenyl 1-picrylhydrazyl), H2O2 (hydrogen peroxide), FRAP (Ferric reducing antioxidant power), and phospho-molybdate methods. These findings demonstrate that the carotenoids of the strains under research provide intriguing possibilities for biotechnological applications.

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The present work is not funded by any funding agency.

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JNT—Concept, design, editing, analysis, interpretation, and discussion of results, critical revision in original version drafting, managing resources for work, developing methodologies and approval, final approval of the version to be published. PD—editing, analysis, interpretation, and discussion of results, critical revision in original version drafting, and developing methodologies. NS—Performed all experiments and paper writing.

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Correspondence to Janki N. Thakker.

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Communicated by Yusuf Akhter

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Soni, N., Dhandhukia, P. & Thakker, J.N. Carotenoid from marine Bacillus infantis: production, extraction, partial characterization, and its biological activity. Arch Microbiol 205, 161 (2023). https://doi.org/10.1007/s00203-023-03505-z

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  • DOI: https://doi.org/10.1007/s00203-023-03505-z

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