Bacterial chromatics: exploring pigments and their practical applications
DOI:
https://doi.org/10.48047/tnna8s02Keywords:
bacterial pigments, biocolors, eco-friendly, industrial application, pigmented bacteria, therapeutic applicationAbstract
Background
Bacterial pigment production is a distinctive trait that can aid in bacterial identification and classification. These pigments not only contribute to the bacteria's visual appearance but also play vital roles in survival under extreme environmental conditions by acting as protective agents. Pigmented bacteria have found growing interest due to their potential applications in clinical diagnostics, biotechnology, and sustainable industries such as natural dye production and biomedical imaging.
Methods
Pigment-producing bacterial isolates including micrococcus luteus and microbacterium oleivorans were isolated and cultured under controlled laboratory conditions. Morphological characteristics were observed, followed by biochemical tests to determine metabolic and enzymatic properties. Pigment extraction was carried out using standard solvent extraction protocols, and the pigments were subjected to spectrophotometric analysis. The antibacterial and antioxidant properties of the pigments were also evaluated using agar well diffusion and dpph radical scavenging assays, respectively.
Results
The isolates exhibited distinct yellow and orange pigmentation under optimal growth conditions. Biochemical profiling confirmed the presence of catalase, oxidase, and amylase activities in the tested strains. Spectral analysis revealed pigments with absorbance peaks corresponding to carotenoid-like compounds. The extracted pigments showed moderate antibacterial activity against staphylococcus aureus and escherichia coli, and notable antioxidant potential, suggesting their application in pharmaceutical and nutraceutical industries.
Conclusion
Pigmented bacteria such as micrococcus luteus and microbacterium oleivorans demonstrate valuable biochemical and functional properties. Their pigments not only support bacterial survival but also present promising avenues for use in natural dyes, biomedical tools, and therapeutic agents. Further research into purification and structural analysis of these pigments could unlock novel applications in biotechnology and medicine.
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References
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