Abstract
This work compares two bacterial isolates Streptomyces barkulensis RC1831 and Streptomyces chitinovorans RC1832 isolated from Chilika Lake sediments in Odisha, India, using whole-genome sequence analysis. According to the results of the genome analysis, the RC1831 genome has a chromosome with 6,383,258 bp (72.9% GC) and 6145 coding sequences and 66 RNA, while the RC1832 genome has a chromosome with 6,055,792 bp (73.1% GC) and 5824 coding sequences and 63 RNA. Further analysis of the carbohydrate active enzyme (CAZyme) revealed that RC1831 contains 78 glycoside hydrolase family genes, whereas RC1832 includes 50 glycoside hydrolases that have the potential to regulate the chitin-degrading enzymes. KAAS (KEGG Automatic Annotation Server) and AntiSMASH online tool V3.0.5 were used to identify a biosynthetic gene cluster in the isolated strain's genome. The detailed comparative analysis of the genes between the strains will help to gain better insight of chitin and other carbohydrate polymer degradation and secondary metabolite production in both the strains as well as the evolutionary relationship and possibilities of industrial application of these strains. Chitosan production might be explained by genes for the chitin breakdown pathway found in the genome sequence, but genes for later-stage conversion were not found. One significant biomolecule with a wide range of industrial uses is chitosan. Therefore, using these microbes to produce chitosan offers a viable waste disposal solution.
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Data Availability
The data about the strain RC1831 is publicly available at https://doi.org/10.1099/ijs.0.056614-0 and for RC1832 it is https://doi.org/10.1099/ijsem.0.001176.
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LR, HTB, and SN: conceptualization, methodology. SN, LR, HTB, SSB, SKG: data curation, writing, original draft preparation, visualization, investigation. SN, SSB, LR: writing. LR: reviewing and editing.
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Nivedita, S., Behera, S.S., Behera, H.T. et al. Comparative genome-wide analysis of novel Streptomyces isolates RC1831 and RC1832: deciphering the role of functional carbohydrate (CAZy) active genes including chitinase for production of chitosan. 3 Biotech 14, 114 (2024). https://doi.org/10.1007/s13205-024-03936-5
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DOI: https://doi.org/10.1007/s13205-024-03936-5