期刊
GENOMICS
卷 114, 期 6, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ygeno.2022.110524
关键词
Bay of Bengal (BoB); Deep-sea sediment; Shotgun metagenome; Bacterial diversity; Metabolic potential; Bioremediation genes; Antibiotic resistance genes
资金
- Department of Biotechnology, Ministry of Science and Technology, New Delhi
- [BT/RLF/Re-entry/56/2012]
This study describes the microbial diversity and metabolic potentials of Bay of Bengal deep-sea sediment samples. Bacteria belonging to phylum Proteobacteria were found to be predominantly represented in the sediment samples, and depth was identified as a crucial factor determining taxonomic diversity. Furthermore, the Bay of Bengal represents a highly diverse environmental niche with potential abilities for environmental remediation.
Bay of Bengal (BoB) has immense significance with respect to ecological diversity and natural resources. Studies on microbial profiling and their functional significance at sediment level of BoB remain poorly represented. Herein, we describe the microbial diversity and metabolic potentials of BOB deep-sea sediment samples by subjecting the metagenomes to Nanopore sequencing. Taxonomic diversity ascertained at various levels revealed that bacteria belonging to phylum Proteobacteria predominantly represented in sediment samples NIOT_S7 and NIOT_S9. A comparative study with 16S datasets from similar ecological sites revealed depth as a crucial factor in determining taxonomic diversity. KEGG annotation indicated that bacterial communities possess sequence reads corresponding to carbon dioxide fixation, sulfur, nitrogen metabolism, but at varying levels. Additionally, gene sequences related to bioremediation of dyes, plastics, hydrocarbon, antibiotic resistance, secondary metabolite synthesis and metal resistance from both the samples as studied indicate BoB to represent a highly diverse environmental niche for further exploration.
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