Articles | Volume 18, issue 18
https://doi.org/10.5194/bg-18-5203-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-18-5203-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
23 Sep 2021
Research article |
| 23 Sep 2021
| 23 Sep 2021
Sedimentation rate and organic matter dynamics shape microbiomes across a continental margin
Sabyasachi Bhattacharya
Department of Microbiology, Bose Institute, P-1/12 CIT Scheme VIIM,
Kolkata – 700054, West Bengal, India
Tarunendu Mapder
Department of Chemistry, Bose Institute, 93/1 APC Road, Kolkata –
700009, India
present address: Division of Clinical Pharmacology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
Svetlana Fernandes
Gas Hydrate Research Group, Geological Oceanography, CSIR National
Institute of Oceanography, Dona Paula, Goa – 403004, India
Chayan Roy
Department of Microbiology, Bose Institute, P-1/12 CIT Scheme VIIM,
Kolkata – 700054, West Bengal, India
Jagannath Sarkar
Department of Microbiology, Bose Institute, P-1/12 CIT Scheme VIIM,
Kolkata – 700054, West Bengal, India
Moidu Jameela Rameez
Department of Microbiology, Bose Institute, P-1/12 CIT Scheme VIIM,
Kolkata – 700054, West Bengal, India
Subhrangshu Mandal
Department of Microbiology, Bose Institute, P-1/12 CIT Scheme VIIM,
Kolkata – 700054, West Bengal, India
Abhijit Sar
Department of Botany, Institute of Science, Visva-Bharati,
Santiniketan, West Bengal – 731235, India
Amit Kumar Chakraborty
Department of Environmental studies, Institute of Science,
Visva-Bharati, Santiniketan, West Bengal – 731235, India
Nibendu Mondal
Department of Microbiology, Bose Institute, P-1/12 CIT Scheme VIIM,
Kolkata – 700054, West Bengal, India
Sumit Chatterjee
Department of Microbiology, Bose Institute, P-1/12 CIT Scheme VIIM,
Kolkata – 700054, West Bengal, India
Bomba Dam
Department of Botany, Institute of Science, Visva-Bharati,
Santiniketan, West Bengal – 731235, India
Aditya Peketi
Gas Hydrate Research Group, Geological Oceanography, CSIR National
Institute of Oceanography, Dona Paula, Goa – 403004, India
Ranadhir Chakraborty
Department of Biotechnology, University of North Bengal, Siliguri,
West Bengal 734013, India
Aninda Mazumdar
CORRESPONDING AUTHOR
Gas Hydrate Research Group, Geological Oceanography, CSIR National
Institute of Oceanography, Dona Paula, Goa – 403004, India
Department of Microbiology, Bose Institute, P-1/12 CIT Scheme VIIM,
Kolkata – 700054, West Bengal, India
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Cited
7 citations as recorded by crossref.
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- Variations in the bacterial and fungal community structure along the hypoxic gradient of the Arabian Sea oxygen-depleted environment based on eDNA metabarcoding analysis V. Phartade et al. 10.1515/bot-2024-0054
- Short-term sedimentary evidence for increasing diatoms in Arctic fjords in a warming world F. Fang et al. 10.1016/j.scitotenv.2024.175757
- Response mechanism of microbial community to seasonal hypoxia in marine ranching L. Wang et al. 10.1016/j.scitotenv.2021.152387
- Extremely oligotrophic and complex-carbon-degrading microaerobic bacteria from Arabian Sea oxygen minimum zone sediments J. Sarkar et al. 10.1007/s00203-024-03875-y
- The roles of benthic diversity and environmental factors in nutrient and macrofaunal dynamics within the oxygen minimum zone of the British Columbia continental slope A. Ciraolo et al. 10.1016/j.dsr.2025.104530
- Bacterial Dynamics in the Northern Indian Ocean Region: Understanding from the Pre-genomics to Present-Day OMICS Era A. Parab & C. Manohar 10.1080/01490451.2024.2437462
7 citations as recorded by crossref.
- Benthic methane fluxes and oxidation over the Western Indian Shelf: No evidence of pelagic methanotrophic denitrification A. Pratihary et al. 10.1016/j.marenvres.2024.106922
- Variations in the bacterial and fungal community structure along the hypoxic gradient of the Arabian Sea oxygen-depleted environment based on eDNA metabarcoding analysis V. Phartade et al. 10.1515/bot-2024-0054
- Short-term sedimentary evidence for increasing diatoms in Arctic fjords in a warming world F. Fang et al. 10.1016/j.scitotenv.2024.175757
- Response mechanism of microbial community to seasonal hypoxia in marine ranching L. Wang et al. 10.1016/j.scitotenv.2021.152387
- Extremely oligotrophic and complex-carbon-degrading microaerobic bacteria from Arabian Sea oxygen minimum zone sediments J. Sarkar et al. 10.1007/s00203-024-03875-y
- The roles of benthic diversity and environmental factors in nutrient and macrofaunal dynamics within the oxygen minimum zone of the British Columbia continental slope A. Ciraolo et al. 10.1016/j.dsr.2025.104530
- Bacterial Dynamics in the Northern Indian Ocean Region: Understanding from the Pre-genomics to Present-Day OMICS Era A. Parab & C. Manohar 10.1080/01490451.2024.2437462
Latest update: 30 Jun 2025
Short summary
Physicochemical determinants of microbiome architecture across continental shelves–slopes are unknown, so we explored the geomicrobiology along 3 m sediment horizons of seasonal (shallow coastal) and perennial (deep sea) hypoxic zones of the Arabian Sea. Nature, concentration, and fate of the organic matter delivered to the sea floor were found to shape the microbiome across the western Indian margin, under direct–indirect influence of sedimentation rate and water column O2 level.
Physicochemical determinants of microbiome architecture across continental shelves–slopes are...
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