Author

J. Sarkar

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Microbiology· 8 Cancer Biology· 2

Signature Assays, Organisms & Methods

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Approach:experimental assay· 9 Research Focus:cell type annotation· 4 Assay:metagenomics· 4 Research Focus:differential expression· 3 Organism:bacteria (other)· 2 Assay:bulk RNA-seq· 2 Research Focus:chromatin & epigenetic regulation· 2 Organism:human· 2

Frequent Co-Authors

S. Bhattacharya· 7 shared W. Ghosh· 7 shared M. J. Rameez· 5 shared N. Mondal· 5 shared S. Mandal· 5 shared A. Mazumdar· 4 shared A. Peketi· 4 shared C. Roy· 4 shared

Activity by Year

2019-2024 · peak 4/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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7 shared papersMicrobiology

S. Bhattacharya

Mutual co-authors in cluster

Author profile →

10 papers

Recent·Most cited

Co-existence of plasmid-mediated blaNDM-1 and blaNDM-5 in Escherichia coli sequence type 167 and ST101 and their discrimination through restriction digestion

A. Bhattacharjee, P. Basak, S. Mitra, J. Sarkar, S. Dutta, S. Basu

This study identifies and characterizes co-existing blaNDM-1 and blaNDM-5 variants in E. coli isolates using Sanger sequencing and hybrid assembly, and develops a restriction digestion method to distinguish them.

bioRxiv · Apr 15, 2024 · PreprintMicrobiology

Extremely oligotrophic and complex carbon degrading microaerobic bacteria from Arabian Sea oxygen minimum zone sediments

J. Sarkar, M. Mondal, S. Bhattacharya, S. Dutta, S. Chatterjee, N. Mondal, S. N, A. Peketi, A. Mazumdar, W. Ghosh

The paper isolates and characterizes aerobic bacteria from Arabian Sea sediments, showing their ability to degrade complex organic matter under low oxygen conditions and maintain populations in oligotrophic environments.

Archives of Microbiology · Mar 18, 2024Peer-reviewedMicrobiology

PERK arm of UPR selectively regulates ferroptosis in colon cancer cells by modulating the expression of SLC7A11 (System Xc-)

K. K. Saini, P. Chaturvedi, A. Sinha, M. P. Singh, M. A. Khan, A. Verma, M. A. Nengroo, S. R. Satrusal, S. Meena, A. Singh, S. Srivastava, J. Sarkar, D. Datta

This study shows that PERK inhibition reduces SLC7A11 expression and sensitizes colon cancer cells to ferroptosis, suggesting PERK inhibitors as potential therapeutics.

bioRxiv · Mar 28, 2023 · PreprintCancer Biology

Thermal endurance by a hot-spring-dwelling phylogenetic relative of the mesophilic Paracoccus

N. Mondal, C. Roy, S. Chatterjee, J. Sarkar, S. Dutta, S. Bhattacharya, R. Chakraborty, W. Ghosh

This study identifies a thermophilic strain SMMA_5, a phylogenetic relative of Paracoccus, capable of surviving high temperatures and shows how thermal conditioning and environmental solutes enhance its thermal endurance.

bioRxiv · May 8, 2022Microbiology

Sedimentation rate and organic matter dynamics shape microbiomes across a continental margin

S. Bhattacharya, T. Mapder, S. Fernandes, C. Roy, J. Sarkar, M. J. Rameez, S. Mandal, A. Sar, A. K. Chakraborty, N. Mondal, B. Dam, A. Peketi, R. Chakraborty, A. Mazumdar, W. Ghosh

The paper examines how sedimentation rates and organic matter dynamics influence microbiome structure and function in different oxygen minimum zones along the Arabian Sea margin.

bioRxiv · Oct 3, 2020Microbiology

Salinomycin inhibits epigenetic modulator EZH2 to enhance Death Receptors in Colon Cancer Stem Cells

A. K. Singh, A. Verma, A. Singh, R. K. Arya, S. Maheshwari, P. Chaturvedi, M. A. Nengroo, K. K. Saini, A. L. Vishwakarma, K. Singh, J. Sarkar, D. Datta

This study shows salinomycin inhibits EZH2 in colon CSCs, enhancing DR4/DR5 expression and reducing CSC traits, suggesting a therapeutic strategy combining TRAIL and EZH2 inhibitors.

bioRxiv · Feb 3, 2020Cancer Biology

Metabolically-active obligate aerobes in anoxic (sulfidic) marine sediments

S. Bhattacharya, C. Roy, S. Mandal, M. J. Rameez, J. Sarkar, S. Fernandes, T. Mapder, M. Alam, R. Roy, N. Mondal, P. Pyne, P. K. Haldar, A. Peketi, R. Chakraborty, A. Mazumdar, W. Ghosh

The paper identifies metabolically-active obligate aerobes in anoxic marine sediments by combining culture-dependent and -independent methods, revealing their survival through cryptic oxygen production.

bioRxiv · Aug 7, 2019 · PreprintMicrobiology

Molecular mechanism of sulfur chemolithotrophy in the betaproteobacterium Pusillimonas ginsengisoli

S. Mandal, M. J. Rameez, P. Pyne, S. Bhattacharya, J. Sarkar, W. Ghosh

This study identifies the molecular mechanism of thiosulfate oxidation in Pusillimonas ginsengisoli, revealing a unique pathway involving tetrathionate and glutathione.

bioRxiv · Jul 23, 2019Microbiology

Cryptic role of tetrathionate in the sulfur cycle: A study from Arabian Sea oxygen minimum zone sediments

S. Mandal, S. Bhattacharya, C. Roy, M. J. Rameez, J. Sarkar, S. Fernandes, T. Mapder, A. Peketi, A. Mazumdar, W. Ghosh

The paper investigates the role of tetrathionate in the sulfur cycle of Arabian Sea OMZ sediments, revealing its microbial and geochemical sources and transformations.

bioRxiv · Jul 2, 2019Microbiology

Two pathways for thiosulfate oxidation in the alphaproteobacterial chemolithotroph Paracoccus thiocyanatus SST

M. J. Rameez, P. Pyne, S. Mandal, S. Chatterjee, M. Alam, S. Bhattacharya, N. Mondal, J. Sarkar, W. Ghosh

This paper identifies two distinct pathways for thiosulfate oxidation in Paracoccus thiocyanatus SST: a Sox system and a Tetrathionate-Intermediate pathway, with the latter being more efficient for thiosulfate conversion.

bioRxiv · Jun 27, 2019Microbiology