Author

Varsha Vijayakumar

Indian Institute of Technology MadrasORCID 0009-0000-1184-7862Unclaimed ORCID profile · follow to get notified of new preprints

Additional preprints under this name without ORCID

Varsha Vijayakumar1 paper · Cancer Institute (WIA)

Biology Disciplines

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Signature Assays, Organisms & Methods

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Approach:statistical model· 2 Research Focus:database / resource· 1 Research Focus:gene regulatory network inference· 1 Organism:human· 1 Assay:metagenomics· 1 Research Focus:variant calling· 1 Assay:whole-genome sequencing· 1

Frequent Co-Authors

Karthik RamaniD· 2 shared Nitin Kumar SinghiD· 2 shared Pratyay SenguptaiD· 2 shared Alexandre Soares RosadoiD· 1 shared Andy O’ConnoriD· 1 shared Aneta KovářováiD· 1 shared Anna TumeoiD· 1 shared Brigid HoobaniD· 1 shared

Activity by Year

2026-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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2 shared papersGenomics

Karthik RamanORCID

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2 papers

Recent·Most cited

GenomicsMicrobiology SpectrumPeer-reviewedMay 7, 2026

Unveiling Hidden Microbial Diversity in Mars 2020 Mission Assembly Cleanrooms with Molecular Insights into the Persistent and Perseverance of Novel Species Defying Metagenome Sequencing

Shobhan Karthick Muthamilselvi Sivabalan, Varsha Vijayakumar, Pratyay Sengupta…·Kasthuri Venkateswaran

The paper identifies 182 bacterial strains, including 14 novel Gram-positive species, in NASA Mars 2020 cleanrooms, highlighting their biotechnological potential despite being undetected by metagenomic sequencing.

2 citations

metagenomicsstatistical model

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GenomicsMicrobiology SpectrumPeer-reviewedMar 23, 2026

Plasmidome, resistome, and virulence-associated genes characterization of Acinetobacter johnsonii in NASA cleanrooms and a clinical setting.

Anna Tumeo, Georgios Miliotis, Andy O’Connor…·Kasthuri J. Venkateswaran

This study characterizes the plasmidome, resistome, and virulence genes of Acinetobacter johnsonii from NASA cleanrooms and a clinical setting, revealing adaptability traits and antimicrobial resistance.

DOI 10.1128/spectrum.02503-25

humanwhole-genome sequencing

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