Author

Tabitha C. Cowell

University of California, DavisORCID 0009-0002-6055-6978Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Microbiology· 3

Signature Assays, Organisms & Methods

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Organism:bacteria (other)· 2 Approach:experimental assay· 2 Research Focus:clustering· 1 Research Focus:host-pathogen & immune response· 1 Approach:matrix factorization· 1 Organism:plant (other)· 1 Assay:proteomics· 1 Approach:statistical model· 1

Frequent Co-Authors

Matthew L. Cope-ArguelloiD· 3 shared Tiffany M. Lowe‐PoweriD· 3 shared Adam Joseph BogdanoveiD· 1 shared Alicia ChaniD· 1 shared APURBA SAHA· 1 shared Caitilyn AlleniD· 1 shared Gi Yoon ShiniD· 1 shared Harishankar ManikantaniD· 1 shared

Activity by Year

2025-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 30 mutual co-author links

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3 shared papersMicrobiology

Matthew L. Cope-ArguelloORCID

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3 papers

Recent·Most cited

MicrobiologyMicrobial GenomicsPeer-reviewedApr 2, 2026

Lifestyle-associated variation in type IV secretion systems between phytopathogenic and environmental Ralstonia

Tabitha C. Cowell, Matthew L. Cope-Arguello, Gi Yoon Shin…·Tiffany M. Lowe‐Power

This study compares T4SS diversity between phytopathogenic and environmental Ralstonia species, finding more T4SS clusters in environmental strains and identifying a specialized cluster in phytopathogens.

1 citation

bacteria (other)proteomics

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MicrobiologyProceedings of the National Academy of SciencesPeer-reviewedJan 22, 2026

The EPS-I exopolysaccharide transforms Ralstonia wilt pathogen biofilms into viscoelastic fluids for rapid dissemination in planta

Matthew L. Cope-Arguello, Jiayu Li, Zachary M. Konkel…·Tiffany M. Lowe‐Power

This study identifies EPS-I as a key factor enabling Ralstonia solanacearum biofilms to exhibit viscoelastic fluid behavior, enhancing pathogen dissemination in planta.

6 citationstop 1%

plant (other)experimental assay

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MicrobiologybioRxivPreprintOct 13, 2025

A protocol for chemical competence in phytopathogenic Ralstonia

Tabitha C. Cowell, Noah R. Guillome, Matthew L. Cope-Arguello…·Tiffany M. Lowe‐Power

The paper presents a chemical competence protocol for transforming Ralstonia solanacearum strains using calcium chloride and heat shocks, showing efficacy for four of five tested strains.

DOI 10.1101/2025.10.13.678364

bacteria (other)experimental assay

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