Author

Bella R. Carnahan

University of Delaware

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· 2 Biochemistry· 1

Signature Assays, Organisms & Methods

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Research Focus:cell type annotation· 3 Approach:experimental assay· 2 Approach:biophysical modeling· 1 Organism:C. elegans· 1 Research Focus:cell signaling & trafficking· 1 Research Focus:drug response / drug discovery· 1 Approach:genetic perturbation / CRISPR· 1 Research Focus:host-pathogen & immune response· 1

Frequent Co-Authors

Catherine Leimkuhler GrimesiD· 3 shared Stephen N. HylandiD· 3 shared Aastha Acharya· 1 shared Abigail BoltiD· 1 shared Alex Wang· 1 shared April M. KloxiniD· 1 shared Arit GhoshiD· 1 shared Ashlyn S. Hillman· 1 shared

Activity by Year

2025-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 32 mutual co-author links

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3 shared papersMicrobiology

Catherine Leimkuhler GrimesORCID

Mutual co-authors in cluster

Author profile →

3 papers

Recent·Most cited

Metabolic flexibility and an unusual route for peptidoglycan muramic acid recycling in mycobacteria

Stefanos Stravoravdis, Bella R. Carnahan, Rebecca A. Gordon, Kimberly A. Wodzanowski, Karina Havaleshko, Elisabeth Fils-Aime, Rachel Putnik, Stephen N. Hyland, Catherine Leimkuhler Grimes, M. Sloan Siegrist

This study identifies a novel peptidoglycan recycling pathway in mycobacteria that bypasses typical intermediates, revealing metabolic flexibility in cell wall recycling.

Journal of Biological Chemistry · Sep 18, 2026Peer-reviewedMicrobiology

The Legionella pneumophila peptidoglycan recycling kinase, AmgK, is essential for survival and replication inside host alveolar macrophages

Sushanta Ratna, Lina Pradhan, Marina P. Vasconcelos, Aastha Acharya, Bella R. Carnahan, Alex Wang, Arit Ghosh, Abigail Bolt, Jacob Jacob Ellis, Stephen N. Hyland, Ashlyn S. Hillman, Joseph M. Fox, April M. Kloxin, M. Ramona Neunuebel, Catherine Leimkuhler Grimes

This study shows that AmgK, a peptidoglycan kinase in Legionella pneumophila, is essential for intracellular survival and replication in host macrophages, highlighting its role in pathogenicity and potential as a drug target.

bioRxiv · Mar 21, 2025 · PreprintMicrobiology

Bioorthogonal labeling of chitin in pathogenic Candida species reveals biochemical mechanisms of hyphal growth and homeostasis

Caroline Williams, Bella R. Carnahan, Stephen N. Hyland, Kristen E. DeMeester, Catherine Leimkuhler Grimes

The paper develops a chitin labeling method to study hyphal growth and homeostasis in Candida species, revealing mechanisms of morphological switching and potential antifungal targets.

Journal of the American Chemical Society · Feb 10, 2025Peer-reviewedBiochemistry