Author

Markus F. F. Arnold

Massachusetts Institute of TechnologyORCID 0000-0002-1515-3582Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Biochemistry· 1 Microbiology· 1

Signature Assays, Organisms & Methods

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Organism:bacteria (other)· 2 Approach:experimental assay· 2 Assay:proteomics· 2 Research Focus:cell type annotation· 1 Research Focus:host-pathogen & immune response· 1

Frequent Co-Authors

Graham Charles WalkeriD· 2 shared Michael DeutschiD· 2 shared Siva SankariiD· 2 shared Charley C. GruberiD· 1 shared Francisco J Guerra-GarciaiD· 1 shared Kostantinos Beis· 1 shared Vignesh M. P. BabuiD· 1 shared

Activity by Year

2025-2025 · peak 2/yr

Co-Author Collaboration Network

7 top collaborators · 18 mutual co-author links

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2 shared papersMicrobiology

Graham Charles WalkerORCID

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2 papers

Recent·Most cited

MicrobiologyPLoS GeneticsPeer-reviewedDec 11, 2025

Exploiting Peptide Chirality and Transport to Dissect the Complex Mechanism of Action of Host Peptides on Bacteria

Siva Sankari, Markus F. F. Arnold, Vignesh M. P. Babu…·Graham Charles Walker

This study uses stereochemistry and genetics to distinguish the mechanisms of action of NCR247 on bacterial cells, revealing distinct effects in the periplasm and cytoplasm.

2 citations

bacteria (other)proteomics

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BiochemistrybioRxivPreprintSep 17, 2025

The BacA(SbmA) Importer of Symbiotically Important Legume Nodule Cysteine-Rich Peptides: Insights into Protein Architecture, Function, and Evolutionary Implications

Markus F. F. Arnold, Siva Sankari, Michael Deutsch…·Graham Charles Walker

This study investigates the BacA(SbmA) importer in Sinorhizobium meliloti, revealing its role in transporting NCR peptides and explaining why pathogen orthologs can replace BacASm.

DOI 10.1101/2025.09.17.676847

bacteria (other)proteomics

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