Author

Mnar Ghrayeb

Hebrew University of JerusalemORCID 0000-0002-2483-0768Unclaimed 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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Approach:experimental assay· 2 Organism:bacteria (other)· 1 Research Focus:host-pathogen & immune response· 1 Organism:human· 1 Assay:proteomics· 1

Frequent Co-Authors

Liraz ChaiiD· 2 shared Aliza Ashman· 1 shared Amos Fellig· 1 shared Daniel GarneauiD· 1 shared David Dumoulin· 1 shared Eric H. FrostiD· 1 shared Juergen Jopp· 1 shared Luca BertinettiiD· 1 shared

Activity by Year

2026-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 25 mutual co-author links

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2 shared papersBiochemistry

Liraz ChaiORCID

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2 papers

Recent·Most cited

A bacterial extracellular matrix protein forms a supramolecular metallogel

Mnar Ghrayeb, Aliza Ashman, Soham Mukhopadhyay, Amos Fellig, Juergen Jopp, Yael Levi‐Kalisman, Uri Raviv, Luca Bertinetti, Yael Politi, Vasily Zaburdaev, Sharon Ruthstein, Liraz Chai

This study shows that the bacterial protein TasA forms a metallogel with zinc ions, transitioning from fibers to sheets and exhibiting viscoelastic properties.

bioRxiv · Mar 9, 2026 · PreprintBiochemistry

Bi-directional relationship between the biofilm of Porphyromonas gingivalis and the amyloid-beta peptide.

David Dumoulin, Mnar Ghrayeb, Sarah Côté, Daniel Garneau, Liraz Chai, Eric H. Frost, Tamàs Fülöp, Pascale B. Beauregard

This study demonstrates a bidirectional relationship between Porphyromonas gingivalis biofilm and amyloid-beta peptides, showing how they influence each other's formation and aggregation.

Microbiology Spectrum · Jan 16, 2026Peer-reviewedMicrobiology