Ronen ZAIDEL-BAR
Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel-Aviv University, Israel
Laboratory website
Zaidel-Bar Cell Adhesion Lab
Ge Zhixing
Research Fellow, Lim Group
EASMB Symposium 2025 Showcases Global Participation and Relevance
The East Asian Single-Molecule Biophysics Symposium 2025 (EASMB2025) held from 24 to 26 November at the Ngee Ann Kongsi Auditorium in the Education Resource Centre, UTown, National University of Singapore showcased global participation and relevance.
Ng Inn Chuan
Research Associate, Yu Group
Byun Young Seo Christina
Research Assistant, Tee Group
Super proud of Arikta Biswas, whose work on theca cell mechanics and compressive stress is now published in Nature Communications!
A huge thanks to our collaborators and reviewers for offering their invaluable feedback as well! Read the article here.
The Pressure That Shapes Life: Mechanical Forces Behind Egg Maturation
Researchers from the Chan Lab at MBI demonstrate the importance of compressive stress exhibited by theca cells in healthy follicle maturation and surrounding support cells, suggesting a new perspective in understanding infertility.
Ronen Zaidel-Bar
Visiting Faculty
Currently Visting
6-12 Nov 2018
Office: T-Lab, Level 5
Research Areas
Cell-cell and cell-matrix adhesion, Regulation of actomyosin contractility and dynamics, C. elegans development, mechanics and molecular mechanisms of morphogenesis
Research Interests
- How do specific cytoskeletal proteins contribute to the organization and function of cell adhesion and actomyosin structures?
- How are signals processed within the “adhesome” and “contractome” to arrive at the appropriate cytoskeletal arrangement for a given cell state?
- How do adhesion sites and the cytoskeleton sense and respond to external mechanical forces?
Biography
Dr Zaidel-Bar obtained his Ph.D. working with Prof Benny Geiger (Weizmann Institute of Science) on the role of force in regulating cell-matrix adhesions. Their work first focused on single proteins and evolved to encompass the entire adhesome network. In his Postdoctoral training with Prof Jeff Hardin (University of Wisconsin – Madison) Dr Zaidel-Bar switched from studying cells in culture to employing the genetic model organism C. elegans for the study of cell-cell adhesions during development. Dr Zaidel-Bar was attracted to Singapore by the opening of MBI and was awarded the Singapore National Research Foundation Fellowship for promising young investigators.
Education
PhD Weizmann Institute of Science
Recent Publications
- Bertocchi C, Alegría JJ, Vásquez-Sepúlveda S, Ibanez-Prat R, Srinivasan A, Arrano-Valenzuela I, Castro-Pereira B, Soto-Montandon C, Trujillo-Espergel A, Montenegro-Rojas I, Deguchi S, Owen GI, Kanchanawong P, Cerda M, Motta G, Zaidel-Bar R, and Ravasio A. Systematic AI-assisted screening of the cadhesome to map epithelial monolayer mechanics. Cell Commun Signal 2026;. [PMID: 42399739]
- Ray S, Agarwal P, Nitzan A, Nédélec F, and Zaidel-Bar R. Actin capping protein regulates actomyosin contractility to maintain germline architecture in C. elegans. Development 2023;. [PMID: 36897576]
- Avivi Kela S, Sethi K, Tan PY, Suresh D, Ong HT, Castaneda PG, Amin MR, Laviv T, Cram EJ, Faix J, and Zaidel-Bar R. Tension-dependent RHGF-1 recruitment to stress fibers drives robust spermathecal tissue contraction. J Cell Biol 2022; 222(2). [PMID: 36574264]
- Chen Z, Oh D, Biswas KH, Zaidel-Bar R, and Groves JT. Probing the effect of clustering on EphA2 receptor signaling efficiency by subcellular control of ligand-receptor mobility. Elife 2021; 10. [PMID: 34414885]
- Hu S, Grobe H, Guo Z, Wang Y, Doss BL, Pan M, Ladoux B, Bershadsky AD, and Zaidel-Bar R. Reciprocal regulation of actomyosin organization and contractility in non-muscle cells by tropomyosins and alpha-actinins. Mol. Biol. Cell 2019;:mbcE19020082. [PMID: 31216217]
- Desai SK, Padmanabhan A, Harshe S, Zaidel-Bar R, and Kenney LJ. Salmonella biofilms program innate immunity for persistence in Caenorhabditis elegans. Proc. Natl. Acad. Sci. U.S.A. 2019;. [PMID: 31160462]
- Bouffard J, Cecchetelli AD, Clifford C, Sethi K, Zaidel-Bar R, and Cram EJ. The RhoGAP SPV-1 regulates calcium signaling to control the contractility of the C. elegans spermatheca during embryo transits. Mol. Biol. Cell 2019;:mbcE18100633. [PMID: 30726159]
- Priti A, Ong HT, Toyama Y, Padmanabhan A, Dasgupta S, Krajnc M, and Zaidel-Bar R. Syncytial germline architecture is actively maintained by contraction of an internal actomyosin corset. Nat Commun 2018; 9(1):4694. [PMID: 30410005]
- Agarwal P, and Zaidel-Bar R. Principles of Actomyosin Regulation In Vivo. Trends Cell Biol. 2018;. [PMID: 30385150]
- Chen Z, Oh D, Biswas KH, Yu C, Zaidel-Bar R, and Groves JT. Spatially modulated ephrinA1:EphA2 signaling increases local contractility and global focal adhesion dynamics to promote cell motility. Proc. Natl. Acad. Sci. U.S.A. 2018;. [PMID: 29866846]
Lab Members
QUAN Cheng
PhD Student, Class of August 2025, Li Group
CHEAM Mei Shan
PhD Student, Class of August 2025, Toyama Group
Thanks to Christiani Amorim at UC Louvain, for the kind invitation
Looking forward to new collaborations in the future!
Congratulations to Wee Juin Shin for being selected to present his work at the Amgen Scholars Asia Symposium!
Our Amgen scholar, Wee Juin Shin, has been selected to present his work on ‘the Influence of substrate curvature on theca cell nematic flow’, at the Amgen Scholar Asia Symposium in Kyoto!
Geetika Chouhan
Research Fellow, Dye Group
Seeking Research Assistant for project with MBI Fellow Dr. Tee Yee Han at the Mechanobiology Institute, NUS
The Mechanobiology Institute, NUS seeks to recruit a Research Assistant to work with MBI Fellow Dr. Tee Yee Han.
Seeking Research Fellow in the group of Prof. Alexander Bershadsky at the Mechanobiology Institute, NUS
The Mechanobiology Institute, NUS seeks to recruit a Research Fellow in the group of Prof. Alexander Bershadsky at the MBI, NUS.
Vaishnavi Rangaraj
Research Assistant, Holle Group
Liu Haoqiu
Research Fellow, Michelot Group
Seeking Postdoctoral Research Fellow for collaborative project between Dr. Yin Loon Lee and Prof. Alexander Bershadsky at the Mechanobiology Institute, NUS
The Mechanobiology Institute, NUS seeks to recruit a Postdoctoral Research Fellow for a collaborative project between Dr. Yin Loon Lee (A*STAR) and Prof. Alexander Bershadsky.
Seeking Postdoctoral Research Fellow in the group of Asst. Prof. Jennifer Young at the Mechanobiology Institute, NUS
The Mechanobiology Institute, NUS seeks to recruit a Postdoctoral Research Fellow to Asst. Prof. Jennifer Young's lab.
Super excited about the arrival of our optical coherence microscopy! Stay tuned for exciting data in the near future…
A huge thanks to Ling Wang from the Prevedel lab (EMBL Heidelberg) for helping us to set up this device!
