Shivashankar Group

Saradha VENKATACHALAPATHY

PhD Student, Mechanobiology Institute, National University of Singapore

E0018317@u.nus.edu
Level 10 T-Lab
National University of Singapore
5A Engineering Drive 1
Singapore 117411

How do nascent adhesions grow into mature focal adhesions?

How do nascent adhesions grow into mature focal adhesions? Nascent adhesions undergo a transient phase of rapid assembly and disassembly through which a fraction of adhesions survive to evolve into more stable and larger [...]

By Management|Nov 30th, 2023|Categories: MBInfo, Mechanosignaling|Comments Off on How do nascent adhesions grow into mature focal adhesions?

What is the role of Rho GTPases in the regulation of focal adhesion assembly?

What is the role of Rho GTPases in the regulation of focal adhesion assembly? Synergistic integrin-syndecan signaling The rate and extent of focal adhesion formation and maturation are regulated by factors such as synergistic [...]

By Management|Nov 30th, 2023|Categories: MBInfo, Mechanosignaling|Comments Off on What is the role of Rho GTPases in the regulation of focal adhesion assembly?

What is the first step in focal adhesion assembly?

What is the first step in focal adhesion assembly? Focal adhesion formation is initiated upon the binding of adhesion receptors to extracellular matrix (ECM) ligands (e.g. fibronectin, vitronectin, collagen) along the cell periphery usually [...]

By Management|Nov 30th, 2023|Categories: MBInfo, Mechanosignaling|Comments Off on What is the first step in focal adhesion assembly?

How do focal adhesions mature?

How do focal adhesions mature? Adhesions that manage to grow beyond the transient phase further undergo qualitative changes in a phase described as maturation. This transformation of adhesion sites into stress-fiber bound focal adhesions [...]

By Management|Nov 30th, 2023|Categories: MBInfo, Mechanosignaling|Comments Off on How do focal adhesions mature?

How do focal adhesions disassemble?

How do focal adhesions disassemble? Disassembly is critical during cell spreading and forward movement to allow FAs to extend outwards towards the cell periphery [1]. Disassembly of adhesions can take place as a result [...]

By Management|Nov 30th, 2023|Categories: MBInfo, Mechanosignaling|Comments Off on How do focal adhesions disassemble?

How are proteins sequentially recruited to focal adhesion sites?

How are proteins recruited to focal adhesion sites? The chronological order of protein recruitment into focal adhesions leads to the concept of sequential assembly. Accordingly, the exact composition of each elongating adhesions is dependent [...]

By Management|Nov 30th, 2023|Categories: MBInfo, Mechanosignaling|Comments Off on How are proteins sequentially recruited to focal adhesion sites?

Saradha Venkatachalapathy

PhD Student

Principal Investigator

GV Shivashankar

Research Interests

Molecular Mechanisms of Mechanobiology

Recent Publications

  1. Venkatachalapathy S, Sreekumar D, Ratna P, and Shivashankar GV. Actomyosin contractility as a mechanical checkpoint for cell state transitions. Sci Rep 2022; 12(1):16063. [PMID: 36163393]
  2. Venkatachalapathy S, Jokhun DS, Andhari M, and Shivashankar GV. Single cell imaging-based chromatin biomarkers for tumor progression. Sci Rep 2021; 11(1):23041. [PMID: 34845273]
  3. Yang KD, Belyaeva A, Venkatachalapathy S, Damodaran K, Katcoff A, Radhakrishnan A, Shivashankar GV, and Uhler C. Multi-domain translation between single-cell imaging and sequencing data using autoencoders. Nat Commun 2021; 12(1):31. [PMID: 33397893]
  4. Yang KD, Damodaran K, Venkatachalapathy S, Soylemezoglu AC, Shivashankar GV, and Uhler C. Predicting cell lineages using autoencoders and optimal transport. PLoS Comput. Biol. 2020; 16(4):e1007828. [PMID: 32343706]
  5. Venkatachalapathy S, Jokhun DS, and Shivashankar GV. Multivariate analysis reveals activation-primed fibroblast geometric states in engineered 3D tumor microenvironments. Mol. Biol. Cell 2020;:mbcE19080420. [PMID: 32023167]
  6. Damodaran K, Venkatachalapathy S, Alisafaei F, Radhakrishnan AV, Sharma Jokhun D, Shenoy VB, and Shivashankar GV. Compressive force induces reversible chromatin condensation and cell geometry dependent transcriptional response. Mol. Biol. Cell 2018;:mbcE18040256. [PMID: 30256731]
  7. Roy B, Venkatachalapathy S, Ratna P, Wang Y, Jokhun DS, Nagarajan M, and Shivashankar GV. Laterally confined growth of cells induces nuclear reprogramming in the absence of exogenous biochemical factors. Proc. Natl. Acad. Sci. U.S.A. 2018;. [PMID: 29735717]
  8. Belyaeva A, Venkatachalapathy S, Nagarajan M, Shivashankar GV, and Uhler C. Network analysis identifies chromosome intermingling regions as regulatory hotspots for transcription. Proc. Natl. Acad. Sci. U.S.A. 2017;. [PMID: 29229825]
  9. Radhakrishnan AV, Jokhun DS, Venkatachalapathy S, and Shivashankar GV. Nuclear Positioning and Its Translational Dynamics Are Regulated by Cell Geometry. Biophys. J. 2017; 112(9):1920-1928. [PMID: 28494962]
  10. Mitra A, Venkatachalapathy S, Ratna P, Wang Y, Jokhun DS, and Shivashankar GV. Cell geometry dictates TNFα-induced genome response. Proc. Natl. Acad. Sci. U.S.A. 2017;. [PMID: 28461498]
By Management|2021-02-01T14:14:09+08:00May 24th, 2017|Categories: 2016 August Class, Student|Comments Off on Saradha Venkatachalapathy

About the National University of Singapore

About NUSA leading global university centred in Asia, NUS is Singapore's flagship university, offering a global approach to education and research with a focus on Asian perspectives and expertise.

About the Mechanobiology Institute, National University of Singapore

About MBIOne of four Research Centres of Excellence at NUS, MBI is working to identify, measure and describe how the forces for motility and morphogenesis are expressed at the molecular, cellular and tissue level.
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