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A bigger picture: classical cadherins and the dynamic actin cytoskeleton.
Ratheesh A, Yap AS. Ratheesh A, et al. Nat Rev Mol Cell Biol. 2012 Oct;13(10):673-9. doi: 10.1038/nrm3431. Epub 2012 Aug 30. Nat Rev Mol Cell Biol. 2012. PMID: 22931853 Review.
A WAVE2-Arp2/3 actin nucleator apparatus supports junctional tension at the epithelial zonula adherens.
Verma S, Han SP, Michael M, Gomez GA, Yang Z, Teasdale RD, Ratheesh A, Kovacs EM, Ali RG, Yap AS. Verma S, et al. Mol Biol Cell. 2012 Dec;23(23):4601-10. doi: 10.1091/mbc.E12-08-0574. Epub 2012 Oct 10. Mol Biol Cell. 2012. PMID: 23051739 Free PMC article.
The epithelial zonula adherens (ZA) is a specialized adhesive junction where actin dynamics and myosin-driven contractility coincide. ...We demonstrate that WAVE2-Arp2/3 is a major nucleator of actin assembly at the ZA and likely acts in response to junctional Rac s …
The epithelial zonula adherens (ZA) is a specialized adhesive junction where actin dynamics and myosin-driven contractility coincide. …
Centralspindlin and α-catenin regulate Rho signalling at the epithelial zonula adherens.
Ratheesh A, Gomez GA, Priya R, Verma S, Kovacs EM, Jiang K, Brown NH, Akhmanova A, Stehbens SJ, Yap AS. Ratheesh A, et al. Nat Cell Biol. 2012 Aug;14(8):818-828. doi: 10.1038/ncb2532. Epub 2012 Jul 1. Nat Cell Biol. 2012. PMID: 22750944 Free PMC article.
We now report a molecular pathway that achieves exactly this coordination at the epithelial zonula adherens. We identify an extramitotic activity of the centralspindlin complex, better understood as a cytokinetic regulator, which localizes to the interphase zonula a …
We now report a molecular pathway that achieves exactly this coordination at the epithelial zonula adherens. We identify an extramito …
N-WASP regulates the epithelial junctional actin cytoskeleton through a non-canonical post-nucleation pathway.
Kovacs EM, Verma S, Ali RG, Ratheesh A, Hamilton NA, Akhmanova A, Yap AS. Kovacs EM, et al. Nat Cell Biol. 2011 Jul 24;13(8):934-43. doi: 10.1038/ncb2290. Nat Cell Biol. 2011. PMID: 21785420
N-WASP is a major cytoskeletal regulator that stimulates Arp2/3-mediated actin nucleation. Here, we identify a nucleation-independent pathway by which N-WASP regulates the cytoskeleton and junctional integrity at the epithelial zonula adherens. ...A major phy …
N-WASP is a major cytoskeletal regulator that stimulates Arp2/3-mediated actin nucleation. Here, we identify a nucleation-inde …
Doing cell biology in embryos: regulated membrane traffic and its implications for cadherin biology.
Ratheesh A, Yap AS. Ratheesh A, et al. F1000 Biol Rep. 2010 Apr 27;2:30. doi: 10.3410/B2-30. F1000 Biol Rep. 2010. PMID: 20948802 Free PMC article.
Regulated trafficking of cadherin adhesion molecules is often invoked as a mechanism to generate dynamic adhesive cell-cell contacts for tissue modeling and morphogenesis. ...
Regulated trafficking of cadherin adhesion molecules is often invoked as a mechanism to generate dynamic adhesive cell-cell contacts …
Drosophila TNF Modulates Tissue Tension in the Embryo to Facilitate Macrophage Invasive Migration.
Ratheesh A, Biebl J, Vesela J, Smutny M, Papusheva E, Krens SFG, Kaufmann W, Gyoergy A, Casano AM, Siekhaus DE. Ratheesh A, et al. Dev Cell. 2018 May 7;45(3):331-346.e7. doi: 10.1016/j.devcel.2018.04.002. Dev Cell. 2018. PMID: 29738712
Eiger-Grindelwald signaling reduces levels of active Myosin in the germband ectodermal cortex through the localization of a Crumbs complex component, Patj (Pals-1-associated tight junction protein). We therefore elucidate a distinct molecular pathway that controls t …
Eiger-Grindelwald signaling reduces levels of active Myosin in the germband ectodermal cortex through the localization of a Crumbs co …
A conserved major facilitator superfamily member orchestrates a subset of O-glycosylation to aid macrophage tissue invasion.
Valoskova K, Biebl J, Roblek M, Emtenani S, Gyoergy A, Misova M, Ratheesh A, Reis-Rodrigues P, Shkarina K, Larsen ISB, Vakhrushev SY, Clausen H, Siekhaus DE. Valoskova K, et al. Elife. 2019 Mar 26;8:e41801. doi: 10.7554/eLife.41801. Elife. 2019. PMID: 30910009 Free PMC article.
Aberrant display of the truncated core1 O-glycan T-antigen is a common feature of human cancer cells that correlates with metastasis. ...We thus identify a key conserved regulator that orchestrates O-glycosylation on a protein subset to activate a prog …
Aberrant display of the truncated core1 O-glycan T-antigen is a common feature of human cancer cells that correlates with metastasis. …
Tools Allowing Independent Visualization and Genetic Manipulation of Drosophila melanogaster Macrophages and Surrounding Tissues.
Gyoergy A, Roblek M, Ratheesh A, Valoskova K, Belyaeva V, Wachner S, Matsubayashi Y, Sánchez-Sánchez BJ, Stramer B, Siekhaus DE. Gyoergy A, et al. G3 (Bethesda). 2018 Mar 2;8(3):845-857. doi: 10.1534/g3.117.300452. G3 (Bethesda). 2018. PMID: 29321168 Free PMC article.
Given the relative ease of genetics in Drosophila compared to vertebrates, tools permitting visualization and genetic manipulation of plasmatocytes and surrounding tissues independently at all stages would greatly aid a fuller understanding of these processes, but are lack …
Given the relative ease of genetics in Drosophila compared to vertebrates, tools permitting visualization and genetic manipulation of plasma …
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