Cytoplasmic transport: bacteria turn to glass unless kicked

Paul A Janmey¹, Fred C MacKintosh²

Affiliations

¹ Departments of Physiology and Physics & Astronomy, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Physics and Astronomy, Vrije Universiteit, 1081 HV Amsterdam, The Netherlands. Electronic address: janmey@mail.med.upenn.edu.
² Departments of Physiology and Physics & Astronomy, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Physics and Astronomy, Vrije Universiteit, 1081 HV Amsterdam, The Netherlands. Electronic address: fcm@nat.vu.nl.

PMID: 24650906
DOI: 10.1016/j.cub.2014.02.018

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Cytoplasmic transport: bacteria turn to glass unless kicked

Paul A Janmey et al. Curr Biol. 2014.

Free article

. 2014 Mar 17;24(6):R226-8.

doi: 10.1016/j.cub.2014.02.018.

Authors

Paul A Janmey¹, Fred C MacKintosh²

Affiliations

¹ Departments of Physiology and Physics & Astronomy, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Physics and Astronomy, Vrije Universiteit, 1081 HV Amsterdam, The Netherlands. Electronic address: janmey@mail.med.upenn.edu.
² Departments of Physiology and Physics & Astronomy, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Physics and Astronomy, Vrije Universiteit, 1081 HV Amsterdam, The Netherlands. Electronic address: fcm@nat.vu.nl.

PMID: 24650906
DOI: 10.1016/j.cub.2014.02.018

Abstract

Bacteria lack the cytoskeleton and motors of eukaryotic cells, and their cytoplasm has been considered to be purely fluid. New data show that bacterial cytoplasm can solidify to resemble a soft glass, unless enzymatic activity creates motions to fluidize it.

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The bacterial cytoplasm has glass-like properties and is fluidized by metabolic activity.
Parry BR, Surovtsev IV, Cabeen MT, O'Hern CS, Dufresne ER, Jacobs-Wagner C. Parry BR, et al. Cell. 2014 Jan 16;156(1-2):183-94. doi: 10.1016/j.cell.2013.11.028. Epub 2013 Dec 19. Cell. 2014. PMID: 24361104 Free PMC article.

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Cytoplasmic transport: bacteria turn to glass unless kicked

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Cytoplasmic transport: bacteria turn to glass unless kicked

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