title: Cytoplasmic transport: bacteria turn to glass unless kicked.
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.
authors.affiliation: 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.
authors.forename: Paul A
authors.initials: PA
authors.lastname: Janmey
authors.affiliation: 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.
authors.forename: Fred C
authors.initials: FC
authors.lastname: MacKintosh
mesh_terms: D016935:Caulobacter crescentus / Q000166:cytology* / Q000378:metabolism*; D004926:Escherichia coli / Q000166:cytology*