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Grant J. Jensen
Researcher at California Institute of Technology
Publications - 272
Citations - 15187
Grant J. Jensen is an academic researcher from California Institute of Technology. The author has contributed to research in topics: Cytoskeleton & Periplasmic space. The author has an hindex of 66, co-authored 248 publications receiving 12857 citations. Previous affiliations of Grant J. Jensen include Howard Hughes Medical Institute & Los Alamos National Laboratory.
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Journal ArticleDOI
Magnetosomes Are Cell Membrane Invaginations Organized by the Actin-Like Protein MamK
TL;DR: Using electron cryotomography, it seems that prokaryotes can use cytoskeletal filaments to position organelles within the cell.
Journal ArticleDOI
Type VI secretion requires a dynamic contractile phage tail-like structure
TL;DR: Time-lapse fluorescence light microscopy and whole-cell electron cryotomography data support a model in which the contraction of the type VI secretion system sheath provides the energy needed to translocate proteins out of effector cells and into adjacent target cells.
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The structure of FtsZ filaments in vivo suggests a force-generating role in cell division.
TL;DR: In this paper, electron cryotomographic reconstructions of dividing Caulobacter crescentus cells where individual arc-like filaments were resolved just underneath the inner membrane at constriction sites were reported.
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Architecture of the type IVa pilus machine.
Yi-Wei Chang,Yi-Wei Chang,Lee A. Rettberg,Anke Treuner-Lange,Janet Iwasa,Lotte Søgaard-Andersen,Grant J. Jensen,Grant J. Jensen +7 more
TL;DR: Putting the known structures of the individual proteins in place like pieces of a three-dimensional puzzle revealed insights into how the T4PM machine works, including evidence that ATP hydrolysis by cytoplasmic motors rotates a membrane-embedded adaptor that slips pilin subunits back and forth from the membrane onto the pilus.
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Universal architecture of bacterial chemoreceptor arrays
Ariane Briegel,Davi R. Ortega,Elitza I. Tocheva,Kristin Wuichet,Zhuo Li,Songye Chen,Axel Müller,Cristina V. Iancu,Gavin E. Murphy,Megan J. Dobro,Igor B. Zhulin,Grant J. Jensen +11 more
TL;DR: This work shows that chemoreceptors of different classes and in many different species representing several major bacterial phyla are all arranged into a highly conserved, 12-nm hexagonal array consistent with the proposed “trimer of dimers” organization.