Olivier Hamant

Summary

Country: France

Publications

  1. doi request reprint The role of mechanical forces in plant morphogenesis
    Vincent Mirabet
    INRA, CNRS, ENS, Universite de Lyon, 46 allee d Italie, 69364 Lyon Cedex 07, France
    Annu Rev Plant Biol 62:365-85. 2011
  2. ncbi request reprint Cell biology: cytoskeleton network topology feeds back on its regulation
    Olivier Hamant
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, UCB Lyon 1, France Laboratoire Joliot Curie, CNRS, ENS Lyon, Universite de Lyon, 46 allee d Italie, 69364 Lyon Cedex 07, France Electronic address
    Curr Biol 23:R963-5. 2013
  3. ncbi request reprint Widespread mechanosensing controls the structure behind the architecture in plants
    Olivier Hamant
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, UCB, Lyon 1, France Laboratoire Joliot Curie, CNRS, ENS Lyon, Universite de Lyon, 46 allee d Italie, Lyon Cedex 07 69364, France Electronic address
    Curr Opin Plant Biol 16:654-60. 2013
  4. doi request reprint Integrative cell biology: katanin at the crossroads
    Olivier Hamant
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, UCB Lyon 1, France
    Curr Biol 23:R206-8. 2013
  5. pmc Quantitative imaging strategies pave the way for testable biological concepts
    Olivier Hamant
    Laboratoire Reproduction et Développement des Plantes Laboratoire Joliot Curie, INRA, CNRS, ENS, Universite de Lyon, 46 allee d Italie, 69364 Lyon Cedex 07, France
    BMC Biol 9:10. 2011
  6. pmc Is cell polarity under mechanical control in plants?
    Olivier Hamant
    INRA, CNRS, ENS, Universite de Lyon, Lyon Cedex, France
    Plant Signal Behav 6:137-9. 2011
  7. doi request reprint The mechanics behind plant development
    Olivier Hamant
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, Universite de Lyon, Lyon Cedex 07, France
    New Phytol 185:369-85. 2010
  8. ncbi request reprint Regulation of shape and patterning in plant development
    Olivier Hamant
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, Universite de Lyon, 46 allee d Italie, Lyon Cedex 07, France
    Curr Opin Genet Dev 20:454-9. 2010
  9. doi request reprint Plant development: a TALE story
    Olivier Hamant
    Laboratoire de Reproduction et Développement des Plantes, Institut National de la Recherche Agronomique, CNRS ENS, Universite de Lyon, 46 allee d Italie, Lyon Cedex 07, France
    C R Biol 333:371-81. 2010
  10. doi request reprint Mechanical stress acts via katanin to amplify differences in growth rate between adjacent cells in Arabidopsis
    Magalie Uyttewaal
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, UCB Lyon 1, 46 allee d Italie, 69364 Lyon Cedex 07, France
    Cell 149:439-51. 2012

Collaborators

Detail Information

Publications22

  1. doi request reprint The role of mechanical forces in plant morphogenesis
    Vincent Mirabet
    INRA, CNRS, ENS, Universite de Lyon, 46 allee d Italie, 69364 Lyon Cedex 07, France
    Annu Rev Plant Biol 62:365-85. 2011
    ..How can growth be translated into a quantified geometrical output? What is the mechanical basis of cell and tissue growth? What is the contribution of mechanical forces in patterning?..
  2. ncbi request reprint Cell biology: cytoskeleton network topology feeds back on its regulation
    Olivier Hamant
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, UCB Lyon 1, France Laboratoire Joliot Curie, CNRS, ENS Lyon, Universite de Lyon, 46 allee d Italie, 69364 Lyon Cedex 07, France Electronic address
    Curr Biol 23:R963-5. 2013
    ..Many cell functions rely on microtubule dynamics and ordering. Two recent studies show that microtubule severing by katanin plays an overbearing role in this process and is primarily regulated at microtubule crossovers...
  3. ncbi request reprint Widespread mechanosensing controls the structure behind the architecture in plants
    Olivier Hamant
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, UCB, Lyon 1, France Laboratoire Joliot Curie, CNRS, ENS Lyon, Universite de Lyon, 46 allee d Italie, Lyon Cedex 07 69364, France Electronic address
    Curr Opin Plant Biol 16:654-60. 2013
    ..Incidentally, this also illustrates how conceptually rich this field is. ..
  4. doi request reprint Integrative cell biology: katanin at the crossroads
    Olivier Hamant
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, UCB Lyon 1, France
    Curr Biol 23:R206-8. 2013
    ..A new study showing a functional and physical interaction between the ROP effector RIC1 and the microtubule severing enzyme katanin brings together auxin signaling and microtubule ordering in Arabidopsis pavement cells...
  5. pmc Quantitative imaging strategies pave the way for testable biological concepts
    Olivier Hamant
    Laboratoire Reproduction et Développement des Plantes Laboratoire Joliot Curie, INRA, CNRS, ENS, Universite de Lyon, 46 allee d Italie, 69364 Lyon Cedex 07, France
    BMC Biol 9:10. 2011
    ....
  6. pmc Is cell polarity under mechanical control in plants?
    Olivier Hamant
    INRA, CNRS, ENS, Universite de Lyon, Lyon Cedex, France
    Plant Signal Behav 6:137-9. 2011
    ....
  7. doi request reprint The mechanics behind plant development
    Olivier Hamant
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, Universite de Lyon, Lyon Cedex 07, France
    New Phytol 185:369-85. 2010
    ..In this review, we will discuss these issues focusing on the shoot apical meristem, a population of stem cells that is responsible for the initiation of the aerial organs of the plant...
  8. ncbi request reprint Regulation of shape and patterning in plant development
    Olivier Hamant
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, Universite de Lyon, 46 allee d Italie, Lyon Cedex 07, France
    Curr Opin Genet Dev 20:454-9. 2010
    ..It is likely that combining mechanical signals and biochemical gradients could confer more robustness to plant development...
  9. doi request reprint Plant development: a TALE story
    Olivier Hamant
    Laboratoire de Reproduction et Développement des Plantes, Institut National de la Recherche Agronomique, CNRS ENS, Universite de Lyon, 46 allee d Italie, Lyon Cedex 07, France
    C R Biol 333:371-81. 2010
    ..While the mode of action of these transcription factors is still largely unknown, they have been implicated in the regulation of several hormonal pathways, providing a link between gene regulatory networks and signaling in the SAM...
  10. doi request reprint Mechanical stress acts via katanin to amplify differences in growth rate between adjacent cells in Arabidopsis
    Magalie Uyttewaal
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, UCB Lyon 1, 46 allee d Italie, 69364 Lyon Cedex 07, France
    Cell 149:439-51. 2012
    ..This in turn can amplify local growth-rate gradients, yielding more heterogeneous growth and supporting morphogenesis...
  11. ncbi request reprint Developmental patterning by mechanical signals in Arabidopsis
    Olivier Hamant
    INRA, Laboratoire de Reproduction et Développement des Plantes, 46 allee d Italie, 69364 Lyon Cedex 07, France
    Science 322:1650-5. 2008
    ....
  12. doi request reprint Integrating physical stress, growth, and development
    Magalie Uyttewaal
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, Universite de Lyon, 46 allee d Italie, 69364 Lyon Cedex 07, France
    Curr Opin Plant Biol 13:46-52. 2010
    ..In this review, we use shoot apical meristem development to illustrate how biochemistry and biomechanics cooperate to integrate the local cellular gene input into global growth patterns...
  13. doi request reprint In vivo analysis of local wall stiffness at the shoot apical meristem in Arabidopsis using atomic force microscopy
    Pascale Milani
    Laboratoire Joliot Curie, Laboratoire de Physique, CNRS, ENS Lyon, UCB Lyon 1, Universite de Lyon, 46 allee d Italie, 69364 Lyon Cedex 07, France
    Plant J 67:1116-23. 2011
    ....
  14. doi request reprint How mechanical stress controls microtubule behavior and morphogenesis in plants: history, experiments and revisited theories
    Benoît Landrein
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, UCB Lyon 1, 46 allee d Italie, Lyon, Cedex 07 69364, France
    Plant J 75:324-38. 2013
    ..We propose a conceptual model on microtubule dynamics and their ability to self-organize in bundles parallel to the direction of maximal stress, as well as a synthetic representation of the putative mechanotransducers at play...
  15. doi request reprint From genes to shape: understanding the control of morphogenesis at the shoot meristem in higher plants using systems biology
    Jan Traas
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, 46, Allee d Italie, 69364 Lyon Cedex 07, France
    C R Biol 332:974-85. 2009
    ..The first models have begun to reproduce gene network behaviours and dynamical shape changes, providing new insight in the control of morphogenesis...
  16. doi request reprint FibrilTool, an ImageJ plug-in to quantify fibrillar structures in raw microscopy images
    Arezki Boudaoud
    1 Laboratoire de Reproduction et Développement des Plantes, Institut National de la Recherche Agronomique INRA, Centre National de la Recherche Scientifique CNRS, Ecole Normale Supérieure de Lyon ENS, Universite de Lyon, Lyon, France 2 Laboratoire Joliot Curie, CNRS, ENS Lyon, Universite Claude Bernard Lyon 1, Universite de Lyon, Lyon, France
    Nat Protoc 9:457-63. 2014
    ..The tool provides the average orientation and anisotropy of fiber arrays in a given region of interest (ROI) in a few seconds. ..
  17. ncbi request reprint Time-lapse imaging of developing meristems using confocal laser scanning microscope
    Olivier Hamant
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, UCB Lyon 1, and Laboratoire Joliot Curie, CNRS, ENS, Universite de Lyon, Lyon, France
    Methods Mol Biol 1080:111-9. 2014
    ..Here we describe in detail how to prepare shoot apices of both Arabidopsis and tomato, in order to image them over time using a confocal microscope equipped with a long-distance water-dipping lens. ..
  18. doi request reprint Impaired cellulose synthase guidance leads to stem torsion and twists phyllotactic patterns in Arabidopsis
    Benoît Landrein
    Laboratoire de Reproduction de Développement des Plantes, INRA, CNRS, ENS Lyon, UCB Lyon 1, Universite de Lyon, 46 allee d Italie, 69364 Lyon Cedex 07, France
    Curr Biol 23:895-900. 2013
    ..In addition, the stem torsion led to a novel bimodal and robust phyllotactic pattern in the csi1 mutant, illustrating how growth perturbations can replace one robust mathematical pattern with a different, equally robust pattern...
  19. ncbi request reprint Genetics of meiotic prophase I in plants
    Olivier Hamant
    Department of Molecular and Cell Biology, University of California, Berkeley, California 94720, USA
    Annu Rev Plant Biol 57:267-302. 2006
    ..Based on these recent data, essentially from maize and Arabidopsis, we discuss the conserved and plant-specific aspects of meiosis commitment and meiotic prophase I features...
  20. ncbi request reprint Organogenesis from stem cells in planta: multiple feedback loops integrating molecular and mechanical signals
    Fabrice Besnard
    Laboratoire de Reproduction et Développement des Plantes, INRA, CNRS, ENS, Universite de Lyon, 46 allee d Italie, 69364, Lyon Cedex 07, France
    Cell Mol Life Sci 68:2885-906. 2011
    ..An integrated view of these signaling networks is also presented in order to help understanding how robust shape and patterning can emerge from these networks...
  21. doi request reprint Plant science and agricultural productivity: why are we hitting the yield ceiling?
    Stève de Bossoreille de Ribou
    INRA, CNRS, Ecole Normale Superieure de Lyon, Université Lyon I 46, Allee d Italie, 69364 Lyon Cedex 07, France
    Plant Sci 210:159-76. 2013
    ..This is of critical, strategic importance, because the extent to which we, both locally and globally, secure and manage the long-term productive potential of plant resources will determine the future of humanity. ..