C Riekel

Summary

Affiliation: European Synchrotron Radiation Facility
Country: France

Publications

  1. ncbi request reprint Protein crystallography microdiffraction
    Christian Riekel
    European Synchrotron Radiation Facility, BP 220, F 38043 Grenoble Cedex, France
    Curr Opin Struct Biol 15:556-62. 2005
  2. ncbi request reprint Silk fiber assembly studied by synchrotron radiation SAXS/WAXS and Raman spectroscopy
    Anne Martel
    European Synchrotron Radiation Facility, B P 220, F 38043 Grenoble Cedex, France
    J Am Chem Soc 130:17070-4. 2008
  3. ncbi request reprint Virus particle assembly into crystalline domains enabled by the coffee ring effect
    Ronald Gebhardt
    European Synchrotron Radiation Facility, CS 40220, F 38043 Grenoble Cedex 9, France
    Soft Matter 10:5458-62. 2014
  4. pmc Raster microdiffraction with synchrotron radiation of hydrated biopolymers with nanometre step-resolution: case study of starch granules
    C Riekel
    European Synchrotron Radiation Facility, BP 220, F 38043 Grenoble Cedex, France
    J Synchrotron Radiat 17:743-50. 2010
  5. ncbi request reprint Aspects of X-ray diffraction on single spider fibers
    C Riekel
    European Synchrotron Radiation Facility, Grenoble, France
    Int J Biol Macromol 24:179-86. 1999
  6. ncbi request reprint Influence of CO2 on the micro-structural properties of spider dragline silk: X-ray microdiffraction results
    Christian Riekel
    European Synchrotron Radiation Facility, BP 220, 38043 Grenoble Cedex, France
    Naturwissenschaften 91:30-3. 2004
  7. ncbi request reprint Microstructural homogeneity of support silk spun by Eriophora fuliginea (C.L. Koch) determined by scanning X-ray microdiffraction
    C Riekel
    European Synchrotron Radiation Facility, BP 220, 38043 Grenoble, France
    Naturwissenschaften 88:67-72. 2001
  8. ncbi request reprint Spider silk fibre extrusion: combined wide- and small-angle X-ray microdiffraction experiments
    C Riekel
    European Synchrotron Radiation Facility, B P 220, F 38043 Grenoble Cedex, France
    Int J Biol Macromol 29:203-10. 2001
  9. ncbi request reprint Recent synchrotron radiation microdiffraction experiments on polymer and biopolymer fibers
    C Riekel
    European Synchrotron Radiation Facility, B P 220, 38043, Grenoble Cedex, France
    Anal Bioanal Chem 376:594-601. 2003
  10. ncbi request reprint Thermal behavior of Bombyx mori silk: evolution of crystalline parameters, molecular structure, and mechanical properties
    A Martel
    European Synchrotron Radiation Facility, Grenoble Cedex, France
    Biomacromolecules 8:3548-56. 2007

Collaborators

  • Claudio Ferrero
  • M Muller
  • Detlef Matthias Smilgies
  • Ronald Gebhardt
  • F Vollrath
  • C L Craig
  • J L Putaux
  • Claudio Nicolini
  • Douglas S Fudge
  • Henri Chanzy
  • Eugenia Pechkova
  • Manfred Burghammer
  • Michael R Sawaya
  • David Eisenberg
  • Rebecca Nelson
  • Manfred Rössle
  • A Martel
  • R J Davies
  • Melinda Balbirnie
  • Oskar Paris
  • Anders Ø Madsen
  • Angelo Accardo
  • Rouslan Moukhametzianov
  • Anne Martel
  • Robin Seidel
  • J Schoeck
  • Shilpa Sambashivan
  • Magdalena I Ivanova
  • A C Hermes
  • Katerina Papanikolopoulou
  • Massimo Gazzano
  • Christian Sollner
  • Enzo Di Fabrizio
  • Francesco Gentile
  • Francesco De Angelis
  • Federico Mecarini
  • George Jeronimidis
  • Sebastien Petitdemange
  • Aurélien Gourrier
  • Emanuela Di Cola
  • Gebhard F X Schertler
  • Maikel Fransen
  • Gregory McMullan
  • Richard J Davies
  • Patricia C Edwards
  • Dimitri Popov
  • Charlotte Vendrely
  • Heather T McFarlane
  • Jed J W Wiltzius
  • M Burghammer
  • Marcin I Apostol
  • Stuart A Sievers
  • Michael J Thompson
  • P Wyeth
  • H Kutzke
  • S Lahlil
  • S Greiff
  • Anna Mitraki
  • V Trevor Forsyth
  • Rob W H Ruigrok
  • Guy Schoehn
  • Vincent Forge
  • Jean François Hernandez
  • Robert Grothe
  • Pierre Panine
  • Maria Letizia Focarete
  • Mariastella Scandola
  • Volker S Urban
  • David Flot
  • Jens Engel
  • Elisabeth Busch-Nentwich
  • Jürgen Berger
  • Heinz Schwarz
  • Teresa Nicolson

Detail Information

Publications34

  1. ncbi request reprint Protein crystallography microdiffraction
    Christian Riekel
    European Synchrotron Radiation Facility, BP 220, F 38043 Grenoble Cedex, France
    Curr Opin Struct Biol 15:556-62. 2005
    ..6 A. Progress in X-ray optical systems and instrumentation will enable the method to be extended to smaller beams and smaller crystal volumes...
  2. ncbi request reprint Silk fiber assembly studied by synchrotron radiation SAXS/WAXS and Raman spectroscopy
    Anne Martel
    European Synchrotron Radiation Facility, B P 220, F 38043 Grenoble Cedex, France
    J Am Chem Soc 130:17070-4. 2008
    ..The formation of crystalline beta-sheet domains within the fiber is confirmed by wide-angle X-ray scattering. The assembly process resembles the peptide condensation-ordering model proposed for amyloid cross-beta formation...
  3. ncbi request reprint Virus particle assembly into crystalline domains enabled by the coffee ring effect
    Ronald Gebhardt
    European Synchrotron Radiation Facility, CS 40220, F 38043 Grenoble Cedex 9, France
    Soft Matter 10:5458-62. 2014
    ..We further demonstrate the feasibility of collection of hk0 reflection intensities in GISAXS geometry and show it allows calculating a low-resolution electron density projection along the rod axis. ..
  4. pmc Raster microdiffraction with synchrotron radiation of hydrated biopolymers with nanometre step-resolution: case study of starch granules
    C Riekel
    European Synchrotron Radiation Facility, BP 220, F 38043 Grenoble Cedex, France
    J Synchrotron Radiat 17:743-50. 2010
    ..By careful dose selection during data collection, raster scans with 500 nm step-resolution could be performed for granules immersed in water...
  5. ncbi request reprint Aspects of X-ray diffraction on single spider fibers
    C Riekel
    European Synchrotron Radiation Facility, Grenoble, France
    Int J Biol Macromol 24:179-86. 1999
    ..The azimuthal spread of the short-range order fraction was about 86 degrees fwhm...
  6. ncbi request reprint Influence of CO2 on the micro-structural properties of spider dragline silk: X-ray microdiffraction results
    Christian Riekel
    European Synchrotron Radiation Facility, BP 220, 38043 Grenoble Cedex, France
    Naturwissenschaften 91:30-3. 2004
    ..Long CO(2) exposure reduces the axial alignment of nanofibrils, presumably due to a partial destruction of the amorphous network...
  7. ncbi request reprint Microstructural homogeneity of support silk spun by Eriophora fuliginea (C.L. Koch) determined by scanning X-ray microdiffraction
    C Riekel
    European Synchrotron Radiation Facility, BP 220, 38043 Grenoble, France
    Naturwissenschaften 88:67-72. 2001
    ..A helical model is tentatively proposed to describe this morphology. The central thread has a homogeneous distribution of crystallinity along the macroscopic fibre axis...
  8. ncbi request reprint Spider silk fibre extrusion: combined wide- and small-angle X-ray microdiffraction experiments
    C Riekel
    European Synchrotron Radiation Facility, B P 220, F 38043 Grenoble Cedex, France
    Int J Biol Macromol 29:203-10. 2001
    ..Under natural conditions it is the spider's tarsal claws which might serve to squeeze out the water to improve the mechanical properties of the thread during dragline production...
  9. ncbi request reprint Recent synchrotron radiation microdiffraction experiments on polymer and biopolymer fibers
    C Riekel
    European Synchrotron Radiation Facility, B P 220, 38043, Grenoble Cedex, France
    Anal Bioanal Chem 376:594-601. 2003
    ..The possibilities for in situ studies during stretching, extrusion, or indentation will be discussed...
  10. ncbi request reprint Thermal behavior of Bombyx mori silk: evolution of crystalline parameters, molecular structure, and mechanical properties
    A Martel
    European Synchrotron Radiation Facility, Grenoble Cedex, France
    Biomacromolecules 8:3548-56. 2007
    ..It is proposed that this is due to the development of cross-linking in the short-range-order chain fraction...
  11. ncbi request reprint Characterizing the decay of ancient Chinese silk fabrics by microbeam synchrotron radiation diffraction
    A C Hermes
    European Synchrotron Radiation Facility ESRF, 6 rue Jules Horowitz, F 38043 Grenoble Cedex, France
    Biomacromolecules 7:777-83. 2006
    ..SAXS/WAXS analysis supports the assumption of an initial loss of the random chain network with decay. At a subsequent state of aging, decay proceeds into the nanofibrils and the silk fibers break up into even smaller fractions...
  12. ncbi request reprint Extending the possibilities in phase space analysis of synchrotron radiation x-ray optics
    Claudio Ferrero
    European Synchrotron Radiation Facility, B P 220, F 38043 Grenoble Cedex, France
    Appl Opt 47:E116-24. 2008
    ..This approach has been implemented into a simple and easy-to-use program toolkit for optical calculations based on the Mathematica software package...
  13. ncbi request reprint Structural changes of casein micelles in a calcium gradient film
    Ronald Gebhardt
    European Synchrotron Radiation Facility, BP 220, F 38043 Grenoble Cedex 09, France
    Macromol Biosci 8:347-54. 2008
    ..Increasing calcium concentration causes a decrease in casein micelle diameter while the size of casein mini-micelles increases and micellar calcium phosphate particles remain unchanged...
  14. doi request reprint In situ X-ray scattering studies of protein solution droplets drying on micro- and nanopatterned superhydrophobic PMMA surfaces
    Angelo Accardo
    Center of Bio Nanotechnology and Engineering for Medicine, University Magna Græcia, Viale Europa, Catanzaro 88100, Italy
    Langmuir 26:15057-64. 2010
    ..Such surfaces represent nearly contact-free sample supports for studies of inorganic and organic solution droplets, which find applications in biochips...
  15. ncbi request reprint Na-cellulose formation in a single cotton fiber studied by synchrotron radiation microdiffraction
    J Schoeck
    European Synchrotron Radiation Facility, B P 220, F 38043 Grenoble Cedex, France
    Biomacromolecules 8:602-10. 2007
    ..A stitching technique was used to limit radiation damage. Subsequent exposure of the NaOH containing macrodrop to a stream of H2O or HCl microdrops converted part of the Na-cellulose I back into cellulose I...
  16. ncbi request reprint High-pressure potato starch granule gelatinization: synchrotron radiation micro-SAXS/WAXS using a diamond anvil cell
    R Gebhardt
    European Synchrotron Radiation Facility, Grenoble Cedex, France
    Biomacromolecules 8:2092-7. 2007
    ..The onset of gelatinization is accompanied by (i) an increase in the average a axis and lamellar periodicity, (ii) the appearance of an equatorial SAXS streak, and (iii) additional short-range order peaks...
  17. ncbi request reprint Recent developments in micro-diffraction on protein crystals
    Christian Riekel
    European Synchrotron Radiation Facility, BP 220, F 38043 Grenoble, France
    J Synchrotron Radiat 11:4-6. 2004
    ..The development of a dedicated microgoniometer in the frame of an EMBL/ESRF collaboration has revealed the potential of micro-diffraction for protein crystallography and is a step in the quest for user friendly instrumentation...
  18. pmc In situ muGISAXS: II. Thaumatin crystal growth kinetic
    Ronald Gebhardt
    European Synchrotron Radiation Facility, B P 220, F 38043 Grenoble Cedex, France
    Biophys J 99:1262-7. 2010
    ....
  19. doi request reprint Characterization of the boundary zone of a cast protein drop: fibroin beta-sheet and nanofibril formation
    Ronald Gebhardt
    European Synchrotron Radiation Facility, B P 220, F 38043 Grenoble Cedex, France
    Langmuir 25:6307-11. 2009
    ..MicroRaman spectroscopy shows the formation of beta-sheet secondary structure in the boundary zone, which is attributed to a shearing effect due to the retraction of the drop boundary upon evaporation...
  20. ncbi request reprint Comparative architecture of silks, fibrous proteins and their encoding genes in insects and spiders
    Catherine L Craig
    Museum of Comparative Zoology, Harvard University, Cambridge, MA 02138, USA
    Comp Biochem Physiol B Biochem Mol Biol 133:493-507. 2002
    ..Differential regulation of gene expression and selective splicing of the mRNA transcript may allow rapid adaptation of silk functional properties to different physical environments...
  21. ncbi request reprint Amyloid fibril formation from sequences of a natural beta-structured fibrous protein, the adenovirus fiber
    Katerina Papanikolopoulou
    Institut de Biologie Structurale, UMR 5075, CEA CNRS UJF, 41 rue Jules Horowitz, 38027 Grenoble, European Molecular Biology Laboratory, 6 rue Jules Horowitz, 38042 Grenoble, France
    J Biol Chem 280:2481-90. 2005
    ..Structural analysis of these amyloid fibrils suggests that perpendicular stacking of beta-strand repeat units is an underlying common feature of amyloid formation...
  22. ncbi request reprint Structural evolution of regenerated silk fibroin under shear: combined wide- and small-angle x-ray scattering experiments using synchrotron radiation
    Manfred Rössle
    European Molecular Biology Laboratory, Hamburg Outstation, Notkestrasse 85, D 22603 Hamburg, Germany
    Biopolymers 74:316-27. 2004
    ..This silk I type material shows up to two low-angle peaks suggesting the presence of water molecules that might be intercalated between hydrogen-bonded sheets...
  23. pmc Protein crystallography with a micrometre-sized synchrotron-radiation beam
    Rouslan Moukhametzianov
    MRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 0QH, England
    Acta Crystallogr D Biol Crystallogr 64:158-66. 2008
    ....
  24. ncbi request reprint Fast intracrystalline hydration of beta-chitin revealed by combined microdrop generation and on-line synchrotron radiation microdiffraction
    Manfred Rössle
    European Synchrotron Radiation Facility, B P 220, F 38043 Grenoble Cedex France
    Biomacromolecules 4:981-6. 2003
    ..A disordered intermediate phase with variable d-spacing that could be due to a mixture of anhydrous and hydrated beta-chitin layers was also detected...
  25. ncbi request reprint Atomic structures of amyloid cross-beta spines reveal varied steric zippers
    Michael R Sawaya
    Howard Hughes Medical Institute, UCLA DOE Institute of Genomics and Proteomics, Los Angeles, California 90095 1570, USA
    Nature 447:453-7. 2007
    ..Structures of 13 of these microcrystals all reveal steric zippers, but with variations that expand the range of atomic architectures for amyloid-like fibrils and offer an atomic-level hypothesis for the basis of prion strains...
  26. pmc The mechanical properties of hydrated intermediate filaments: insights from hagfish slime threads
    Douglas S Fudge
    Department of Zoology, University of British Columbia, Vancouver, British Columbia, V6T 1Z4, Canada
    Biophys J 85:2015-27. 2003
    ....
  27. ncbi request reprint Control of crystal size and lattice formation by starmaker in otolith biomineralization
    Christian Sollner
    Max Planck Institut fur Entwicklungsbiologie, Spemannstrasse 35, 72076 Tubingen, Germany
    Science 302:282-6. 2003
    ..The expression pattern of starmaker, along with the presence of the protein on the growing otolith, suggest that the expression levels of starmaker control the shape of the otoliths...
  28. ncbi request reprint Structural study of poly(L-lactic acid) spherulites
    Massimo Gazzano
    Department of Chemistry G Ciamician and ISOF CNR, University of Bologna, Via Selmi 2, 40126 Bologna, Italy
    Biomacromolecules 5:553-8. 2004
    ..Concomitantly, a gradual broadening of all X-ray reflections was observed...
  29. pmc Structure of the cross-beta spine of amyloid-like fibrils
    Rebecca Nelson
    Howard Hughes Medical Institute, UCLA DOE Institute for Genomics and Proteomics, Box 951570, UCLA, Los Angeles, California 90095 1570, USA
    Nature 435:773-8. 2005
    ..The structure illuminates the stability of amyloid fibrils, their self-seeding characteristic and their tendency to form polymorphic structures...
  30. ncbi request reprint Some introductory remarks on microbeam diffraction in nanobiosciences
    Oskar Paris
    Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, Am Muhlenberg 1, D 14476 Potsdam Golm, Germany
    J Synchrotron Radiat 12:712. 2005
  31. ncbi request reprint microGISAXS and protein nanotemplate crystallization: methods and instrumentation
    Eugenia Pechkova
    Fondazione Elba, Via delle Testuggini snc, I 00134 Rome, Italy
    J Synchrotron Radiat 12:713-6. 2005
    ..The nanotemplate experimental setup was used for drops containing growing lysozyme crystals at three different stages of growth...
  32. pmc The structural biology of protein aggregation diseases: Fundamental questions and some answers
    David Eisenberg
    Howard Hughes Medical Institute, UCLA DOE Institute of Genomics and Proteomics, Los Angeles, California 90095 1570, USA
    Acc Chem Res 39:568-75. 2006
    ....
  33. ncbi request reprint Mapping fibre orientation in complex-shaped biological systems with micrometre resolution by scanning X-ray microdiffraction
    Robin Seidel
    Department of Biomaterials, Max Plank Institute of Colloids and Interfaces, Research Campus Golm, 14424 Potsdam, Germany
    Micron 39:198-205. 2008
    ..The resulting two-dimensional maps of the local fibre orientations - together with the complex shape of the flow sensing system - may be useful for a better understanding of the mechanical optimization of such tissues...
  34. ncbi request reprint Morphological and structural aspects of the giant starch granules from Phajus grandifolius
    Henri Chanzy
    Centre de Recherches sur les Macromolecules Vegetales, ICMG CNRS, BP 53, F 38041 Grenoble Cedex 9, France
    J Struct Biol 154:100-10. 2006
    ..The occurrence of these morphological and structural features is tentatively correlated with the mode of growth of these granules...