Tita Ritsema

Summary

Affiliation: University of Basel
Country: Switzerland

Publications

  1. ncbi request reprint Fructosyltransferase mutants specify a function for the beta-fructosidase motif of the sucrose-binding box in specifying the fructan type synthesized
    Tita Ritsema
    Department of Molecular Plant Physiology, University Utrecht, Padualaan 8, CH, The Netherlands
    Plant Mol Biol 54:853-63. 2004
  2. ncbi request reprint Using natural variation to investigate the function of individual amino acids in the sucrose-binding box of fructan:fructan 6G-fructosyltransferase (6G-FFT) in product formation
    Tita Ritsema
    Department of Molecular Plant Physiology, University Utrecht, Padualaan 8, 3584, Utrecht, CH, The Netherlands
    Plant Mol Biol 58:597-607. 2005
  3. ncbi request reprint Mutational analysis of the active center of plant fructosyltransferases: Festuca 1-SST and barley 6-SFT
    Denise Altenbach
    Botanisches Institut der Universität Basel, Zurich Basel Plant Science Center, Hebelstrasse 1, CH 4056 Basel, Switzerland
    FEBS Lett 579:4647-53. 2005
  4. ncbi request reprint Engineering fructan metabolism in plants
    Tita Ritsema
    Molecular Plant Physiology, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
    J Plant Physiol 160:811-20. 2003
  5. ncbi request reprint Fructans: beneficial for plants and humans
    Tita Ritsema
    Molecular Plant Physiology, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
    Curr Opin Plant Biol 6:223-30. 2003
  6. ncbi request reprint Developing fructan-synthesizing capability in a plant invertase via mutations in the sucrose-binding box
    Tita Ritsema
    Zurich Basel Plant Science Center, Botanisches Institut der Universität Basel, Hebelstrasse 1, 4056 Basel, Switzerland
    Plant J 48:228-37. 2006
  7. pmc Kinetics of salicylate-mediated suppression of jasmonate signaling reveal a role for redox modulation
    Annemart Koornneef
    Graduate School Experimental Plant Sciences, Institute of Environmental Biology, Utrecht University, 3508 TB Utrecht, The Netherlands
    Plant Physiol 147:1358-68. 2008

Collaborators

  • Thomas Boller
  • Annemart Koornneef
  • Denise Altenbach
  • L C Van Loon
  • Adriaan Verhage
  • Floor C Den Otter
  • Corné M J Pieterse
  • Antonio Leon-Reyes
  • Eveline Nüesch
  • Andres Wiemken

Detail Information

Publications7

  1. ncbi request reprint Fructosyltransferase mutants specify a function for the beta-fructosidase motif of the sucrose-binding box in specifying the fructan type synthesized
    Tita Ritsema
    Department of Molecular Plant Physiology, University Utrecht, Padualaan 8, CH, The Netherlands
    Plant Mol Biol 54:853-63. 2004
    ..This is in agreement with the observed activities of the chimerical proteins and indicates that the beta -fructosidase motif of the sucrose-binding box is specifying the fructan type synthesized...
  2. ncbi request reprint Using natural variation to investigate the function of individual amino acids in the sucrose-binding box of fructan:fructan 6G-fructosyltransferase (6G-FFT) in product formation
    Tita Ritsema
    Department of Molecular Plant Physiology, University Utrecht, Padualaan 8, 3584, Utrecht, CH, The Netherlands
    Plant Mol Biol 58:597-607. 2005
    ..This resulted in the preferential production of inulin-type fructans. Combining mutations showed that amino acid 84 determines product specificity of 6G-FFT irrespective of the amino acid at position 87...
  3. ncbi request reprint Mutational analysis of the active center of plant fructosyltransferases: Festuca 1-SST and barley 6-SFT
    Denise Altenbach
    Botanisches Institut der Universität Basel, Zurich Basel Plant Science Center, Hebelstrasse 1, CH 4056 Basel, Switzerland
    FEBS Lett 579:4647-53. 2005
    ..Interestingly, point mutations of the EC-motif resulted in an enzyme which had lost the capability to form 1-kestose and glucose from sucrose but still accepted 1-kestose, producing fructose and sucrose as well as nystose...
  4. ncbi request reprint Engineering fructan metabolism in plants
    Tita Ritsema
    Molecular Plant Physiology, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
    J Plant Physiol 160:811-20. 2003
    ..This enables the synthesis of many structurally diverse fructans. The production of these molecules in crops such as sugar beet and potato makes the commercial use of fructans feasible...
  5. ncbi request reprint Fructans: beneficial for plants and humans
    Tita Ritsema
    Molecular Plant Physiology, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
    Curr Opin Plant Biol 6:223-30. 2003
    ..In addition, fructan synthesis and breakdown can be adapted in such a way that tailor-made fructans are produced in plants for use as healthy food ingredients...
  6. ncbi request reprint Developing fructan-synthesizing capability in a plant invertase via mutations in the sucrose-binding box
    Tita Ritsema
    Zurich Basel Plant Science Center, Botanisches Institut der Universität Basel, Hebelstrasse 1, 4056 Basel, Switzerland
    Plant J 48:228-37. 2006
    ..These relatively small changes that increase the transglycosylation capacity of invertases might explain the polyphyletic origin of the fructan accumulation trait...
  7. pmc Kinetics of salicylate-mediated suppression of jasmonate signaling reveal a role for redox modulation
    Annemart Koornneef
    Graduate School Experimental Plant Sciences, Institute of Environmental Biology, Utrecht University, 3508 TB Utrecht, The Netherlands
    Plant Physiol 147:1358-68. 2008
    ..The glutathione biosynthesis inhibitor l-buthionine-sulfoximine strongly reduced PDF1.2 suppression by SA, suggesting that SA-mediated redox modulation plays an important role in the SA-mediated attenuation of the JA signaling pathway...