Cold Transiently Activates Calcium-permeable Channels in Arabidopsis Mesophyll Cells. (Articolo in rivista)

Type
Label
  • Cold Transiently Activates Calcium-permeable Channels in Arabidopsis Mesophyll Cells. (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1104/pp.106.090928 (literal)
Alternative label
  • Carpaneto A; Ivashikina N; Levchenko V; Krol E; Jeworutzki E; Zhu JK; Hedrich R. (2007)
    Cold Transiently Activates Calcium-permeable Channels in Arabidopsis Mesophyll Cells.
    in Plant physiology (Bethesda)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Carpaneto A; Ivashikina N; Levchenko V; Krol E; Jeworutzki E; Zhu JK; Hedrich R. (literal)
Pagina inizio
  • 487 (literal)
Pagina fine
  • 494 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 143 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • -Department of Molecular Plant Physiology and Biophysics, Julius-von-Sachs Institute of Biosciences, Wurzburg University, 97082 Wurzburg, Germany -Institute of Biophysics, National Research Council, 16149 Genova, Italy -School of Biological Sciences, University of Wales, Bangor LL57 2UW, Wales, United Kingdom -Department of Biophysics, Institute of Biology, Maria Curie-Sklodowska University, 20-033 Lublin, Poland -Institute for Integrative Genome Biology and Department of Botany and Plant Sciences, University of California, Riverside, California 92521 (literal)
Titolo
  • Cold Transiently Activates Calcium-permeable Channels in Arabidopsis Mesophyll Cells. (literal)
Abstract
  • Living organisms are capable of discriminating thermal stimuli from noxious cold to noxious heat. For more than 30 years, it has been known that plant cells respond to cold with a large and transient depolarization. Recently, using transgenic Arabidopsis (Arabidopsis thaliana) expressing the calcium-sensitive protein aequorin, an increase in cytosolic calcium following cold treatment was observed. Applying the patch-clamp technique to Arabidopsis mesophyll protoplasts, we could identify a transient plasma membrane conductance induced by rapid cooling. This cold-induced transient conductance was characterized as an outward rectifying 33 pS nonselective cation channel. The permeability ratio between calcium and cesium was 0.7, pointing to a permeation pore >3.34 A (ø of cesium). Our experiments thus provide direct evidence for the predicted but not yet measured cold-activated calcium-permeable channel in plants. (literal)
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