How Are Cytochrome b561 Electron Currents Controlled by Membrane Voltage and Substrate Availability? (Articolo in rivista)

Type
Label
  • How Are Cytochrome b561 Electron Currents Controlled by Membrane Voltage and Substrate Availability? (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1089/ars.2013.5809 (literal)
Alternative label
  • Picco, Cristiana; Scholz-Starke, Joachim; Naso, Alessia; Preger, Valeria; Sparla, Francesca; Trost, Paolo; Carpaneto, Armando (2014)
    How Are Cytochrome b561 Electron Currents Controlled by Membrane Voltage and Substrate Availability?
    in Antioxidants & redox signalling
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Picco, Cristiana; Scholz-Starke, Joachim; Naso, Alessia; Preger, Valeria; Sparla, Francesca; Trost, Paolo; Carpaneto, Armando (literal)
Pagina inizio
  • 384 (literal)
Pagina fine
  • 391 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 21 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consiglio Nazionale delle Ricerche (CNR); University of Bologna (literal)
Titolo
  • How Are Cytochrome b561 Electron Currents Controlled by Membrane Voltage and Substrate Availability? (literal)
Abstract
  • Direct recordings of electron currents mediated by cytochromes b561 (CYB561) are not available yet, despite the importance of these proteins in a variety of physiological functions, including neurotransmitter synthesis and dietary iron uptake. Here, we used the two-electrode voltage-clamp technique applied to Xenopus oocytes to demonstrate, for the first time, the generation of electron currents by a Drosophila member of the CYB561 superfamily named stromal cell-derived receptor 2 (SDR2). This experimental method, along with the theoretical development of a three-state kinetic model, supports the hypothesis that electron donor/acceptor concentrations and transmembrane voltage mutually control SDR2-mediated electron transport activity in a complex but predictable manner. (literal)
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