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Title

L-Cysteine Desulfhydrase 1 modulates the generation of the signaling molecule sulfide in plant cytosol

AuthorsRomero, Luis C. ; García, Irene ; Gotor, Cecilia
KeywordsArabidopsis
Autophagy
Cysteine
Cytosolic sulfide
Transcriptional profile
Issue DateMar-2013
PublisherLandes Bioscience
CitationPlant Signaling & Behavior 8 (5): e24007 (2013)
AbstractConsistent with data in animal systems, experimental evidence highlights sulfide as a signaling molecule of equal importance to NO and H2O2 in plant systems. In mammals, two cytosolic enzymes, cystathionine -synthase (CBS) and cystathionine -lyase (CSE), have been shown to be responsible for the endogenous production of sulfide. L-cysteine desulfhydrase 1 (DES1) has been recently established as the only enzyme that is involved in the generation of hydrogen sulfide in plant cytosol. Although plants have an available source of sulfide within chloroplasts, the basic stromal pH prevents sulfide release into the cytosol. Therefore, DES1 is essential for the production of sulfide for signaling purposes.
Description3 Páginas, 1 figura
Publisher version (URL)http://dx.doi.org/10.4161/psb.24007
URIhttp://hdl.handle.net/10261/78571
DOI10.4161/psb.24007
ISSN1559-2316
Appears in Collections:(IBVF) Artículos
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