Artículo
S-sulfocysteine synthase function in sensing chloroplast redox status
Autor/es | Gotor Martínez, Cecilia
Romero González, Luis Carlos |
Departamento | Universidad de Sevilla. Departamento de Bioquímica Vegetal y Biología Molecular |
Fecha de publicación | 2013 |
Fecha de depósito | 2019-03-21 |
Publicado en |
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Resumen | The minor chloroplastic O-acetylserine(thiol)lyase isoform encoded by the CS26 gene in Arabidopsis thaliana has been described as an S-sulfocysteine synthase enzyme that plays an important role in chloroplast function. ... The minor chloroplastic O-acetylserine(thiol)lyase isoform encoded by the CS26 gene in Arabidopsis thaliana has been described as an S-sulfocysteine synthase enzyme that plays an important role in chloroplast function. This enzyme is located in the thylakoid lumen, and its S-sulfocysteine activity is essential for the proper photosynthetic performance of the chloroplast under long-day growth conditions. Based on the present knowledge of this enzyme, we suggest that S-sulfocysteine synthase functions as a protein sensor to detect the accumulation of thiosulfate as a result of the inadequate detoxification of reactive oxygen species generated under conditions of excess light to produce the S-sulfocysteine molecule that triggers protection mechanisms of the photosynthetic apparatus. |
Identificador del proyecto | BIO2010-15201
CSD2007-00057 CVI-7190 |
Cita | Gotor Martínez, C. y Romero González, L.C. (2013). S-sulfocysteine synthase function in sensing chloroplast redox status. Plant Signaling and Behavior, 8 (3), e23313-1-e23313-3. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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S-sulfocysteine s.docx | 88.71Kb | [Microsoft Word 2007] | Ver/ | |