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Título: | New Insights on the Role of ß-Cyanoalanine Synthase CAS-C1 in Root Hair Elongation through Single-Cell Proteomics |
Autor: | Arenas-Alfonseca, Lucía CSIC ORCID; Yamada, Masashi; Romero, Luis C. CSIC ORCID ; García, Irene CSIC ORCID | Palabras clave: | Arabidopsis S-cyanylation Development Hydrogen cyanide Proteomics Root hair Signaling |
Fecha de publicación: | 2-dic-2023 | Editor: | Multidisciplinary Digital Publishing Institute | Citación: | Plants 12(23): 4055 (2023) | Resumen: | (1) Background: Root hairs are specialized structures involved in water and plant nutrient uptake. They elongate from epidermal cells following a complex developmental program. ß-cyanoalanine synthase (CAS), which is mainly involved in hydrogen cyanide (HCN) detoxification in Arabidopsis thaliana, plays a role in root hair elongation, as evidenced by the fact that cas-c1 mutants show a severe defect in root hair shape. In addition to root hairs, CAS C1 is expressed in the quiescent center and meristem. (2) Methods: To identify its role in root hair formation, we conducted single-cell proteomics analysis by isolating root hair cells using Fluorescence-activated Cell Sorting (FACS) from wild-type and cas-c1 mutants. We also analyzed the presence of S-cyanylation, a protein post-translational modification (PTM) mediated by HCN and affecting cysteine residues and protein activity in proteins of wild type and cas-c1 mutants. (3) Results and Conclusions: We have found that the cas-c1 mutation has no visible effect on quiescent center or meristem root tissue, in both control and nutrient-deprivation conditions. We have identified more than 3900 proteins in root hairs and we have found that several proteins involved in root hair development, related to the receptor kinase FERONIA signaling and DNA methylation, are modified by S-cyanylation. | Versión del editor: | https://doi.org/10.3390/plants12234055 | URI: | http://hdl.handle.net/10261/354969 | DOI: | 10.3390/plants12234055 | ISSN: | 2223-7747 |
Aparece en las colecciones: | (IBVF) Artículos |
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New Insights on the Role of ß-Cyanoalanine Synthase CAS-C1.pdf | Articulo principal | 22,91 MB | Adobe PDF | Visualizar/Abrir |
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