Arabidopsis seeds altered in the circadian clock protein TOC1 are characterized by higher level of linolenic acid.
Plant Sci
; 344: 112087, 2024 Jul.
Article
en En
| MEDLINE
| ID: mdl-38599247
ABSTRACT
The circadian clock plays a critical role in regulating plant physiology and metabolism. However, the way in which the clock impacts the regulation of lipid biosynthesis in seeds is partially understood. In the present study, we characterized the seed fatty acid (FA) and glycerolipid (GL) compositions of pseudo-response regulator mutants. Among these mutants, toc1 (timing of cab expression 1) exhibited the most significant differences compared to control plants. These included an increase in total FA content, characterized by elevated levels of linolenic acid (183) along with a reduction in linoleic acid (182). Furthermore, our findings revealed that toc1 developing seeds showed increased expression of genes related to FA metabolism. Our results show a connection between TOC1 and lipid metabolism in Arabidopsis seeds.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Semillas
/
Arabidopsis
/
Ácido alfa-Linolénico
/
Proteínas de Arabidopsis
Idioma:
En
Revista:
Plant Sci
Año:
2024
Tipo del documento:
Article
Pais de publicación:
Irlanda