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Cloning and tissue expression of 4-coumarate coenzyme A ligase gene in Angelica sinensis / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 4824-4829, 2015.
Article in Chinese | WPRIM | ID: wpr-236036
ABSTRACT
4-coumarate coenzyme A ligase is a key enzyme of phenylpropanoid metabolic pathway in higher plant and may regulate the biosynthesis of ferulic acid in Angelica sinensis. In this study, the homology-based cloning and rapid amplification of cDNA ends (RACE) technique were used to clone a full length cDNA encoding 4-coumarate coenzyme A ligase gene (4CL), and then qRT-PCR was taken for analyzing 4CL gene expression levels in the root, stem and root tissue at different growth stages of seedlings of A. sinensis. The results showed that a full-length 4CL cDNA (1,815 bp) was obtained (GenBank accession number KT880508) which shares an open reading frame (ORF) of 1 632 bp, encodes 544 amino acid polypeptides. We found 4CL gene was expressed in all tissues including leaf, stem and root of seedlings of A. sinensis. The expressions in the leave and stem were increased significantly with the growth of seedlings of A. sinensis (P < 0.05), while it in the root showed little change. It indicates a time-space pattern of 4CL gene expression in seedlings of A. sinensis. These findings will be useful for establishing an experiment basis for studying the structure and function of 4CL gene and elucidating mechanism of ferulic acid biosynthesis and space-time regulation in A. sinensis.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Molecular Sequence Data / Base Sequence / Chemistry / Amino Acid Sequence / Cloning, Molecular / Coenzyme A Ligases / DNA, Complementary / Angelica sinensis / Genetics Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Molecular Sequence Data / Base Sequence / Chemistry / Amino Acid Sequence / Cloning, Molecular / Coenzyme A Ligases / DNA, Complementary / Angelica sinensis / Genetics Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2015 Type: Article