Hormonal control of triterpenols synthesis in Euphorbia characias calli

• Type: Article in International Scientific Journal
• Date: 1992

Authors

FERNANDESFERREIRA, M (Author) Other; NOVAIS, JM (Author) Other; PAIS, MSS (Author) Other

Journal

Title: Bioresource Technology

Vol. 39

Pages: 31-37

ISSN: 0960-8524

Publisher: Elsevier

Indexing

ISI Web of Knowledge - 6 Citations

Scopus - 6 Citations

Scientific classification

FOS: Agrarian Sciences > Agricultural biotechnology

Other information

Authenticus ID: P-00H-70R

DOI: 10.1016/0960-8524(92)90053-z

Abstract (EN): Calli of Euphorbia characias grown under different auxin and cytokinin supplementations revealed significant differences in the amounts of total triterpenols produced. Although the four main triterpenols, campesterol, beta-sitosterol, DELTA-5-avenasterol and alpha-amyrin, were produced with all hormonal supplementations used, wide differences in the levels of each triterpenol were recorded depending on either the type or the concentration of auxins and cytokinins tested. The increase of the ratio DELTA-5-avenasterol/beta-sitosterol with the increase of auxin and cytokinin concentrations suggests an inhibitory effect of these hormones on the conversion of DELTA-5-avenasterol to beta-sitosterol. Possible effects of auxins and cytokinins on the enzymes of the triterpenols biosynthetic pathway are discussed.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 7