Obtaining and Study of Callus and Suspension Plant Cell Cultures of Tribulus terrestris L., a Producer of Steroidal Glycosides

Obtaining and Study of Callus and Suspension Plant Cell Cultures of Tribulus terrestris L., a... Callus and suspension plant cell cultures of Tribulus terrestris L., a valuable medicinal plant producing steroidal glycosides, were obtained. The seeds from an American population of T. terrestris were used as explants. Regulation of the production and growth of cell cultures, as well as the biosynthetic characteristics of the cell lines, were studied. The combination of phytohormones of 2,4-D (2.0 mg/L) and BAP (1.0 mg/L) was found to be optimal for callus induction and cultivation. Suspension cell culture obtained in liquid medium of the same composition showed such high growth characteristics during prolonged cultivation (more than 2 years) as a maximum accumulation of dry biomass of 13 g/L, specific growth rate at exponential phase of 0.24 day–1, and economical coefficient of 0.39. A semicontinuous mode of cultivation was used to grow the plant cell suspension in a lab-scale bioreactor. Screening of the steroidal glycosides in the obtained cell cultures was carried out. Steroidal glycosides were not found in the callus cultures. However, as was demonstrated by TLC and UPLC ESI MS methods, the suspension culture contained furostanol glycosides, and their amount increased during the cultivation process. These results support the hypothesis of the autoselection of cultivated cells containing compounds promoting their proliferation in vitro. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Biochemistry and Microbiology Springer Journals

Obtaining and Study of Callus and Suspension Plant Cell Cultures of Tribulus terrestris L., a Producer of Steroidal Glycosides

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Pleiades Publishing, Inc.
Subject
Life Sciences; Biochemistry, general; Microbiology; Medical Microbiology
ISSN
0003-6838
eISSN
1608-3024
D.O.I.
10.1134/S0003683817080038
Publisher site
See Article on Publisher Site

Abstract

Callus and suspension plant cell cultures of Tribulus terrestris L., a valuable medicinal plant producing steroidal glycosides, were obtained. The seeds from an American population of T. terrestris were used as explants. Regulation of the production and growth of cell cultures, as well as the biosynthetic characteristics of the cell lines, were studied. The combination of phytohormones of 2,4-D (2.0 mg/L) and BAP (1.0 mg/L) was found to be optimal for callus induction and cultivation. Suspension cell culture obtained in liquid medium of the same composition showed such high growth characteristics during prolonged cultivation (more than 2 years) as a maximum accumulation of dry biomass of 13 g/L, specific growth rate at exponential phase of 0.24 day–1, and economical coefficient of 0.39. A semicontinuous mode of cultivation was used to grow the plant cell suspension in a lab-scale bioreactor. Screening of the steroidal glycosides in the obtained cell cultures was carried out. Steroidal glycosides were not found in the callus cultures. However, as was demonstrated by TLC and UPLC ESI MS methods, the suspension culture contained furostanol glycosides, and their amount increased during the cultivation process. These results support the hypothesis of the autoselection of cultivated cells containing compounds promoting their proliferation in vitro.

Journal

Applied Biochemistry and MicrobiologySpringer Journals

Published: Feb 22, 2018

References

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