Abstract
At appropriate concentrations, polyamines promoted the callus growth and echinacoside content of Cistanche deserticola while Ag+ increased the content of echinacoside and acteoside. In a 20-day culture period, when putrescine (25 μM) and Ag+ (10 μM) were added on day 8 and day 16, respectively, the echinacoside production (1.7 g l−1) and acteoside production (0.4 g l−1) reached the maximum, which were 1.4-fold and 1.5-fold of those in single putrescine treatment, 1.6-fold and 1.4-fold of those in single Ag+ treatment, respectively. Exogenous putrescine enhanced cell viability and antioxidant enzyme activity markedly, so increased the final biomass. Ag+ addition increased H2O2 content and phenylalanine ammonia-lyase activity significantly which led to higher echinacoside and acteoside contents.
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Abbreviations
- APOX:
-
Ascorbate peroxidase
- CAT:
-
Catalase
- H2O2 :
-
Hydrogen peroxide
- PAL:
-
Phenylalanine ammonia lyase
- PeGs:
-
Phenylethanoid glycosides
- ROS:
-
Reactive oxygen species
- SOD:
-
Superoxide dismutase
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Chen, WH., Xu, CM., Zeng, JL. et al. Improvement of echinacoside and acteoside production by two-stage elicitation in cell suspension culture of Cistanche deserticola . World J Microbiol Biotechnol 23, 1451–1458 (2007). https://doi.org/10.1007/s11274-007-9389-4
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DOI: https://doi.org/10.1007/s11274-007-9389-4