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Phenylpropanoid production in callus and cell suspension cultures of Buddleja cordata Kunth

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Abstract

Plant tissue cultures represent a potential source for producing secondary metabolites. In this work, Buddleja cordata tissue cultures were established in order to produce phenylpropanoids (verbascoside, linarin and hydroxycinnamic acids), as these metabolites are credited with therapeutic properties. Highest callus induction (76.4–84.3%) was obtained in five treatments containing 2,4-Dichlorophenoxyacetic acid (2,4-d: 0.45–9.05 μM) with Kinetin (KIN: 2.32, 4.65 μM), whereas highest root induction (79.6%) corresponded to the α-Naphthaleneacetic acid (9.05 μM) with KIN (2.32 μM) treatment. Verbascoside was the major phenylpropanoid produced in in vitro cultures (root, white and green callus) [66.24–86.26 mg g−1 dry weight (DW)], while linarin and hydroxycinnamic acid production was low (0.95–3.01 mg g−1 DW). Verbascoside and linarin production were improved in cell suspension culture (116 mg g−1 DW and 8.12 mg g−1 DW, respectively).

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Abbreviations

ANOVA:

Analysis of variance

DAD:

Photodiode array detection

DW:

Dry weight

GI:

Growth index

HPLC:

High performance liquid chromatography

IAA:

Indole-3-acetic acid

KIN:

Kinetin

μ:

Specific growth rate

MB:

Maximum biomass

NAA:

α-Naphthaleneacetic acid

PGR(s):

Plant growth regulator(s)

qp:

Specific production rate

td:

Doubling time

Y X/S :

Yield of biomass from substrate

2,4-d :

2,4-Dichlorophenoxyacetic acid

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Acknowledgements

The authors thank the Programa de Apoyo de la Investigación Multidisciplinario (Desarrollo de fitomedicamentos a partir de plantas medicinales y sus extractos para el control de la diabetes mellitus) for the partial financing of this project, and the Consejo Nacional de Ciencia y Tecnología (CONACyT) through grant 81157. We also thank Biologist Jorge Santana Carrillo at UAM-I herbarium for taxonomic identification of the collected plant as Buddleja cordata.

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Correspondence to F. Cruz-Sosa.

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Estrada-Zúñiga, M.E., Cruz-Sosa, F., Rodríguez-Monroy, M. et al. Phenylpropanoid production in callus and cell suspension cultures of Buddleja cordata Kunth. Plant Cell Tiss Organ Cult 97, 39–47 (2009). https://doi.org/10.1007/s11240-009-9496-z

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  • DOI: https://doi.org/10.1007/s11240-009-9496-z

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