Journal
JOURNAL OF BIOTECHNOLOGY
Volume 247, Issue -, Pages 11-17Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jbiotec.2017.02.007
Keywords
Plant bioreactors; Schisandrin; Deoxyschisandrin; Gomisin A; Plantform; RITA (R)
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Funding
- Polish Ministry of Science and Higher Education [K/DSC/001950]
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Schisandra chinensis (Chinese magnolia vine) is a rich source of therapeutically relevant dibenzocyclooctadiene lignans with anticancer, immunostimulant and hepatoprotective activities. In this work, shoot cultures of S. chinensis were grown in different types of bioreactors with the aim to select a system suitable for the large scale in vitro production of schisandra lignans. The cultures were maintained in Murashige-Skoog (MS) medium supplemented with 3 mg/I 6-benzylaminopurine (BA) and 1 mg/I 1-naphthaleneacetic acid (NAA). Five bioreactors differing with respect to cultivation mode were tested: two liquid-phase systems (baloon-type bioreactor and bubble-column bioreactor with biomass immobilization), the gas-phase spray bioreactor and two commercially available temporary immersion systems: RITA (R) and Plantform. The experiments were run for 30 and 60 days in batch mode. The harvested shoots were evaluated for growth and lignan content determined by LC-DAD and LC-DAD-ESI-MS. Of the tested bioreactors, temporary immersion systems provided the best results with respect to biomass production and lignan accumulation: RITA bioreactor yielded 17.86g/l (dry weight) during 60 day growth period whereas shoots grown for 30 days in Plantform bioreactor contained the highest amount of lignans (546.98 mg/100g dry weight), with schisandrin, deoxyschisandrin and gomisin A as the major constituents (118.59, 77.66 and 67.86 mg/100 g dry weight, respectively).(C) 2017 Elsevier B.V. All rights reserved.
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