Effect of Agitation and Temporary Immersion on Growth and Synthesis of Antibacterial Phenolic Compounds in Genus Drosera
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Published:2024-09-07
Issue:9
Volume:14
Page:1132
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ISSN:2218-273X
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Container-title:Biomolecules
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language:en
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Short-container-title:Biomolecules
Author:
Makowski Wojciech1ORCID, Mrzygłód Kinga1ORCID, Szopa Agnieszka2ORCID, Kubica Paweł2ORCID, Krychowiak-Maśnicka Marta3ORCID, Tokarz Krzysztof Michał1ORCID, Tokarz Barbara1ORCID, Ryngwelska Iga1, Paluszkiewicz Ewa4, Królicka Aleksandra3ORCID
Affiliation:
1. Department of Botany, Physiology and Plant Protection, Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, 29 Listopada 54, 31-425 Krakow, Poland 2. Department of Pharmaceutical Botany, Collegium Medicum, Jagiellonian University, Medyczna 9, 30-688 Krakow, Poland 3. Laboratory of Biologically Active Compounds, Intercollegiate Faculty of Biotechnology UG and MUG, University of Gdansk, Abrahama 58, 80-307 Gdansk, Poland 4. Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland
Abstract
Sundews (Drosera sp.) are the source of biologically active secondary metabolites: phenolic acids, flavonoids, and 1,4-naphtoquinones. Because obtaining them from the natural environment is impossible (rare and endangered species), in this study modifications of traditional tissue cultures grown in solid medium (SM), such as agitated cultures (ACs) (cultures in liquid medium with rotary shaking) and temporary immersion bioreactors PlantformTM (TIB), were used for multiplication of four sundew species: Drosera peltata, Drosera indica, Drosera regia, and Drosera binata, with simultaneously effective synthesis of biologically active phenolic compounds. Each species cultivated on SM, AC, and TIB was tested for biomass accumulation, the content of total phenols and selected phenolic derivative concentrations (DAD-HPLC), the productivity on of phenolic compounds, as well as its antibacterial activity against two human pathogens: Staphylococcus aureus and Escherichia coli. The results showed that the type of culture should be selected for each species separately. Phytochemical analyses showed that the synthesis of secondary metabolites from the groups of phenolic acids, flavonoids, and 1,4-naphthoquinones can be increased by modifying the cultivation conditions. D. regia turned out to be the richest in phenolic compounds, including 1,4-naphtoquinones: plumbagin and ramentaceone. Extracts from D. indica and D. regia tissue showed strong antibacterial activity against both pathogens. It has also been shown that the growth conditions of sundews can modify the level of secondary metabolites, and thus, their biological activity.
Funder
Ministry of Science and Higher Education of Poland
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