Abstract
Agrobacterium rhizogenes-mediated genetic transformation is a well-known method for the induction of “hairy” root cultures of different plant species that allows to incorporate the bacterial rol genes into the plant genome. Introduction of the rol genes known as the stimulators of plant secondary metabolism, as well as a contact with phytopathogenic bacteria, may affect different growth parameters, such as weight increase, accumulation of secondary metabolites, and activity of enzymes, etc. after a long-term cultivation study of changes induced by Agrobacterium-mediated transformation and a transfer of foreign genes into the plant genome is of special interest. The activity of the enzymes (catalase and superoxide dismutase) belonging to the plant antioxidant defense system, as well as the total flavonoid content, the antioxidant and reducing activity of extracts from “hairy” root cultures, including Althaea officinalis, Artemisia vulgaris, and Artemisia tilesii, which were earlier obtained through the A. rhizogenes-mediated transformation (A4 strain with the human interferon ifn-α2b gene) were compared. PCR analysis confirmed the presence of the transferred genes in the corresponding “hairy” roots after long-term cultivation. A significant variability has been observed in the catalase and superoxide dismutase (SOD) activities among different “hairy” root lines. In particular, some lines characterized by increased activity of both enzymes have been identified. Catalase and SOD activities increased, respectively, 4.4 times and twice compared with the activity of extracts from the roots of the control plants. The possibility of significant increases in the total flavonoid content (by 4.6 times) and the levels of antioxidant and reducing activities in some samples of transgenic roots have been shown. The maximum flavonoid contents reached in the “hairy” roots of A. officinalis, A. vulgaris, and A. tilesii 4.60 ± 0.19, 4.55 ± 0.36, and 9.21 ± 1.28 mg/g of fresh weight. Thus, it has been demonstrated that genetic transformation induces changes in both the synthesis of metabolites with antioxidant properties and the activities of the antioxidant defense system enzymes. Changes were retained during 5–8 years after the induction of “hairy” roots. These results confirm a prolonged effect of genetic transformation on the functions of cells in the medicinal plant species, including marshmallow and two wormwood species. The established effect of increasing the flavonoid content and the level of antioxidant activity in the majority of samples after a long-term cultivation may be used for obtaining “hairy” roots and their usage as producers of compounds with antioxidant properties.
Similar content being viewed by others
REFERENCES
Bulgakov, V.P., Gorpenchenko, T.Y., Veremeichik, G.N., et al., The rolB gene suppresses reactive oxygen species in transformed plant cells through the sustained activation of antioxidant defense, Plant Physiol., 2012, vol. 158, pp. 1371–1381. https://doi.org/10.U04/pp.1U.191494
El-Esawi, M.A., Elkelish, A., Elansary, H.O., et al., Genetic transformation and hairy root induction enhance the antioxidant potential of Lactuca serriola L., Oxid. Med. Cell Longev., 2017, vol. 2017, art. 5604746. https://doi.org/10.1155/2017/5604746
Gabr, A.M.M., Sytar, O., Ghareeb, H., et al., Accumulation of amino acids and flavonoids in hairy root cultures of common buckwheat (Fagopyrum esculentum), Physiol. Mol. Biol. Plants, 2019, vol. 25, pp. 787–797. https://doi.org/10.1007/s12298-019-00669-1
Gharari, Z., Bagheri, K., Danafar, H., et al., Enhanced flavonoid production in hairy root cultures of Scutellaria bornmuelleri by elicitor induced over expression of MYB7 and FNS2 genes, Plant Physiol. Biochem., 2020, vol. 148, pp. 35–44. https://doi.org/10.1016/j.plaphy.2020.01.002
Giri, A. and Narasu, M.L., Transgenic hairy roots: recent trends and applications, Biotechnol. Adv., 2000, vol. 18, pp. 1–22. https://doi.org/10.1016/S0734-9750(99)00016-6
Khezerluo, M., Hosseini, B., and Amiri, J., Sodium nitroprusside stimulated production of tropane alkaloids and antioxidant enzymes activity in hairy root culture of Hyoscyamus reticulatus L., Acta Biol. Hung., 2018, vol. 69, pp. 437–448. https://doi.org/10.1556/018.69.2018.4.6
Kim, S.-E., Lee, C.-J., Ji, C., et al., Transgenic sweet potato plants overexpressing tocopherol cyclase display enhanced a-tocopherol content and abiotic stress tolerance, Plant Physiol. Biochem., 2019, vol. 144, art. 436444. https://doi.org/10.1016/j.plaphy.2019.09.046
Kohsari, S., Rezayian, M., Niknam, V., et al., Antioxidative enzymes activities and accumulation of steroids in hairy roots of Trigonella, Physiol. Mol. Biol. Plants, 2020, vol. 26, pp. 281–288. https://doi.org/10.1007/s12298-019-00753-6
Kumar, S. and Pandey, A.K., Chemistry and biological activities of flavonoids: an overview, Sci. World J., 2013, 2013, art. 162750. https://doi.org/10.1155/2013/162750
Matvieieva, N.A., Shakhovsky, A.M., Belokurova, V.B., et al., Artemisia tilesii Ledeb hairy roots establishment using Agrobacterium rhizogenes-mediated transformation, Prep. Biochem. Biotechnol., 2015, vol. 46, pp. 342–345 https://doi.org/10.1080/10826068.2015.1031393
Matvieieva, N., Drobot, K., Duplij, V., et al., Flavonoid content and antioxidant activity of Artemisia vulgaris L. “hairy” roots, Prep. Biochem. Biotechnol., 2019, vol. 49, pp. 82–87. https://doi.org/10.1080/10826068.2018.1536994
Matvieieva, N., Morgun, B., Lakhneko, O., et al., Agrobacterium rhizogenes-mediated transformation enhances the antioxidant potential of Artemisia tilesii Ledeb., Plant Physiol. Biochem., 2020, vol. 152, pp. 177–183. https://doi.org/10.1016/j.plaphy.2020.04.020
Muthusamy, B. and Shanmugam, G., Analysis of flavonoid content, antioxidant, antimicrobial and antibiofilm activity of in vitro hairy root extract of radish (Raphanus sativus L.), Plant Cell Tiss. Organ Cult., 2020, vol. 140, pp. 619–633.https://doi.org/10.1007/s11240-019-01757-6
Pekal, A. and Pyrzynska, K., Evaluation of aluminium complexation reaction for flavonoid content assay, Food Anal. Methods, 2014, vol. 7, pp. 1776–1782. https://doi.org/10.1007/s12161-014-9814-x
Pietta, P.G., Flavonoids as antioxidants, J. Nat. Prod., 2000, vol. 63, pp. 1035–1042. https://doi.org/10.1021/np9904509
Reis, A., Boutet-Mercey, S., Massot, S., et al., Isoflavone production in hairy root cultures and plantlets of Trifolium pretense, Biotechnol. Lett., 2019, no. 3, pp. 427–442. https://doi.org/10.1007/s10529-018-02640-8
Sahayarayan, J., Udayakumar, R., Arun, M., et al., Effect of different Agrobacterium rhizogenes strains for in-vitro hairy root induction, total phenolic, flavonoids contents, antibacterial and antioxidant activity of Cucumis anguria L., Saudi J. Biol. Sci., 2020, vol. 27, pp. 2972–2979. https://doi.org/10.1016/j.sjbs.2020.08.050
Singh, H., Dixit, S., Verma, P.C., et al., Evaluation of total phenolic compounds and insecticidal and antioxidant activities of tomato hairy root extract, J. Agric. Food Chem., 2014, vol. 62, pp. 2588–2594. https://doi.org/10.1021/jf405695y
Tavassoli, P. and Safipour Afshar, A., Influence of different Agrobacterium rhizogenes strains on hairy root induction and analysis of phenolic and flavonoid compounds in marshmallow (Althaea officinalis L.), 3 Biotech, 2018, vol. 8, p. 351. https://doi.org/10.1007/s13205-018-1375-z
Thwe, A., Arasu, M.V., Li, X., et al., Effect of different Agrobacterium rhizogenes strains on hairy root induction and phenylpropanoid biosynthesis in Tartary buckwheat (Fagopyrum tataricum Gaertn), Front. Microbiol., 2016, vol. 7, p. 318. https://doi.org/10.3389/fmicb.2016.00318
Tiwari, R.K., Trivedi, M., Guang, Z.C., et al., Agrobacterium rhizogenes mediated transformation of Scutellaria baicalensis and production of flavonoids in hairy roots, Biol. Plant., 2008, vol. 52, p. 26. https://doi.org/10.1007/s10535-008-0004-9
Wang, X., Ding, G., Liu, B., and Wang, Q., Flavonoids and antioxidant activity of rare and endangered fern: Isoetes sinensis, PLoS One, 2020, vol. 15, no. 5, e0232185. https://doi.org/10.1371/journal.pone.0232185
Zhang, H.C., Liu, J.M., Lu, H.Y., et al., Enhanced flavonoid production in hairy root cultures of Glycyrrhiza uralensis Fisch by combining the overexpression of chalcone isomerase gene with the elicitation treatment, Plant Cell Rep., 2009, vol. 28, pp. 1205–1213. https://doi.org/10.1007/s00299-009-0721-3
Funding
The study was partly supported by grant no. 2929.01/0301 of NRF of Ukraine and the grant of MES of Ukraine “Developing Methods for Deriving Active Pharmaceutical Ingredients with Anti-Inflammatory and Antioxidant Activities Based on the Biotechnology of Wormwood Roots,” 2021–2022.
Author information
Authors and Affiliations
Corresponding authors
Ethics declarations
The authors declare that they have no conflict of interests.
This study was performed by each of the authors in compliance with ethical norms and did not include any procedures involving people or animals as objects.
Additional information
Translated by N. Tarasyuk
About this article
Cite this article
Bohdanovych, T.A., Shakhovsky, A.M., Duplij, V.P. et al. Effects of Genetic Transformation on the Antioxidant Activity of “Hairy” Roots of Althaea officinalis L., Artemisia vulgaris L., and Artemisia tilesii Ledeb.. Cytol. Genet. 55, 531–539 (2021). https://doi.org/10.3103/S0095452721060037
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.3103/S0095452721060037