Triggering antibacterial activity of a common plant by biosorption of selected heavy metals

IF 2.7 3区化学 Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY JBIC Journal of Biological Inorganic Chemistry Pub Date : 2024-04-08 DOI:10.1007/s00775-024-02045-1

Mária Kováčová, Halyna Bodnár Yankovych, Adrian Augustyniak, Mariano Casas-Luna, Michaela Remešová, Lenka Findoráková, Martin Stahorský, Ladislav Čelko, Matej Baláž

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Abstract

The presented study proposes an efficient utilization of a common Thymus serpyllum L. (wild thyme) plant as a highly potent biosorbent of Cu(II) and Pb(II) ions and the efficient interaction of the copper-laden plant with two opportunistic bacteria. Apart from biochars that are commonly used for adsorption, here we report the direct use of native plant, which is potentially interesting also for soil remediation. The highest adsorption capacity for Cu(II) and Pb(II) ions (q_e = 12.66 and 53.13 mg g⁻¹, respectively) was achieved after 10 and 30 min of adsorption, respectively. Moreover, the Cu-laden plant was shown to be an efficient antibacterial agent against the bacteria Escherichia coli and Staphylococcus aureus, the results being slightly better in the former case. Such an activity is enabled only via the interaction of the adsorbed ions effectively distributed within the biological matrix of the plant with bacterial cells. Thus, the sustainable resource can be used both for the treatment of wastewater and, after an effective embedment of metal ions, for the fight against microbes.

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通过生物吸附特定重金属激发一种常见植物的抗菌活性

本研究提出有效利用一种常见的百里香（野生百里香）植物作为 Cu(II) 和 Pb(II) 离子的高效生物吸附剂，以及这种含铜植物与两种机会性细菌之间的高效相互作用。除了通常用于吸附的生物炭之外，我们在此报告了直接使用本地植物的情况，这对土壤修复也具有潜在的意义。在分别吸附 10 分钟和 30 分钟后，对铜（II）和铅（II）离子的吸附容量达到最高（qe = 12.66 和 53.13 mg g-1）。此外，研究还表明，含铜植物对大肠杆菌和金黄色葡萄球菌具有有效的抗菌作用，前者的抗菌效果略好于后者。只有通过有效分布在植物生物基质中的吸附离子与细菌细胞的相互作用，才能产生这种活性。因此，这种可持续资源既可用于处理废水，也可在有效嵌入金属离子后用于对抗微生物。

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来源期刊

JBIC Journal of Biological Inorganic Chemistry 化学-生化与分子生物学

CiteScore

5.90

自引率

3.30%

发文量

审稿时长

3 months

期刊介绍： Biological inorganic chemistry is a growing field of science that embraces the principles of biology and inorganic chemistry and impacts other fields ranging from medicine to the environment. JBIC (Journal of Biological Inorganic Chemistry) seeks to promote this field internationally. The Journal is primarily concerned with advances in understanding the role of metal ions within a biological matrix—be it a protein, DNA/RNA, or a cell, as well as appropriate model studies. Manuscripts describing high-quality original research on the above topics in English are invited for submission to this Journal. The Journal publishes original articles, minireviews, and commentaries on debated issues.