鸡皮环藻和魏氏海藻硅藻水生长去除抗生素四环素的适用性。

IF 3.1 4区 生物学 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Folia microbiologica Pub Date : 2025-06-01 Epub Date: 2025-03-15 DOI:10.1007/s12223-025-01255-7
Ekaterina S Solomonova, Natalia Yu Shoman, Arkady I Akimov
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引用次数: 0

摘要

抗生素四环素对硅藻Cyclotella caspia Grunow(1878)和thalassisira weissflogii (Grunow) G.A. Fryxell & Hasle(1977)的生长和光合活性的影响进行了研究。估计了有和无四环素的培养基中四环素浓度下降的速率。指出了利用硅藻作为四环素水净化的有利对象的方便性和前景。研究发现,在有藻类存在的培养基中,四环素脱除的速率和效率取决于培养基中污染物的初始含量。抗生素去除效率最高的污染物浓度为5 mg/L的猪皮草和10 mg/L的T. weissflogii引起藻类的激效生长。在有赤霉素和四环素的样品中,培养基中残留的抗生素含量比没有藻类的样品低10-14%。在魏氏单胞菌试验中,该指标达到15-16%。当污染物浓度分别为2和10 mg/L和2和5 mg/L时,藻类对抗生素的去除效果较低。培养基中四环素的残留量比未加藻类的样品平均降低8-11%。在抗生素浓度为15和20 mg/L时,有藻类和没有藻类的样品对抗生素的去除率没有显著差异。这一结果显然是由于四环素对细胞的毒性作用,导致藻类生长和/或死亡的明显抑制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Applicability of Cyclotella caspia and Thalassiosira weissflogii diatomous water growth for the removal of the antibiotic tetracycline.

The effect of the antibiotic tetracycline on the growth and photosynthetic activity of the diatoms Cyclotella caspia Grunow, 1878, and Thalassiosira weissflogii (Grunow) G.A. Fryxell & Hasle, 1977, has been studied. The rate of tetracycline concentration decreases in the medium with and without has been estimated. The expediency and prospects of using diatoms as promising objects for water purification from tetracycline are shown. It was found that the rate and efficiency of tetracycline removal from the medium in the presence of algae depends on the initial content of the pollutant in the medium. The maximum efficiency of antibiotic removal is observed at concentrations of the pollutant provoking the hormesis growth of algae at 5 mg/L in C. caspia and 10 mg/L in T. weissflogii. In samples with C. caspia and tetracycline, the residual antibiotic content in the medium was 10-14% lower than in samples without algae. In the experiment with T. weissflogii, this indicator reached 15-16%. At concentrations of the pollutant, 2 and 10 mg/L in C. caspia and 2 and 5 mg/L in T. weissflogii, the effectiveness of removing the antibiotic by algae was lower. The residual content of tetracycline in the medium was on average 8-11% lower than in samples without algae. At antibiotic concentrations of 15 and 20 mg/L, the rate of its removal in samples with and without algae did not significantly differ. This result is obviously due to the toxic effect of tetracycline on cells, leading to pronounced inhibition of algae growth and/or death.

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来源期刊
Folia microbiologica
Folia microbiologica 工程技术-生物工程与应用微生物
CiteScore
5.80
自引率
0.00%
发文量
82
审稿时长
6-12 weeks
期刊介绍: Unlike journals which specialize ever more narrowly, Folia Microbiologica (FM) takes an open approach that spans general, soil, medical and industrial microbiology, plus some branches of immunology. This English-language journal publishes original papers, reviews and mini-reviews, short communications and book reviews. The coverage includes cutting-edge methods and promising new topics, as well as studies using established methods that exhibit promise in practical applications such as medicine, animal husbandry and more. The coverage of FM is expanding beyond Central and Eastern Europe, with a growing proportion of its contents contributed by international authors.
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