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在可控实验室条件下对菠菜中扑热息痛的吸收、积累和降解的评估

Assessment of Uptake, Accumulation and Degradation of Paracetamol in Spinach ( L.) under Controlled Laboratory Conditions.

作者信息

Badar Zarreen, Shanableh Abdallah, El-Keblawy Ali, Mosa Kareem A, Semerjian Lucy, Mutery Abdullah Al, Hussain Muhammad Iftikhar, Bhattacharjee Sourjya, Tsombou François Mitterand, Ayyaril Sefeera Sadik, Ahmady Islam M, Elnaggar Attiat, Mousa Muath, Semreen Mohammad H

机构信息

Research Institute of Science and Engineering (RISE), University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates.

Department of Civil and Environmental Engineering, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates.

出版信息

Plants (Basel). 2022 Jun 21;11(13):1626. doi: 10.3390/plants11131626.

Abstract

The occurrence and persistence of pharmaceuticals in the food chain, particularly edible crops, can adversely affect human and environmental health. In this study, the impacts of the absorption, translocation, accumulation, and degradation of paracetamol in different organs of the leafy vegetable crop spinach () were assessed under controlled laboratory conditions. Spinach plants were exposed to 50 mg/L, 100 mg/L, and 200 mg/L paracetamol in 20% Hoagland solution at the vegetative phase in a hydroponic system. Exposed plants exhibited pronounced phytotoxic effects during the eight days trial period, with highly significant reductions seen in the plants' morphological parameters. The increasing paracetamol stress levels adversely affected the plants' photosynthetic machinery, altering the chlorophyll fluorescence parameters (F/F and PSII), photosynthetic pigments (Chl a, Chl b and carotenoid contents), and composition of essential nutrients and elements. The LC-MS results indicated that the spinach organs receiving various paracetamol levels on day four exhibited significant uptake and translocation of the drug from roots to aerial parts, while degradation of the drug was observed after eight days. The VITEK 2 system identified several bacterial strains (e.g., members of , , , , and ) isolated from spinach shoots and roots. These microbes have the potential to biodegrade paracetamol and other organic micro-pollutants. Our findings provide novel insights to mitigate the risks associated with pharmaceutical pollution in the environment and explore the bioremediation potential of edible crops and their associated microbial consortium to remove these pollutants effectively.

摘要

药物在食物链,特别是可食用作物中的出现和持续存在,会对人类和环境健康产生不利影响。在本研究中,在可控的实验室条件下,评估了对乙酰氨基酚在叶菜类作物菠菜不同器官中的吸收、转运、积累和降解的影响。在水培系统中,菠菜植株在营养生长阶段暴露于含有50mg/L、100mg/L和200mg/L对乙酰氨基酚的20%霍格兰溶液中。在为期八天的试验期内,暴露的植株表现出明显的植物毒性效应,其形态参数显著降低。对乙酰氨基酚胁迫水平的增加对植株的光合机制产生了不利影响,改变了叶绿素荧光参数(F/F和PSII)、光合色素(叶绿素a、叶绿素b和类胡萝卜素含量)以及必需营养元素的组成。液相色谱-质谱结果表明,在第四天接受不同对乙酰氨基酚水平处理的菠菜器官显示出该药物从根部到地上部分的显著吸收和转运,而在八天后观察到该药物的降解。VITEK 2系统鉴定了从菠菜地上部分和根部分离出的几种细菌菌株(如 、 、 、 、 和 的成员)。这些微生物具有生物降解对乙酰氨基酚和其他有机微污染物的潜力。我们的研究结果为减轻环境中药物污染相关风险以及探索可食用作物及其相关微生物群落有效去除这些污染物的生物修复潜力提供了新的见解。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec63/9269112/032815e2ed01/plants-11-01626-g001.jpg

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