Cytogenetic and photosynthetic responses of plants after exposure to water from a lake environment

IF 5.8 3区 环境科学与生态学 0 ENVIRONMENTAL SCIENCES Environmental Science and Pollution Research Pub Date : 2024-11-16 DOI:10.1007/s11356-024-35553-3
Ian Drumond Duarte, Edvar Júnior Roncetti Coelho, Livia Dorsh Rocha, Mariana Morozesk, Marina Marques Bonomo, Iara da Costa Souza, Liliane Baldan Zani, Iasmini Nicoli Galter, Natalia Nati, Sara Nascimento dos Santos, Kristian Rodolfo Santos, Francielen Barroso Aragão, Silvia Tamie Matsumoto
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Abstract

Plants are sensitive to environmental pollutants and are excellent organisms for genetic and physiological testing. Plant-based test systems are often used to study aquatic, aerial, and terrestrial pollution, especially Allium cepa, but studies with Tradescatia pallida specimens have gained prominence due to their sensitivity and applicability. Among the biomarkers, cytogenetic damage and chlorophyll levels are used in stress studies due to their responses to single or combined factors. The aim of this study was to evaluate cytogenetic and photosynthetic responses in T. pallida, and cytogenetic responses in A. cepa exposed to water from three sampling stations in the Juara lagoon (Municipality of Serra, ES, Brazil), collected in two sampling campaigns. The cytotoxic, genotoxic, and mutagenic potentials were analyzed using the T. pallida root tip mitosis assay and the Allium cepa test. Chloroplast pigment levels were measured in T. pallida leaves after chronic exposure to the lagoon water. The cytogenetic tests showed cytogenetic alterations at two sampling stations in at least one sampling campaign, suggesting the presence of potential pollutants, the effects of which were maximized during the rainy season. The study of photosynthetic metabolism in T. pallida showed a relationship between the levels of chloroplast pigments and the amount of nutrients present in the water.

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植物暴露于湖水环境后的细胞遗传和光合作用反应。
植物对环境污染物非常敏感,是基因和生理测试的绝佳生物。以植物为基础的测试系统通常用于研究水生、空中和陆地污染,尤其是薤白,但由于其灵敏性和适用性,以Tradescatia pallida标本进行的研究也越来越受到重视。在生物标志物中,细胞遗传损伤和叶绿素水平因其对单一或综合因素的反应而被用于压力研究。本研究的目的是评估 T. pallida 的细胞遗传学和光合作用反应,以及 A. cepa 的细胞遗传学反应,暴露于 Juara 泻湖(巴西 ES 省塞拉市)三个取样站的水体中的细胞遗传学反应是在两次取样活动中收集的。使用苍耳根尖有丝分裂试验和薤白试验分析了细胞毒性、遗传毒性和诱变潜力。测量了长期接触泻湖水后苍术叶片的叶绿体色素水平。细胞遗传学测试表明,至少在一次采样活动中,两个采样站的细胞遗传学发生了改变,这表明存在潜在的污染物,而雨季时污染物的影响最大。对 T. pallida 进行的光合新陈代谢研究表明,叶绿体色素的含量与水中营养物质的含量有 关。
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来源期刊
CiteScore
8.70
自引率
17.20%
发文量
6549
审稿时长
3.8 months
期刊介绍: Environmental Science and Pollution Research (ESPR) serves the international community in all areas of Environmental Science and related subjects with emphasis on chemical compounds. This includes: - Terrestrial Biology and Ecology - Aquatic Biology and Ecology - Atmospheric Chemistry - Environmental Microbiology/Biobased Energy Sources - Phytoremediation and Ecosystem Restoration - Environmental Analyses and Monitoring - Assessment of Risks and Interactions of Pollutants in the Environment - Conservation Biology and Sustainable Agriculture - Impact of Chemicals/Pollutants on Human and Animal Health It reports from a broad interdisciplinary outlook.
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