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首页> 外文期刊>European Journal of Protistology >Yellow clay modulates carbohydrate and glutathione responses in the harmful dinoflagellate Cochlodinium polykrikoides and leads to sedimentation
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Yellow clay modulates carbohydrate and glutathione responses in the harmful dinoflagellate Cochlodinium polykrikoides and leads to sedimentation

机译:黄色粘土在有害的恐龙植物核糖酸二核苷酸聚氨酯中调节碳水化合物和谷胱甘肽反应,并导致沉淀物

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摘要

The marine dinoflagellate Cochlodinium polykrikoides is a harmful algal bloom (HAB) species that severely impacts the environment and causes huge economic losses. Yellow clay (YC), considered to be a non-toxic and naturally-occurring material, represents an important step towards the direct control of HABs. In the present study, we evaluated the physiological and biochemical effects of YC on C. polykrikoides after exposures of up to 72 h. We observed little physiological changes in growth rate, chlorophyll a, lipid peroxidation, antioxidant enzymatic activities of superoxide dismutase and catalase, and activity of alkaline phosphatase after exposure to YC. Interestingly, YC significantly increased total carbohydrate and glutathione levels, affecting the physiology of the cells. These results indicate that total carbohydrate content may play an important role in cell clay aggregation and it could be the main underlying mechanism that mitigates HAB cells via sedimentation. (C) 2019 Elsevier GmbH. All rights reserved.
机译:海洋林葡萄糖核心氨基葡聚糖Polykrikoides是一种有害的藻类盛开(HAB)物种,严重影响环境并导致巨大的经济损失。黄色粘土(Yc)被认为是无毒和天然存在的材料,代表了朝向直接控制HAB的重要一步。在本研究中,我们在高达72小时的曝光后评估了Yc在C. polykrikoides的生理和生化作用。我们观察到生长速率,叶绿素A,脂质过氧化,超氧化物歧化酶和过氧化氢酶的抗氧化酶活性,以及​​暴露于Yc后的碱性磷酸酶活性的少量生理变化。有趣的是,YC显着增加了总碳水化合物和谷胱甘肽水平,影响细胞的生理学。这些结果表明,总碳水化合物含量可能在细胞粘土聚集中发挥重要作用,并且可以是通过沉降减轻HAB细胞的主要潜在机制。 (c)2019年Elsevier GmbH。版权所有。

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