School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China.
School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China.
Int J Environ Res Public Health. 2022 Jun 21;19(13):7556. doi: 10.3390/ijerph19137556.
Eutrophication has become an increasingly serious environmental issue and has contributed towards an explosion in harmful algal blooms (HABs) affecting local development. HABs can cause serious threats to ecosystems and human health. A newly isolated algicidal strain, F2, showed high algicidal activity against the typical HAB species . Potential algicides were detected through liquid chromatograph-mass spectrometer analysis, revealing that prodigiosin is an algicide and PQS is a quorum sensing molecule. RNA-seq was used to understand the algicidal mechanisms and the related pathways. We concluded that the metabolism of prodigiosin and PQS are active at the transcriptional level. The findings indicate that F2 can be used as a potential biological agent to control harmful algal blooms to prevent the deterioration of the ecological and economic value of water bodies.
富营养化已成为一个日益严重的环境问题，导致有害藻类大量繁殖（HABs），对当地发展造成影响。HABs 会对生态系统和人类健康造成严重威胁。新分离的杀藻菌株 F2 对典型的 HAB 物种表现出很高的杀藻活性。通过液相色谱-质谱分析检测到潜在的杀藻剂，结果表明灵菌红素是一种杀藻剂，而 PQS 是一种群体感应分子。RNA-seq 用于了解杀藻机制和相关途径。我们得出的结论是，灵菌红素和 PQS 的代谢在转录水平上是活跃的。研究结果表明，F2 可以用作潜在的生物制剂来控制有害藻类的繁殖，以防止水体生态和经济价值的恶化。
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