Prevention of algaculture contamination using pesticides for biofuel production

Prevention of algaculture contamination using pesticides for biofuel production
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使用农药生产生物燃料来预防藻类养殖污染

DOI:
10.1016/j.algal.2020.101975
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发表时间:
2020
期刊:
Algal Research
影响因子:
--
通讯作者:
Chen, Yongsheng
Chen, Yongsheng
中科院分区:
--
文献类型:
--
作者:
Van Ginkel, Steven W.;El-Sayed, Waleed M.M.;Johnston, Rachel;Narode, Asmita;Lee, Hwa Jong;Bhargava, Aditya;Snell, Terry;Chen, Yongsheng

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与陆地生物燃料相比,藻类生物燃料具有面积生产率高、含油量高和能够在非耕地上使用非饮用水进行种植的优点。然而,就像陆地农作物一样,藻类可以被各种各样的生物体吃草,特别是在开放的池塘系统中。藻类食草动物可以通过使用杀虫剂来控制,从而成为更可持续的生物燃料来源。本研究以克氏小球藻(Chlorella kesslerias)为淡水产藻模式生物,选择了淡水轮虫萼花臂尾轮虫(Brachionus calyciflorus)和淡水纤毛虫科足ASP(Colpodasp)。作为藻类食草动物的模型。农药奎宁(QN)、氯硝柳胺(NC)、3-三氟甲基-4-硝基苯酚(TFM)、鱼藤酮(ROT)和质子(pH)用于抑制藻类食草动物。Kessleri在39 μ M和31 μM浓度下不受TFM和NC的影响,而B.在18和14 μM的浓度下分别达到了calyciflorusis。在8 μM时,NC抑制,而QN、TFM和ROT抑制Colpodasp。浓度为30 μM。pH值范围在8.4和10.3之间。萼花并允许C. kesslerito生长良好。与以前使用ROT的结果相比,本研究中提出的结果表明,藻类食草动物可以有效地控制使用QN,NC和TFM,但可能需要更高的剂量比ROT。
Compared to terrestrial biofuels, algal biofuels have the advantages of high areal productivity, high oil content and the ability to be cultivated using non-potable water on non-arable land. However, just like terrestrial agricultural crops, algae can be grazed by a wide variety of organisms, particularly in open pond systems. Algal grazers can be controlled using pesticides to make a more sustainable source of biofuels. In this study, we chooseChlorella kesslerias the model freshwater algal producer and select the freshwater rotifer,Brachionus calyciflorusand the freshwater ciliate,Colpodasp. as the model algal grazers. The pesticides - quinine (QN), niclosamide (NC), 3-trifluoromethyl-4-nitrophenol (TFM), rotenone (ROT) and protons (pH) are used to inhibit algal grazers.C. kessleriis not affected by TFM and NC at concentrations up to 39 and 31 μM respectively, while inhibition ofB. calyciflorusis achieved at concentrations of 18 and 14 μM respectively.Colpodasp. is inhibited by NC at 8 μM, while, QN, TFM and ROT inhibitColpodasp. at 30 μM. A pH range between 8.4 and 10.3 inhibitsB. calyciflorusand allowsC. kesslerito grow well. Compared to previous results using ROT, the findings presented in this study demonstrate that algal grazers may be effectively controlled by using QN, NC and TFM yet may require higher doses than ROT.
使用铜选择性抑制萼花臂尾轮虫(捕食者)在凯斯勒小球藻(猎物)大规模培养物中的生长,用于藻类生物柴油生产
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发表时间: 2015
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