In this study, we assessed the effects of 11-day exposure of sulfadiazine (SD), sulfamethazine (SM2), norfloxacin (NOR), and enrofloxacin (ENR) on the growth, chlorophyll a (Chl. a) content, phycobiliproteins (PBPs) content, and alkaline phosphatase (ALP) activity of Chrysosporum ovalisporum, examined the removal rate of these antibiotics by C. ovalisporum, and performed acute toxicology test with Daphnia magna to determine the effect of interaction between antibiotics and cyanobacteria on aquatic animals. The results showed that the stress of SD and SM2 increased extracellular ALP activity and weakly inhibited the algal growth and the contents of Chl. a and PBPs compared with that noted in the control. ENR and NOR treatment groups exerted significant inhibition on algal growth as well as Chl. a and PBPs contents and ALP activity, although the cyanobacterium could degrade these two antibiotics more than SD and SM2. The results also revealed that the interaction between antibiotics and cyanobacteria could inhibit D. magna feeding.

在这项研究中，我们评估了11天的暴露磺胺嘧啶（SD），磺胺二甲嘧啶（SM2）的影响，诺氟沙星（NOR）和恩诺沙星（ENR）的生长，叶绿素一（叶绿素。一）内容，藻胆蛋白（的PBPs卵形Chrysosporum卵形孢子的含量和碱性磷酸酶（ALP）活性，用C检验了这些抗生素的去除率。卵圆孢子菌，并与大型蚤（Daphnia magna）进行了急性毒理学测试，以确定抗生素和蓝细菌之间的相互作用对水​​生动物的影响。结果表明，SD和SM2胁迫可增加细胞外ALP活性，并弱抑制藻类生长和Chl含量。一个和PBPs与对照组相比。ENR和NOR处理组对藻类生长以及Chl均具有显着抑制作用。a和PBPs含量和ALP活性，尽管蓝细菌比SD和SM2可以降解这两种抗生素。研究结果还表明，抗生素和蓝细菌之间的相互作用可以抑制D. magna的摄食。