Continuous production of algicidal compounds against Akashiwo sanguinea via a Vibrio sp. co-culture

Yue Wang, Shuangfei Li, Guozhu Liu, Xiaoqiang Li, Qixia Yang, Ying Xu, Zhangli Hu, Chun Yen Chen, Jo Shu Chang

研究成果: Article同行評審

31 引文 斯高帕斯(Scopus)

摘要

Using biological treatment to deal with harmful algal blooms is highly potential over the physical and chemical methods due to its species specificity and eco-friendly characteristics. In this study, algicidal broth were produced from a Vibrio sp. co-culture composed mainly of V. brasilliensis and V. tubiashii. The productivity of the algicidal compounds was optimized under a dilution rate of 0.1 h−1 with a minimum algicidal broth dosage of 0.3% for 100% algal lysis. The algicidal threshold and EC50 of the spray-dried algicidal broth were 0.17 and 0.68 g/L, respectively. Treatment with the algicidal agents led to an increase in cellular reactive oxygen species (ROS) level that causes membrane damage as supported by the increase in Malondialdehyde (MDA) levels. and a further inhibition to the antioxidant system as indicated by a sharp decrease in the catalase (CAT) activity. The algicidal compound was identified as hexahydro pyrrolo[1,2-a] pyr azine-1,4-dione.

原文English
文章編號122246
期刊Bioresource technology
295
DOIs
出版狀態Published - 2020 1月

All Science Journal Classification (ASJC) codes

  • 生物工程
  • 環境工程
  • 可再生能源、永續發展與環境
  • 廢物管理和處置

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