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

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Article number122246
JournalBioresource technology
Volume295
DOIs
Publication statusPublished - 2020 Jan

Fingerprint

physical method
chemical method
lysis
Antioxidants
Malondialdehyde
Catalase
antioxidant
spray
Dilution
Reactive Oxygen Species
algal bloom
dilution
Productivity
membrane
Membranes
productivity
damage
Oxygen
reactive oxygen species
dosage

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

Cite this

Wang, Yue ; Li, Shuangfei ; Liu, Guozhu ; Li, Xiaoqiang ; Yang, Qixia ; Xu, Ying ; Hu, Zhangli ; Chen, Chun Yen ; Chang, Jo Shu. / Continuous production of algicidal compounds against Akashiwo sanguinea via a Vibrio sp. co-culture. In: Bioresource technology. 2020 ; Vol. 295.
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Continuous production of algicidal compounds against Akashiwo sanguinea via a Vibrio sp. co-culture. / Wang, Yue; Li, Shuangfei; Liu, Guozhu; Li, Xiaoqiang; Yang, Qixia; Xu, Ying; Hu, Zhangli; Chen, Chun Yen; Chang, Jo Shu.

In: Bioresource technology, Vol. 295, 122246, 01.2020.

Research output: Contribution to journalArticle

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