Paper Title:
The Toxic Effects of Algicidal Bacteria L7’s Algicidal Components to Brachydanio rerio
  Abstract

In order to study the toxic effects of L7 lyophilized powder of extracellular active components (L7-LPEAC) – extracted from the algicidal bacteria L7 – on the aquatic system, Brachydanio rerio were exposed to L7-LPEAC in five different concentrations for a period of 96 hours. The results showed that the 96 h-LC50 is 0.85 g/L, thus the safe concentration is 0.09 g/L. Based on this, four L7-LPEAC concentrations (0.06 g/L, 0.09 g/L, 0.13 g/L, 0.18 g/L) were prepared with the same logarithmic distance, and a 20-day sub-acute toxicity test was carried out. The SOD and ATPase activity in the liver and gill of Brachydanio rerio was measured every 5 days. The results showed that with the increase of L7-LPEAC concentration, the SOD activity decreased significantly (P<0.05), both in liver and gill. Exposed over 10 days, the ATPase activity had little change when the concentration of L7-LPEAC was less than 0.09 g/L; and decreased significantly (P<0.05) when the concentration of L7-LPEAC was above 0.09 g/L.

  Info
Periodical
Advanced Materials Research (Volumes 383-390)
Chapter
Chapter 30: Automation, Mechatronics and Robotics
Edited by
Wu Fan
Pages
7723-7728
DOI
10.4028/www.scientific.net/AMR.383-390.7723
Citation
C. M. Zhang, Y. L. Zhang, W. B. Pan, "The Toxic Effects of Algicidal Bacteria L7’s Algicidal Components to Brachydanio rerio", Advanced Materials Research, Vols. 383-390, pp. 7723-7728, 2012
Online since
November 2011
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Na Zhang, Xiao Mei Li, Qing Qi Guo
Abstract:Optimal condition, stability and Km of phytase which was from Aspergillus oryzae093 were studied. The optimal temperature and pH for...
1833
Authors: Hong Yan Shen, Lei Yang, Guo Xia Zhang, Jing Liang Yang
Abstract:In order to investigate ecotoxicity effect of 2,4-dinitrotoluene (2,4-DNT) to freshwater fish(Brocarded carp), the acute toxicity test and...
2171
Authors: Guo Ling Cheng, He Liu, Qun Hui Wang
Chapter 1: Material Engineering and its Application
Abstract:EDTA, EDDS and oxalic acid were added to soil to control the concentrations of the three chelators in soil at 2, 5, 10, 15, 20, 30 mmol/kg,...
39
Authors: Heng Zhang, Zhao Tang Xu, Yu Liang Han, Zhi Chen
Chapter 1: Environmental Chemistry, Biology and Technology
Abstract:The aim was to study the effect of disused battery on wheat germination. The germination characteristics such as germination rate,...
284
Authors: Fu Guang Gu, Zhao Bo Chen, Xiao Yu Wang, Hong Cheng Wang
Chapter 1: Environmental Science and Engineering
Abstract:This study investigate the influence of different 7-ACA concentration of pharmaceutical wastewater on microbial activity of activated sludge,...
202