Document Detail

Oxidative damage and antioxidant responses in Microcystis aeruginosa exposed to the allelochemical berberine isolated from golden thread.
MedLine Citation:
PMID:  21131096     Owner:  NLM     Status:  In-Data-Review    
Berberine, extracted from golden thread (Coptis chinensis Franch), is an allelochemical exhibiting inhibitory effects on the growth of Microcystis aeruginosa. Berberine-induced oxidative damage and antioxidant responses in M. aeruginosa cells were investigated to elucidate the mechanisms involved in berberine inhibition on algal growth. Malondialdehyde content in M. aeruginosa cells exposed to berberine increased with increased exposure concentration and the prolongation of exposure time. The same changes were observed in O(2)(-) activity of M. aeruginosa cells exposed to berberine. Berberine upregulated superoxide dismutase (SOD) activity at low concentrations while downregulating it at high concentrations. SOD activity transitioned from an increase to a decrease from 0 to 72h exposure to 0.10% berberine. We observed that berberine exposure increased glutathione content in M. aeruginosa cells. The results suggested that berberine-induced oxidative damage might be at least partially responsible for berberine inhibition on M. aeruginosa growth.
Shulin Zhang; Bo Zhang; Wei Dai; Xiumei Zhang
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Publication Detail:
Type:  Journal Article     Date:  2010-12-04
Journal Detail:
Title:  Journal of plant physiology     Volume:  168     ISSN:  1618-1328     ISO Abbreviation:  J. Plant Physiol.     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-03-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882059     Medline TA:  J Plant Physiol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  639-43     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier GmbH. All rights reserved.
Fisheries College, Ocean University of China, Qingdao 266003, PR China; Key Laboratory for Aquatic Ecology and Aquaculture of Tianjin, Department of Fisheries Science, Tianjin Agricultural University, Tianjin 300384, PR China.
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