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Title 

Selective control of cyanobacteria by surfactin-containing culture broth of Bacillus subtilis C1

Authors 

Chi-Yong AhnSeung Hyun JoungJong Woon JeonHee Sik KimByung Dae YoonHee Mock Oh

Publisher 

Springer Verlag (Germany)

Issue Date 

2003

Citation 

Biotechnology Letters, vol. 25, no. 14, pp. 1137-1142

Keywords 

bacillus subtiliscyanobacteriamicrocystis aeruginosaselectivitysurfactinsurfactin peptideculture mediumculture media, conditioned

Abstract 

Of several types of chemical surfactants and biosurfactants, only the culture broth of Bacillus subtilis Cl containing surfactin at 10 mg 1-1 completely inhibited the growth of Microcystis aeruginosa, a bloom-forming cyanobacterium in highly eutrophic lakes. The broth with 10 mg surfactin 1-1 also removed 85% of the maximally grown M. aeruginosa (chlorophyll-a concentration, 1000 μg 1-1) within 2 d, and the removal efficiency was enhanced by Ca2+ over 1 mM. The growth of Anabaena affinis, another bloom-forming cyanobacterium, was also inhibited about 70% with surfactin at 10 mg 1-1 broth. However, the effect of the broth was delayed over 3 d in the green algae, Chlorella vulgaris and Scenedesmus sp., and was negligible in a diatom, Navicula sp., indicating the potential for the selective control of cyanobacterial blooms.

ISSN 

0141-5492

Link 

http://dx.doi.org/10.1023/A:1024508927361

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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