Low doses of the quaternary ammonium salt Cetyltrimethylammonium bromide can be used as a pesticide to control grazers in microalgal cultures

Contamination of large-scale microalgal cultures by grazers can cause huge losses in biomass productivity. Here we propose the use of a quaternary ammonium salt cetyltrimethylammonium bromide (CTAB) to eradicate three types of commonly occurring grazers in microalgal cultures: the rotifer Brachionus...

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Bibliographic Details
Published in:Algal research (Amsterdam) 2019-08, Vol.41, p.101570, Article 101570
Main Authors: Deruyck, Bert, Nguyen, Thi Kim Hue, Praveenkumar, Ramasamy, Muylaert, Koenraad
Format: Article
Language:English
Subjects:
Ciliates
Contamination
CTAB
Flagellates
Microalgae
Rotifers
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Summary:Contamination of large-scale microalgal cultures by grazers can cause huge losses in biomass productivity. Here we propose the use of a quaternary ammonium salt cetyltrimethylammonium bromide (CTAB) to eradicate three types of commonly occurring grazers in microalgal cultures: the rotifer Brachionus, the ciliate Sterkiella and the flagellate Paraphysomonas. Low, premicellar doses (≤3 μM) of CTAB rapidly eradicated (within 1–2 d) all three tested grazers from microalgal cultures without significant losses (p 
ISSN:2211-9264
2211-9264
DOI:10.1016/j.algal.2019.101570