Detection of Bioactive Exometabolites Produced by the Filamentous Marine Cyanobacterium Geitlerinema sp.

被引:0
|
作者
Nelson H. Caicedo
Jolanta Kumirska
Jennifer Neumann
Stefan Stolte
Jorg Thöming
机构
[1] University of Bremen,UFT
[2] University of Gdansk,Centre for Environmental Research and Sustainable Technology
来源
Marine Biotechnology | 2012年 / 14卷
关键词
4,4′-Dihydroxybiphenyl; Harmane; Analytical bioseparation; Cyanobacterial culture media; GC method; Recovery;
D O I
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中图分类号
学科分类号
摘要
Marine cyanobacteria are noted for their ability to excrete metabolites with biotic properties. This paper focuses on such exometabolites obtained from the culture of the marine filamentous cyanobacterium Geitlerinema sp. strain, their purification and subsequent analyses. By this means the recoveries of the active compounds, a prerequisite for properly determining their concentration, are quantified here for the first time. We demonstrate a new procedure using Amberlite XAD-1180 resin in combination with the eluent isopropanol for extraction of the culture media and gas chromatography as simplified chemical analysis. This procedure reduced necessary bacteria cultivation time (from 150 to 21 days) at low volumes of culture media (300 mL) required for identification of two selected bioactive compounds: 4,4′-dihydroxybiphenyl and harmane.
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页码:436 / 445
页数:9
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