Forschungs- & Entwicklungsinformationsdienst der Gemeinschaft - CORDIS

Collection of marine phototrophic microorganisms

A total of 99 phototrophic microorganisms has been isolated and obtained as pure (axenic), clonal cultures. The cultures have been obtained from the North Sea (20) and from the Baltic Sea (79).

From the North Sea 14 picocyanobacteria (Synechococcus) were isolated of which 12 possessed the photopigment phycoerythrin (red coloured strains)and 2 contained only phycocyanin (blue-green coloured strains). In addition 6 picoeukaryotes (pale green) were obtained. From the Baltic Sea 46 picocyanobacteria (Synechococcus) were isolated of which 36 contain phycoerythrin (red strains) and 10 only phycocyanin (blue-green strains).

Further, 25 tiny filamentous strains (< 1 um) of the genus Pseudanabaena were isolated. These strains contained phycoerythrin, phycocyanin or both and they appeared in a range of different colours. These strains were capable of complementary chromatic adaptation. In addition 8 picoeukaryotes (pale green) were obtained. Full characterization is in progress. The strains are deposited in the Culture Collection Yerseke (CCY) and publicy available.

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