Leucine incorporation by Microcystis aeruginosa

Norbert Kamjunke, Sabine Jahnichen

Limnol. Oceanogr., 45(3), 2000, 741-743 | DOI: 10.4319/lo.2000.45.3.0741

ABSTRACT: In experiments with axenic cultures of Microcystis aeruginosa, we tested whether this cyanobacterium incorporates leucine, a compound that is often used for the measurement of heterotrophic bacterioplankton production. Microcystis showed significant leucine incorporation, and the uptake of exponentially growing cells was higher than the uptake of cells in stationary growth phase. Therefore, the leucine method may not be suitable for measuring bacterial production in highly eutrophic waters with a dominance of cyanobacteria.

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