Bostrom Karstin; Riemann Lasse; Kuhl Michael; Hagstrom Ake
(Wiley-Blackwell Publishing Ltd., 2007)
Cyanobacteria are regarded as the main N2-fixing organisms in marine waters. However, recent clone libraries from various oceans show a wide distribution of the dinitrogenase reductase gene (nifH) originating from heterotrophic ...