Phylogenetic diversity of cyanobacterial narB genes from various marine habitats.

  title={Phylogenetic diversity of cyanobacterial narB genes from various marine habitats.},
  author={Ryan W Paerl and Rachel A. Foster and Bethany D. Jenkins and J. Patrick Montoya and Jonathan P. Zehr},
  journal={Environmental microbiology},
  volume={10 12},
Nitrate, the most abundant combined, dissolved form of inorganic nitrogen in global oceans, is a common source of nitrogen (N) for phytoplankton including cyanobacteria. Using a nested polymerase chain reaction (PCR) method, the diversity of the cyanobacterial nitrate reductase gene, narB, was examined in plankton samples from a variety of marine habitats. A total of 480 narB gene fragment sequences were obtained from a coastal coral reef (Heron Island, Australia), open-ocean tropical and… CONTINUE READING
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