Importance of the diazotrophs as a source of new nitrogen in the ocean

By Julie LaRoche, E. Breitbarth. 2005

287 citations recorded by the source corpus.

View Paper: https://www.semanticscholar.org/paper/0ede516ab498a1239981d3ac1cb6a169765e1157

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In Oceanography

Citations in the corpus

Dust- and mineral-iron utilization by the marine dinitrogen-fixer Trichodesmium (2011, background): “These cyano-bacteria contribute significantly to biological fixation of nitrogen from the atmosphere in these waters, and thereby fuel primary production and influence nutrient flow and the cycling of organic and inorganic matte”
Nitrogenase genes in non-cyanobacterial plankton: prevalence, diversity and regulation in marine waters (2010, background): “In contrast, this process is believed to be rather insignificant in temperate or cold pelagic oceanic regions (LaRoche & Breitbarth 2005).”
Interconnection of nitrogen fixers and iron in the Pacific Ocean: Theory and numerical simulations (2012, background): “Thus, the two species coexist only for resource concentrations located at the intersection of the two ZNGIs.”
Database of diazotrophs in global ocean: abundance, biomass and nitrogen fixation rates (2012, methodology): “…Trichodesmium (discussed later), all the Tri-chodesmium counts were converted to number of trichomes assuming commonly used conversion factors of 200 tri-chomes colony − 1 and 100 cells trichome − 1 (Carpenter, 1983; Letelier and Karl, 1996; LaRoche and Breitbarth, 2005; Be-navides et al., 2011).”
Phosphate availability and the ultimate control of new nitrogen input by nitrogen fixation in the tropical Pacific Ocean (2007, background): “High SSTs are predicted for the western Pacific which is a characteristic province for present-day Trichodesmium abundance (LaRoche and Breitbarth, 2005).”
The fate of nitrogen fixed by diazotrophs in the ocean (2007, methodology): “Global estimates of N 2 fixation and possible controls on marine N2 fixation, at least byTrichodesmium, have been recently summarized and reviewed (LaRoche and Breitbarth, 2005; Mahaffey et al., 2005; Carpenter and Capone, 2007) and so will not be re-reviewed here.”
Light‐dependent oxygen consumption in nitrogen‐fixing cyanobacteria plays a key role in nitrogenase protection 1 (2007, unknown): “While numerous studies support this hypothesis (e.g., Paerl 1994, Lin and Carpenter 1998), the observation that single trichomes can have high N2-fixation rates demonstrates that colony formation is not a prerequisite for N2 fixation (Paerl et al. 1994, Letelier and Karl 1998).”
Conditionally Rare Taxa Disproportionately Contribute to Temporal Changes in Microbial Diversity (2014, background): “Furthermore, we know that some rare taxa play critical ecological roles in ecosystems, for example, diazotrophs in seawater (40), bacterial and archaeal ammonia oxidizers in soils (41, 42), and methanogens in guts (43).”
Flexible elemental stoichiometry in Trichodesmium spp. and its ecological implications (2006, background): “Species of the colony-forming marine cyanobacterial genus Trichodesmium have been well described as prominent dinitrogen (N2) fixing organisms (diazotrophs) in the oligotrophic tropical and subtropical regions of the global ocean (Capone 2001; Karl et al. 2002).”
Biogeographical controls on the marine nitrogen fixers (2011, background): “As is observed, the model’s total diazotroph population is distributed over most of the oligotrophic warm subtropical and tropical waters, with the exception of the southeastern Pacific Ocean.”
Elevated CO2 enhances nitrogen fixation and growth in the marine cyanobacterium Trichodesmium (2007, background): “Trichodesmium is a nonheterocystous, bloom-forming cyanobacterium dominant in the subtropical and tropical oceans and contributing over 50% of marine N fixation (Bergman et al., 1997; Capone et al., 1997; Gallon, 2001; LaRoche & Breitbarth, 2005).”