Articles | Volume 16, issue 2
Research article
18 Jan 2019
Research article |  | 18 Jan 2019

Enhanced microbial nitrogen transformations in association with macrobiota from the rocky intertidal

Catherine A. Pfister and Mark A. Altabet

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Cited articles

Allgeier, J. E., Layman, C. A., Mumby, P. J., and Rosemond, A. D.: Consistent nutrient storage and supply mediated by diverse fish communities in coral reef ecosystems, Glob. Change Biol., 20, 2459–2472,, 2014. 
Azam, F.: Microbial Control of Oceanic Carbon Flux: The Plot Thickens, Science, 280, 694–696,, 1998. 
Bayne, B. L. and Scullard, C.: Rates of nitrogen excretion by species of Mytilus (Bivalvia: Mollusca), J. Mar. Biol. Assoc. U. K., 57, 355–369,, 1977. 
Beman, J. M., Chow, C.-E., King, A., Feng, Y., Fuhrman, J. A., Andersson, A., and Bates, N. R.: Global declines in ocean nitrification rates as a consequence of ocean acidification, P. Natl. Acad. Sci., 108, 208–213, 2011. 
Brylinsky, M.: Release of dissolved organic matter by some marine macrophytes, Mar. Biol., 39, 213–220,, 1977. 
Short summary
Microbial assemblages on host plants and animals are an increasingly recognized biological phenomenon. We present evidence that microbes in association with mussels and seaweeds are contributing greatly to nitrogen cycling in coastal marine areas, often many times that of the microbes that are simply free-living in seawater. The addition of dissolved organic carbon increased nutrient uptake by microbes, suggesting that coastal species enhance microbial metabolism through resource provisioning.
Final-revised paper