Articles | Volume 12, issue 15
https://doi.org/10.5194/bg-12-4725-2015
https://doi.org/10.5194/bg-12-4725-2015
Research article
 | 
06 Aug 2015
Research article |  | 06 Aug 2015

Intact polar lipids of Thaumarchaeota and anammox bacteria as indicators of N cycling in the eastern tropical North Pacific oxygen-deficient zone

M. Sollai, E. C. Hopmans, S. Schouten, R. G. Keil, and J. S. Sinninghe Damsté

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Cited articles

Arrigo, K. R.: Marine microorganisms and global nutrient cycles, Nature, 437, 349–356, 2005.
Babbin, A. R., Keil, R. G., Devol, A. H., and Ward, B. B.: Organic matter stoichiometry, flux, and oxygen control nitrogen loss in the ocean, Science, 344, 406–408, 2014.
Bale, N. J., Villanueva, L., Hopmans, E. C., Schouten, S., and Sinninghe Damsté, J. S.: Different seasonality of pelagic and benthic Thaumarchaeota in the North Sea, Biogeosciences, 10, 7195–7206, https://doi.org/10.5194/bg-10-7195-2013, 2013.
Beman, J. M., Popp, B. N., and Francis, C. A.: Molecular and biogeochemical evidence for ammonia oxidation by marine Crenarchaeota in the Gulf of California, ISME J., 2, 429–41, 2008.
Beman, J. M., Popp, B. N., and Alford, S. E.: Quantification of ammonia oxidation rates and ammonia-oxidizing archaea and bacteria at high resolution in the Gulf of California and eastern tropical North Pacific Ocean, Limnol. Oceanogr., 57, 711–726, 2012.
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The distribution of Thaumarchaeota and anammox bacteria in the water column of the eastern tropical North Pacific (ETNP) oxygen-deficient zone (ODZ) was investigated by collecting suspended particulate matter (SPM) and analyzing it for the content of specific intact polar lipids (IPLs) produced by the two microbial groups. We found a clear niche segregation in the distribution of the two groups in the coastal waters of the ETNP but a partial overlap of their niches in the open-water setting.
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