Feedbacks Between the Nitrogen, Carbon and Oxygen Cycles

Ilana Berman-Frank, Yi Bu Chen, Yuan Gao, Katja Fennel, Michael J. Follows, Allen J. Milligan, Paul Falkowski

Research output: Chapter in Book/Report/Conference proceedingChapter

9 Citations (Scopus)

Abstract

Analysis suggests that feedbacks between carbon (C), nitrogen (N), and oxygen (O) cycles helped prevent the oxidation of Earth in the Paleoproterozic. This stabilizing feedback, which was ultimately overridden, led to the contemporary nitrogen cycle where nitrate, rather than ammonium, was the stable form of fixed inorganic nitrogen in the oceans. Barring some minor changes in the trace element composition in nitrogenases, the core proteins remained essentially unchanged following the transition to an oxidized atmosphere. In the contemporary ocean, approximately 20%-30% of nitrogenase activity is inhibited at any moment in time by O2. This inhibition results in a negative feedback which constrains the upper level of O2 on Earth. Three central aspects of cyanobacterial nitrogen fixation remain curious. First, although some trace elements have been altered in the evolution of nitrogenases, the core proteins have remained virtually unchanged. Second, while there is abundant evidence of lateral transfer of nitrogenase genes between prokaryotes, in the endosymbiotic appropriation of cyanobacteria into heterotrophic hosts to photosynthetic eukaryotes, nitrogenases were lost. Third, although free-living heterocystous cyanobacteria are abundant in lakes and brackish water ecosystems, they appear to be rare in the open ocean. © 2008

Original languageEnglish (US)
Title of host publicationNitrogen in the Marine Environment
PublisherElsevier Inc.
Pages1537-1563
Number of pages27
ISBN (Print)9780123725226
DOIs
StatePublished - Dec 1 2008

Fingerprint

cyanobacterium
trace element
oxygen
protein
nitrogen cycle
nitrogen
prokaryote
carbon
ocean
inorganic nitrogen
eukaryote
nitrogen fixation
brackish water
open ocean
lake water
ammonium
nitrate
oxidation
atmosphere
gene

All Science Journal Classification (ASJC) codes

  • Agricultural and Biological Sciences(all)

Cite this

Berman-Frank, I., Chen, Y. B., Gao, Y., Fennel, K., Follows, M. J., Milligan, A. J., & Falkowski, P. (2008). Feedbacks Between the Nitrogen, Carbon and Oxygen Cycles. In Nitrogen in the Marine Environment (pp. 1537-1563). Elsevier Inc.. https://doi.org/10.1016/B978-0-12-372522-6.00035-9
Berman-Frank, Ilana ; Chen, Yi Bu ; Gao, Yuan ; Fennel, Katja ; Follows, Michael J. ; Milligan, Allen J. ; Falkowski, Paul. / Feedbacks Between the Nitrogen, Carbon and Oxygen Cycles. Nitrogen in the Marine Environment. Elsevier Inc., 2008. pp. 1537-1563
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Berman-Frank, I, Chen, YB, Gao, Y, Fennel, K, Follows, MJ, Milligan, AJ & Falkowski, P 2008, Feedbacks Between the Nitrogen, Carbon and Oxygen Cycles. in Nitrogen in the Marine Environment. Elsevier Inc., pp. 1537-1563. https://doi.org/10.1016/B978-0-12-372522-6.00035-9

Feedbacks Between the Nitrogen, Carbon and Oxygen Cycles. / Berman-Frank, Ilana; Chen, Yi Bu; Gao, Yuan; Fennel, Katja; Follows, Michael J.; Milligan, Allen J.; Falkowski, Paul.

Nitrogen in the Marine Environment. Elsevier Inc., 2008. p. 1537-1563.

Research output: Chapter in Book/Report/Conference proceedingChapter

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Berman-Frank I, Chen YB, Gao Y, Fennel K, Follows MJ, Milligan AJ et al. Feedbacks Between the Nitrogen, Carbon and Oxygen Cycles. In Nitrogen in the Marine Environment. Elsevier Inc. 2008. p. 1537-1563 https://doi.org/10.1016/B978-0-12-372522-6.00035-9