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Symbiotic unicellular cyanobacteria fix nitrogen in the Arctic Ocean.
Harding K, Turk-Kubo KA, Sipler RE, Mills MM, Bronk DA, Zehr JP. Harding K, et al. Among authors: sipler re. Proc Natl Acad Sci U S A. 2018 Dec 26;115(52):13371-13375. doi: 10.1073/pnas.1813658115. Epub 2018 Dec 11. Proc Natl Acad Sci U S A. 2018. PMID: 30538206 Free PMC article.
Phytoplankton-bacterial interactions mediate micronutrient colimitation at the coastal Antarctic sea ice edge.
Bertrand EM, McCrow JP, Moustafa A, Zheng H, McQuaid JB, Delmont TO, Post AF, Sipler RE, Spackeen JL, Xu K, Bronk DA, Hutchins DA, Allen AE. Bertrand EM, et al. Among authors: sipler re. Proc Natl Acad Sci U S A. 2015 Aug 11;112(32):9938-43. doi: 10.1073/pnas.1501615112. Epub 2015 Jul 28. Proc Natl Acad Sci U S A. 2015. PMID: 26221022 Free PMC article.
Molecular-level characterization of reactive and refractory dissolved natural organic nitrogen compounds by atmospheric pressure photoionization coupled to Fourier transform ion cyclotron resonance mass spectrometry.
Osborne DM, Podgorski DC, Bronk DA, Roberts Q, Sipler RE, Austin D, Bays JS, Cooper WT. Osborne DM, et al. Among authors: sipler re. Rapid Commun Mass Spectrom. 2013 Apr 30;27(8):851-8. doi: 10.1002/rcm.6521. Rapid Commun Mass Spectrom. 2013. PMID: 23495054