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Paleoenvironmental proxies and what the Xiamaling Formation tells us about the mid-Proterozoic ocean.

Zhang S, Wang X, Wang H, Bjerrum CJ, Hammarlund EU, Haxen ER, Wen H, Ye Y, Canfield DE.

Geobiology. 2019 May;17(3):225-246. doi: 10.1111/gbi.12337. Epub 2019 Mar 6.


Organism motility in an oxygenated shallow-marine environment 2.1 billion years ago.

El Albani A, Mangano MG, Buatois LA, Bengtson S, Riboulleau A, Bekker A, Konhauser K, Lyons T, Rollion-Bard C, Bankole O, Lekele Baghekema SG, Meunier A, Trentesaux A, Mazurier A, Aubineau J, Laforest C, Fontaine C, Recourt P, Chi Fru E, Macchiarelli R, Reynaud JY, Gauthier-Lafaye F, Canfield DE.

Proc Natl Acad Sci U S A. 2019 Feb 26;116(9):3431-3436. doi: 10.1073/pnas.1815721116. Epub 2019 Feb 11.


Rates and pathways of CH4 oxidation in ferruginous Lake Matano, Indonesia.

Sturm A, Fowle DA, Jones C, Leslie K, Nomosatryo S, Henny C, Canfield DE, Crowe SA.

Geobiology. 2019 May;17(3):294-307. doi: 10.1111/gbi.12325. Epub 2018 Dec 28.


The Sirius Passet Lagerstätte of North Greenland-A geochemical window on early Cambrian low-oxygen environments and ecosystems.

Hammarlund EU, Smith MP, Rasmussen JA, Nielsen AT, Canfield DE, Harper DAT.

Geobiology. 2019 Jan;17(1):12-26. doi: 10.1111/gbi.12315. Epub 2018 Sep 27.


The aerobic diagenesis of Mesoproterozoic organic matter.

Wang X, Zhao W, Zhang S, Wang H, Su J, Canfield DE, Hammarlund EU.

Sci Rep. 2018 Sep 6;8(1):13324. doi: 10.1038/s41598-018-31378-6.


Highly fractionated chromium isotopes in Mesoproterozoic-aged shales and atmospheric oxygen.

Canfield DE, Zhang S, Frank AB, Wang X, Wang H, Su J, Ye Y, Frei R.

Nat Commun. 2018 Jul 20;9(1):2871. doi: 10.1038/s41467-018-05263-9.


Decrypting the sulfur cycle in oceanic oxygen minimum zones.

Crowe SA, Cox RP, Jones C, Fowle DA, Santibañez-Bustos JF, Ulloa O, Canfield DE.

ISME J. 2018 Sep;12(9):2322-2329. doi: 10.1038/s41396-018-0149-2. Epub 2018 Jun 8.


A Mesoproterozoic iron formation.

Canfield DE, Zhang S, Wang H, Wang X, Zhao W, Su J, Bjerrum CJ, Haxen ER, Hammarlund EU.

Proc Natl Acad Sci U S A. 2018 Apr 24;115(17):E3895-E3904. doi: 10.1073/pnas.1720529115. Epub 2018 Apr 9.


Bioturbation and directionality in Earth's carbon isotope record across the Neoproterozoic-Cambrian transition.

Boyle RA, Dahl TW, Bjerrum CJ, Canfield DE.

Geobiology. 2018 May;16(3):252-278. doi: 10.1111/gbi.12277. Epub 2018 Mar 2.


The last common ancestor of animals lacked the HIF pathway and respired in low-oxygen environments.

Mills DB, Francis WR, Vargas S, Larsen M, Elemans CP, Canfield DE, Wörheide G.

Elife. 2018 Feb 6;7. pii: e31176. doi: 10.7554/eLife.31176.


Evidence of oxygenic phototrophy in ancient phosphatic stromatolites from the Paleoproterozoic Vindhyan and Aravalli Supergroups, India.

Sallstedt T, Bengtson S, Broman C, Crill PM, Canfield DE.

Geobiology. 2018 Mar;16(2):139-159. doi: 10.1111/gbi.12274. Epub 2018 Jan 30.


Novel anammox bacteria and nitrogen loss from Lake Superior.

Crowe SA, Treusch AH, Forth M, Li J, Magen C, Canfield DE, Thamdrup B, Katsev S.

Sci Rep. 2017 Oct 23;7(1):13757. doi: 10.1038/s41598-017-12270-1.


Carbon isotope fractionation by anoxygenic phototrophic bacteria in euxinic Lake Cadagno.

Posth NR, Bristow LA, Cox RP, Habicht KS, Danza F, Tonolla M, Frigaard NU, Canfield DE.

Geobiology. 2017 Nov;15(6):798-816. doi: 10.1111/gbi.12254. Epub 2017 Sep 3.


Factors related to Secchi depths and their stability over time as determined from a probability sample of US lakes.

Bachmann RW, Hoyer MV, Croteau AC, Canfield DE Jr.

Environ Monit Assess. 2017 May;189(5):206. doi: 10.1007/s10661-017-5911-9. Epub 2017 Apr 3.


Evidence of molybdenum association with particulate organic matter under sulfidic conditions.

Dahl TW, Chappaz A, Hoek J, McKenzie CJ, Svane S, Canfield DE.

Geobiology. 2017 Mar;15(2):311-323. doi: 10.1111/gbi.12220. Epub 2016 Dec 20.


Metabolomics Reveals Cryptic Interactive Effects of Species Interactions and Environmental Stress on Nitrogen and Sulfur Metabolism in Seagrass.

Hasler-Sheetal H, Castorani MC, Glud RN, Canfield DE, Holmer M.

Environ Sci Technol. 2016 Nov 1;50(21):11602-11609. Epub 2016 Oct 21.


A trophic framework for animal origins.

Mills DB, Canfield DE.

Geobiology. 2017 Mar;15(2):197-210. doi: 10.1111/gbi.12216. Epub 2016 Sep 29.


Ammonium and nitrite oxidation at nanomolar oxygen concentrations in oxygen minimum zone waters.

Bristow LA, Dalsgaard T, Tiano L, Mills DB, Bertagnolli AD, Wright JJ, Hallam SJ, Ulloa O, Canfield DE, Revsbech NP, Thamdrup B.

Proc Natl Acad Sci U S A. 2016 Sep 20;113(38):10601-6. doi: 10.1073/pnas.1600359113. Epub 2016 Sep 6.


Reply to Planavsky et al.: Strong evidence for high atmospheric oxygen levels 1,400 million years ago.

Zhang S, Wang X, Wang H, Bjerrum CJ, Hammarlund EU, Dahl TW, Canfield DE.

Proc Natl Acad Sci U S A. 2016 May 10;113(19):E2552-3. doi: 10.1073/pnas.1603982113. Epub 2016 Apr 20. No abstract available.


Sufficient oxygen for animal respiration 1,400 million years ago.

Zhang S, Wang X, Wang H, Bjerrum CJ, Hammarlund EU, Costa MM, Connelly JN, Zhang B, Su J, Canfield DE.

Proc Natl Acad Sci U S A. 2016 Feb 16;113(7):1731-6. doi: 10.1073/pnas.1523449113. Epub 2016 Jan 4.


Selenium isotope evidence for progressive oxidation of the Neoproterozoic biosphere.

Pogge von Strandmann PA, Stüeken EE, Elliott T, Poulton SW, Dehler CM, Canfield DE, Catling DC.

Nat Commun. 2015 Dec 18;6:10157. doi: 10.1038/ncomms10157.


Pelagic photoferrotrophy and iron cycling in a modern ferruginous basin.

Llirós M, García-Armisen T, Darchambeau F, Morana C, Triadó-Margarit X, Inceoğlu Ö, Borrego CM, Bouillon S, Servais P, Borges AV, Descy JP, Canfield DE, Crowe SA.

Sci Rep. 2015 Sep 8;5:13803. doi: 10.1038/srep13803.


LUMOS--A Sensitive and Reliable Optode System for Measuring Dissolved Oxygen in the Nanomolar Range.

Lehner P, Larndorfer C, Garcia-Robledo E, Larsen M, Borisov SM, Revsbech NP, Glud RN, Canfield DE, Klimant I.

PLoS One. 2015 Jun 1;10(6):e0128125. doi: 10.1371/journal.pone.0128125. eCollection 2015.


Orbital forcing of climate 1.4 billion years ago.

Zhang S, Wang X, Hammarlund EU, Wang H, Costa MM, Bjerrum CJ, Connelly JN, Zhang B, Bian L, Canfield DE.

Proc Natl Acad Sci U S A. 2015 Mar 24;112(12):E1406-13. doi: 10.1073/pnas.1502239112. Epub 2015 Mar 9.


Uranium isotopes distinguish two geochemically distinct stages during the later Cambrian SPICE event.

Dahl TW, Boyle RA, Canfield DE, Connelly JN, Gill BC, Lenton TM, Bizzarro M.

Earth Planet Sci Lett. 2014 Sep 1;401:313-326.


Sulfate was a trace constituent of Archean seawater.

Crowe SA, Paris G, Katsev S, Jones C, Kim ST, Zerkle AL, Nomosatryo S, Fowle DA, Adkins JF, Sessions AL, Farquhar J, Canfield DE.

Science. 2014 Nov 7;346(6210):735-9. doi: 10.1126/science.1258966.


Oxygen at nanomolar levels reversibly suppresses process rates and gene expression in anammox and denitrification in the oxygen minimum zone off northern Chile.

Dalsgaard T, Stewart FJ, Thamdrup B, De Brabandere L, Revsbech NP, Ulloa O, Canfield DE, DeLong EF.

MBio. 2014 Oct 28;5(6):e01966. doi: 10.1128/mBio.01966-14.


Oxygen and animal evolution: did a rise of atmospheric oxygen "trigger" the origin of animals?

Mills DB, Canfield DE.

Bioessays. 2014 Dec;36(12):1145-55. doi: 10.1002/bies.201400101. Epub 2014 Sep 22.


The 2.1 Ga old Francevillian biota: biogenicity, taphonomy and biodiversity.

El Albani A, Bengtson S, Canfield DE, Riboulleau A, Rollion Bard C, Macchiarelli R, Ngombi Pemba L, Hammarlund E, Meunier A, Moubiya Mouele I, Benzerara K, Bernard S, Boulvais P, Chaussidon M, Cesari C, Fontaine C, Chi-Fru E, Garcia Ruiz JM, Gauthier-Lafaye F, Mazurier A, Pierson-Wickmann AC, Rouxel O, Trentesaux A, Vecoli M, Versteegh GJ, White L, Whitehouse M, Bekker A.

PLoS One. 2014 Jun 25;9(6):e99438. doi: 10.1371/journal.pone.0099438. eCollection 2014.


Deep-water anoxygenic photosythesis in a ferruginous chemocline.

Crowe SA, Maresca JA, Jones C, Sturm A, Henny C, Fowle DA, Cox RP, Delong EF, Canfield DE.

Geobiology. 2014 Jul;12(4):322-39. doi: 10.1111/gbi.12089.


A model-based insight into the coupling of nitrogen and sulfur cycles in a coastal upwelling system.

Azhar MA, Canfield DE, Fennel K, Thamdrup B, Bjerrum CJ.

J Geophys Res Biogeosci. 2014 Mar;119(3):264-285. Epub 2014 Mar 19.


Oxygen requirements of the earliest animals.

Mills DB, Ward LM, Jones C, Sweeten B, Forth M, Treusch AH, Canfield DE.

Proc Natl Acad Sci U S A. 2014 Mar 18;111(11):4168-72. doi: 10.1073/pnas.1400547111. Epub 2014 Feb 18.


Vertical partitioning of nitrogen-loss processes across the oxic-anoxic interface of an oceanic oxygen minimum zone.

De Brabandere L, Canfield DE, Dalsgaard T, Friederich GE, Revsbech NP, Ulloa O, Thamdrup B.

Environ Microbiol. 2014 Oct;16(10):3041-54. doi: 10.1111/1462-2920.12255. Epub 2013 Sep 30.


Oxygen dynamics in the aftermath of the Great Oxidation of Earth's atmosphere.

Canfield DE, Ngombi-Pemba L, Hammarlund EU, Bengtson S, Chaussidon M, Gauthier-Lafaye F, Meunier A, Riboulleau A, Rollion-Bard C, Rouxel O, Asael D, Pierson-Wickmann AC, El Albani A.

Proc Natl Acad Sci U S A. 2013 Oct 15;110(42):16736-41. doi: 10.1073/pnas.1315570110. Epub 2013 Sep 30.


Atmospheric oxygenation three billion years ago.

Crowe SA, Døssing LN, Beukes NJ, Bau M, Kruger SJ, Frei R, Canfield DE.

Nature. 2013 Sep 26;501(7468):535-8. doi: 10.1038/nature12426.


Sulfur isotopes in coal constrain the evolution of the Phanerozoic sulfur cycle.

Canfield DE.

Proc Natl Acad Sci U S A. 2013 May 21;110(21):8443-6. doi: 10.1073/pnas.1306450110. Epub 2013 May 6.


Nitrogen cycle feedbacks as a control on euxinia in the mid-Proterozoic ocean.

Boyle RA, Clark JR, Poulton SW, Shields-Zhou G, Canfield DE, Lenton TM.

Nat Commun. 2013;4:1533. doi: 10.1038/ncomms2511.


Geochemistry. Carbon cycle makeover.

Canfield DE, Kump LR.

Science. 2013 Feb 1;339(6119):533-4. doi: 10.1126/science.1231981. No abstract available.


Microbial oceanography of anoxic oxygen minimum zones.

Ulloa O, Canfield DE, DeLong EF, Letelier RM, Stewart FJ.

Proc Natl Acad Sci U S A. 2012 Oct 2;109(40):15996-6003. doi: 10.1073/pnas.1205009109. Epub 2012 Sep 11. Review.


Experimental incubations elicit profound changes in community transcription in OMZ bacterioplankton.

Stewart FJ, Dalsgaard T, Young CR, Thamdrup B, Revsbech NP, Ulloa O, Canfield DE, Delong EF.

PLoS One. 2012;7(5):e37118. doi: 10.1371/journal.pone.0037118. Epub 2012 May 16.


Mechanism for Burgess Shale-type preservation.

Gaines RR, Hammarlund EU, Hou X, Qi C, Gabbott SE, Zhao Y, Peng J, Canfield DE.

Proc Natl Acad Sci U S A. 2012 Apr 3;109(14):5180-4. doi: 10.1073/pnas.1111784109. Epub 2012 Mar 5.


Towards a quantitative understanding of the late Neoproterozoic carbon cycle.

Bjerrum CJ, Canfield DE.

Proc Natl Acad Sci U S A. 2011 Apr 5;108(14):5542-7. doi: 10.1073/pnas.1101755108. Epub 2011 Mar 21.


Construction of STOX oxygen sensors and their application for determination of O2 concentrations in oxygen minimum zones.

Revsbech NP, Thamdrup B, Dalsgaard T, Canfield DE.

Methods Enzymol. 2011;486:325-41. doi: 10.1016/B978-0-12-381294-0.00014-6.


A cryptic sulfur cycle in oxygen-minimum-zone waters off the Chilean coast.

Canfield DE, Stewart FJ, Thamdrup B, De Brabandere L, Dalsgaard T, Delong EF, Revsbech NP, Ulloa O.

Science. 2010 Dec 3;330(6009):1375-8. doi: 10.1126/science.1196889. Epub 2010 Nov 11.


Aerobic growth at nanomolar oxygen concentrations.

Stolper DA, Revsbech NP, Canfield DE.

Proc Natl Acad Sci U S A. 2010 Nov 2;107(44):18755-60. doi: 10.1073/pnas.1013435107. Epub 2010 Oct 25.


Increased accumulation of sulfur in lake sediments of the high arctic.

Drevnick PE, Muir DC, Lamborg CH, Horgan MJ, Canfield DE, Boyle JF, Rose NL.

Environ Sci Technol. 2010 Nov 15;44(22):8415-21. doi: 10.1021/es101991p.


The evolution and future of Earth's nitrogen cycle.

Canfield DE, Glazer AN, Falkowski PG.

Science. 2010 Oct 8;330(6001):192-6. doi: 10.1126/science.1186120. Review.


Devonian rise in atmospheric oxygen correlated to the radiations of terrestrial plants and large predatory fish.

Dahl TW, Hammarlund EU, Anbar AD, Bond DP, Gill BC, Gordon GW, Knoll AH, Nielsen AT, Schovsbo NH, Canfield DE.

Proc Natl Acad Sci U S A. 2010 Oct 19;107(42):17911-5. doi: 10.1073/pnas.1011287107. Epub 2010 Sep 30.


Large colonial organisms with coordinated growth in oxygenated environments 2.1 Gyr ago.

El Albani A, Bengtson S, Canfield DE, Bekker A, Macchiarelli R, Mazurier A, Hammarlund EU, Boulvais P, Dupuy JJ, Fontaine C, Fürsich FT, Gauthier-Lafaye F, Janvier P, Javaux E, Ossa FO, Pierson-Wickmann AC, Riboulleau A, Sardini P, Vachard D, Whitehouse M, Meunier A.

Nature. 2010 Jul 1;466(7302):100-4. doi: 10.1038/nature09166.


Climate change and the integrity of science.

Gleick PH, Adams RM, Amasino RM, Anders E, Anderson DJ, Anderson WW, Anselin LE, Arroyo MK, Asfaw B, Ayala FJ, Bax A, Bebbington AJ, Bell G, Bennett MV, Bennetzen JL, Berenbaum MR, Berlin OB, Bjorkman PJ, Blackburn E, Blamont JE, Botchan MR, Boyer JS, Boyle EA, Branton D, Briggs SP, Briggs WR, Brill WJ, Britten RJ, Broecker WS, Brown JH, Brown PO, Brunger AT, Cairns J Jr, Canfield DE, Carpenter SR, Carrington JC, Cashmore AR, Castilla JC, Cazenave A, Chapin FS 3rd, Ciechanover AJ, Clapham DE, Clark WC, Clayton RN, Coe MD, Conwell EM, Cowling EB, Cowling RM, Cox CS, Croteau RB, Crothers DM, Crutzen PJ, Daily GC, Dalrymple GB, Dangl JL, Darst SA, Davies DR, Davis MB, De Camilli PV, Dean C, DeFries RS, Deisenhofer J, Delmer DP, DeLong EF, DeRosier DJ, Diener TO, Dirzo R, Dixon JE, Donoghue MJ, Doolittle RF, Dunne T, Ehrlich PR, Eisenstadt SN, Eisner T, Emanuel KA, Englander SW, Ernst WG, Falkowski PG, Feher G, Ferejohn JA, Fersht A, Fischer EH, Fischer R, Flannery KV, Frank J, Frey PA, Fridovich I, Frieden C, Futuyma DJ, Gardner WR, Garrett CJ, Gilbert W, Goldberg RB, Goodenough WH, Goodman CS, Goodman M, Greengard P, Hake S, Hammel G, Hanson S, Harrison SC, Hart SR, Hartl DL, Haselkorn R, Hawkes K, Hayes JM, Hille B, Hökfelt T, House JS, Hout M, Hunten DM, Izquierdo IA, Jagendorf AT, Janzen DH, Jeanloz R, Jencks CS, Jury WA, Kaback HR, Kailath T, Kay P, Kay SA, Kennedy D, Kerr A, Kessler RC, Khush GS, Kieffer SW, Kirch PV, Kirk K, Kivelson MG, Klinman JP, Klug A, Knopoff L, Kornberg H, Kutzbach JE, Lagarias JC, Lambeck K, Landy A, Langmuir CH, Larkins BA, Le Pichon XT, Lenski RE, Leopold EB, Levin SA, Levitt M, Likens GE, Lippincott-Schwartz J, Lorand L, Lovejoy CO, Lynch M, Mabogunje AL, Malone TF, Manabe S, Marcus J, Massey DS, McWilliams JC, Medina E, Melosh HJ, Meltzer DJ, Michener CD, Miles EL, Mooney HA, Moore PB, Morel FM, Mosley-Thompson ES, Moss B, Munk WH, Myers N, Nair GB, Nathans J, Nester EW, Nicoll RA, Novick RP, O'Connell JF, Olsen PE, Opdyke ND, Oster GF, Ostrom E, Pace NR, Paine RT, Palmiter RD, Pedlosky J, Petsko GA, Pettengill GH, Philander SG, Piperno DR, Pollard TD, Price PB Jr, Reichard PA, Reskin BF, Ricklefs RE, Rivest RL, Roberts JD, Romney AK, Rossmann MG, Russell DW, Rutter WJ, Sabloff JA, Sagdeev RZ, Sahlins MD, Salmond A, Sanes JR, Schekman R, Schellnhuber J, Schindler DW, Schmitt J, Schneider SH, Schramm VL, Sederoff RR, Shatz CJ, Sherman F, Sidman RL, Sieh K, Simons EL, Singer BH, Singer MF, Skyrms B, Sleep NH, Smith BD, Snyder SH, Sokal RR, Spencer CS, Steitz TA, Strier KB, Südhof TC, Taylor SS, Terborgh J, Thomas DH, Thompson LG, Tjian RT, Turner MG, Uyeda S, Valentine JW, Valentine JS, Van Etten JL, van Holde KE, Vaughan M, Verba S, von Hippel PH, Wake DB, Walker A, Walker JE, Watson EB, Watson PJ, Weigel D, Wessler SR, West-Eberhard MJ, White TD, Wilson WJ, Wolfenden RV, Wood JA, Woodwell GM, Wright HE Jr, Wu C, Wunsch C, Zoback ML.

Science. 2010 May 7;328(5979):689-90. doi: 10.1126/science.328.5979.689. No abstract available. Erratum in: Science. 2010 May 14;328(5980):826.

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