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Geochemical and Metagenomic Characterization of Jinata Onsen, a Proterozoic-Analog Hot Spring, Reveals Novel Microbial Diversity including Iron-Tolerant Phototrophs and Thermophilic Lithotrophs.

Ward LM, Idei A, Nakagawa M, Ueno Y, Fischer WW, McGlynn SE.

Microbes Environ. 2019 Sep 25;34(3):278-292. doi: 10.1264/jsme2.ME19017. Epub 2019 Aug 14.


How did life come to tolerate and thrive in an oxygenated world?

Fischer WW, Valentine JS.

Free Radic Biol Med. 2019 Aug 20;140:1-3. doi: 10.1016/j.freeradbiomed.2019.07.021. Epub 2019 Jul 22.


Follow the Oxygen: Comparative Histories of Planetary Oxygenation and Opportunities for Aerobic Life.

Ward LM, Stamenković V, Hand K, Fischer WW.

Astrobiology. 2019 Jun;19(6):811-824. doi: 10.1089/ast.2017.1779.


Low-gradient, single-threaded rivers prior to greening of the continents.

Ganti V, Whittaker AC, Lamb MP, Fischer WW.

Proc Natl Acad Sci U S A. 2019 Jun 11;116(24):11652-11657. doi: 10.1073/pnas.1901642116. Epub 2019 May 22.


How manganese empowered life with dioxygen (and vice versa).

Lingappa UF, Monteverde DR, Magyar JS, Valentine JS, Fischer WW.

Free Radic Biol Med. 2019 Aug 20;140:113-125. doi: 10.1016/j.freeradbiomed.2019.01.036. Epub 2019 Feb 7. Review.


Bacterial diversification through geological time.

Louca S, Shih PM, Pennell MW, Fischer WW, Parfrey LW, Doebeli M.

Nat Ecol Evol. 2018 Sep;2(9):1458-1467. doi: 10.1038/s41559-018-0625-0. Epub 2018 Jul 30.


Convergent evolution of unusual complex I homologs with increased proton pumping capacity: energetic and ecological implications.

Chadwick GL, Hemp J, Fischer WW, Orphan VJ.

ISME J. 2018 Nov;12(11):2668-2680. doi: 10.1038/s41396-018-0210-1. Epub 2018 Jul 10.


MetaPOAP: presence or absence of metabolic pathways in metagenome-assembled genomes.

Ward LM, Shih PM, Fischer WW.

Bioinformatics. 2018 Dec 15;34(24):4284-4286. doi: 10.1093/bioinformatics/bty510.


Draft Genome Sequence of a Divergent Anaerobic Member of the Chloroflexi Class Ardenticatenia from a Sulfidic Hot Spring.

Ward LM, McGlynn SE, Fischer WW.

Genome Announc. 2018 Jun 21;6(25). pii: e00571-18. doi: 10.1128/genomeA.00571-18.


Draft Genome Sequences of Two Basal Members of the Anaerolineae Class of Chloroflexi from a Sulfidic Hot Spring.

Ward LM, McGlynn SE, Fischer WW.

Genome Announc. 2018 Jun 21;6(25). pii: e00570-18. doi: 10.1128/genomeA.00570-18.


Evolution of Phototrophy in the Chloroflexi Phylum Driven by Horizontal Gene Transfer.

Ward LM, Hemp J, Shih PM, McGlynn SE, Fischer WW.

Front Microbiol. 2018 Feb 19;9:260. doi: 10.3389/fmicb.2018.00260. eCollection 2018.


Sedimentary processes of the Bagnold Dunes: Implications for the eolian rock record of Mars.

Ewing RC, Lapotre MGA, Lewis KW, Day M, Stein N, Rubin DM, Sullivan R, Banham S, Lamb MP, Bridges NT, Gupta S, Fischer WW.

J Geophys Res Planets. 2017 Dec;122(12):2544-2573. doi: 10.1002/2017JE005324. Epub 2017 Dec 7.


Early plants and the rise of mud.

Fischer WW.

Science. 2018 Mar 2;359(6379):994-995. doi: 10.1126/science.aas9886. No abstract available.


Microbial diversity and iron oxidation at Okuoku-hachikurou Onsen, a Japanese hot spring analog of Precambrian iron formations.

Ward LM, Idei A, Terajima S, Kakegawa T, Fischer WW, McGlynn SE.

Geobiology. 2017 Nov;15(6):817-835. doi: 10.1111/gbi.12266.


Draft Genome Sequence of Chloracidobacterium sp. CP2_5A, a Phototrophic Member of the Phylum Acidobacteria Recovered from a Japanese Hot Spring.

Ward LM, McGlynn SE, Fischer WW.

Genome Announc. 2017 Oct 5;5(40). pii: e00821-17. doi: 10.1128/genomeA.00821-17.


Draft Genome Sequences of a Novel Lineage of Armatimonadetes Recovered from Japanese Hot Springs.

Ward LM, McGlynn SE, Fischer WW.

Genome Announc. 2017 Oct 5;5(40). pii: e00820-17. doi: 10.1128/genomeA.00820-17.


Evolution of the 3-hydroxypropionate bicycle and recent transfer of anoxygenic photosynthesis into the Chloroflexi.

Shih PM, Ward LM, Fischer WW.

Proc Natl Acad Sci U S A. 2017 Oct 3;114(40):10749-10754. doi: 10.1073/pnas.1710798114. Epub 2017 Sep 18.


Redox stratification of an ancient lake in Gale crater, Mars.

Hurowitz JA, Grotzinger JP, Fischer WW, McLennan SM, Milliken RE, Stein N, Vasavada AR, Blake DF, Dehouck E, Eigenbrode JL, Fairén AG, Frydenvang J, Gellert R, Grant JA, Gupta S, Herkenhoff KE, Ming DW, Rampe EB, Schmidt ME, Siebach KL, Stack-Morgan K, Sumner DY, Wiens RC.

Science. 2017 Jun 2;356(6341). pii: eaah6849. doi: 10.1126/science.aah6849. Epub 2017 Jun 1.


On the origins of oxygenic photosynthesis and aerobic respiration in Cyanobacteria.

Soo RM, Hemp J, Parks DH, Fischer WW, Hugenholtz P.

Science. 2017 Mar 31;355(6332):1436-1440. doi: 10.1126/science.aal3794.


Draft Genome Sequence of Hydrogenibacillus schlegelii MA48, a Deep-Branching Member of the Bacilli Class of Firmicutes.

Maker A, Hemp J, Pace LA, Ward LM, Fischer WW.

Genome Announc. 2017 Jan 19;5(3). pii: e00380-16. doi: 10.1128/genomeA.00380-16.


Evolution of the global phosphorus cycle.

Reinhard CT, Planavsky NJ, Gill BC, Ozaki K, Robbins LJ, Lyons TW, Fischer WW, Wang C, Cole DB, Konhauser KO.

Nature. 2017 Jan 19;541(7637):386-389. doi: 10.1038/nature20772. Epub 2016 Dec 21.


Genomics of a phototrophic nitrite oxidizer: insights into the evolution of photosynthesis and nitrification.

Hemp J, Lücker S, Schott J, Pace LA, Johnson JE, Schink B, Daims H, Fischer WW.

ISME J. 2016 Nov;10(11):2669-2678. doi: 10.1038/ismej.2016.56. Epub 2016 Apr 19.


Time scale bias in erosion rates of glaciated landscapes.

Ganti V, von Hagke C, Scherler D, Lamb MP, Fischer WW, Avouac JP.

Sci Adv. 2016 Oct 5;2(10):e1600204. eCollection 2016 Oct.


Crown group Oxyphotobacteria postdate the rise of oxygen.

Shih PM, Hemp J, Ward LM, Matzke NJ, Fischer WW.

Geobiology. 2017 Jan;15(1):19-29. doi: 10.1111/gbi.12200. Epub 2016 Jul 8.


Large wind ripples on Mars: A record of atmospheric evolution.

Lapotre MG, Ewing RC, Lamb MP, Fischer WW, Grotzinger JP, Rubin DM, Lewis KW, Ballard MJ, Day M, Gupta S, Banham SG, Bridges NT, Des Marais DJ, Fraeman AA, Grant JA, Herkenhoff KE, Ming DW, Mischna MA, Rice MS, Sumner DY, Vasavada AR, Yingst RA.

Science. 2016 Jul 1;353(6294):55-8. doi: 10.1126/science.aaf3206. Erratum in: Science. 2016 Dec 2;354(6316):null. Sumner DA [corrected to Sumner DY].


How did life survive Earth's great oxygenation?

Fischer WW, Hemp J, Valentine JS.

Curr Opin Chem Biol. 2016 Apr;31:166-78. doi: 10.1016/j.cbpa.2016.03.013. Epub 2016 Apr 1. Review.


Real-Time Manganese Phase Dynamics during Biological and Abiotic Manganese Oxide Reduction.

Johnson JE, Savalia P, Davis R, Kocar BD, Webb SM, Nealson KH, Fischer WW.

Environ Sci Technol. 2016 Apr 19;50(8):4248-58. doi: 10.1021/acs.est.5b04834. Epub 2016 Mar 28.


Breathing room for early animals.

Fischer WW.

Proc Natl Acad Sci U S A. 2016 Feb 16;113(7):1686-8. doi: 10.1073/pnas.1525100113. Epub 2016 Feb 3. No abstract available.


Draft Genome Sequence of Levilinea saccharolytica KIBI-1, a Member of the Chloroflexi Class Anaerolineae.

Hemp J, Ward LM, Pace LA, Fischer WW.

Genome Announc. 2015 Nov 19;3(6). pii: e01357-15. doi: 10.1128/genomeA.01357-15.


Draft Genome Sequence of Leptolinea tardivitalis YMTK-2, a Mesophilic Anaerobe from the Chloroflexi Class Anaerolineae.

Ward LM, Hemp J, Pace LA, Fischer WW.

Genome Announc. 2015 Nov 19;3(6). pii: e01356-15. doi: 10.1128/genomeA.01356-15.


Draft Genome of Thermanaerothrix daxensis GNS-1, a Thermophilic Facultative Anaerobe from the Chloroflexi Class Anaerolineae.

Pace LA, Hemp J, Ward LM, Fischer WW.

Genome Announc. 2015 Nov 19;3(6). pii: e01354-15. doi: 10.1128/genomeA.01354-15.


Draft Genome Sequence of Ornatilinea apprima P3M-1, an Anaerobic Member of the Chloroflexi Class Anaerolineae.

Hemp J, Ward LM, Pace LA, Fischer WW.

Genome Announc. 2015 Nov 19;3(6). pii: e01353-15. doi: 10.1128/genomeA.01353-15.


Draft Genome Sequence of Herpetosiphon geysericola GC-42, a Nonphototrophic Member of the Chloroflexi Class Chloroflexia.

Ward LM, Hemp J, Pace LA, Fischer WW.

Genome Announc. 2015 Nov 19;3(6). pii: e01352-15. doi: 10.1128/genomeA.01352-15.


Draft Genome Sequence of Ardenticatena maritima 110S, a Thermophilic Nitrate- and Iron-Reducing Member of the Chloroflexi Class Ardenticatenia.

Hemp J, Ward LM, Pace LA, Fischer WW.

Genome Announc. 2015 Nov 19;3(6). pii: e01347-15. doi: 10.1128/genomeA.01347-15.


Timescales of Oxygenation Following the Evolution of Oxygenic Photosynthesis.

Ward LM, Kirschvink JL, Fischer WW.

Orig Life Evol Biosph. 2016 Mar;46(1):51-65. doi: 10.1007/s11084-015-9460-3. Epub 2015 Aug 19.


Manganese and the Evolution of Photosynthesis.

Fischer WW, Hemp J, Johnson JE.

Orig Life Evol Biosph. 2015 Sep;45(3):351-7. doi: 10.1007/s11084-015-9442-5. Epub 2015 May 29.


Four hundred million years of silica biomineralization in land plants.

Trembath-Reichert E, Wilson JP, McGlynn SE, Fischer WW.

Proc Natl Acad Sci U S A. 2015 Apr 28;112(17):5449-54. doi: 10.1073/pnas.1500289112. Epub 2015 Mar 30.


Neoarchean carbonate-associated sulfate records positive Δ³³S anomalies.

Paris G, Adkins JF, Sessions AL, Webb SM, Fischer WW.

Science. 2014 Nov 7;346(6210):739-41. doi: 10.1126/science.1258211.


Earth history. Low mid-Proterozoic atmospheric oxygen levels and the delayed rise of animals.

Planavsky NJ, Reinhard CT, Wang X, Thomson D, McGoldrick P, Rainbird RH, Johnson T, Fischer WW, Lyons TW.

Science. 2014 Oct 31;346(6209):635-8. doi: 10.1126/science.1258410.


SQUID-SIMS is a useful approach to uncover primary signals in the Archean sulfur cycle.

Fischer WW, Fike DA, Johnson JE, Raub TD, Guan Y, Kirschvink JL, Eiler JM.

Proc Natl Acad Sci U S A. 2014 Apr 15;111(15):5468-73. doi: 10.1073/pnas.1322577111. Epub 2014 Apr 1.


Probing the subcellular localization of hopanoid lipids in bacteria using NanoSIMS.

Doughty DM, Dieterle M, Sessions AL, Fischer WW, Newman DK.

PLoS One. 2014 Jan 7;9(1):e84455. doi: 10.1371/journal.pone.0084455. eCollection 2014.


Reply to Jones and Crowe: Correcting mistaken views of sedimentary geology, Mn-oxidation rates, and molecular clocks.

Johnson JE, Webb SM, Thomas K, Ono S, Kirschvink JL, Fischer WW.

Proc Natl Acad Sci U S A. 2013 Oct 29;110(44):E4119-20. No abstract available.


Manganese-oxidizing photosynthesis before the rise of cyanobacteria.

Johnson JE, Webb SM, Thomas K, Ono S, Kirschvink JL, Fischer WW.

Proc Natl Acad Sci U S A. 2013 Jul 9;110(28):11238-43. doi: 10.1073/pnas.1305530110. Epub 2013 Jun 24.


Carbon isotopes and lipid biomarkers from organic-rich facies of the Shuram Formation, Sultanate of Oman.

Lee C, Fike DA, Love GD, Sessions AL, Grotzinger JP, Summons RE, Fischer WW.

Geobiology. 2013 Sep;11(5):406-19. doi: 10.1111/gbi.12045. Epub 2013 Jun 20.


Sulfur isotopes of organic matter preserved in 3.45-billion-year-old stromatolites reveal microbial metabolism.

Bontognali TR, Sessions AL, Allwood AC, Fischer WW, Grotzinger JP, Summons RE, Eiler JM.

Proc Natl Acad Sci U S A. 2012 Sep 18;109(38):15146-51. Epub 2012 Sep 4.


Sulfate burial constraints on the Phanerozoic sulfur cycle.

Halevy I, Peters SE, Fischer WW.

Science. 2012 Jul 20;337(6092):331-4. doi: 10.1126/science.1220224.


Climate change and the selective signature of the Late Ordovician mass extinction.

Finnegan S, Heim NA, Peters SE, Fischer WW.

Proc Natl Acad Sci U S A. 2012 May 1;109(18):6829-34. doi: 10.1073/pnas.1117039109. Epub 2012 Apr 17.


Carbonates in the Martian meteorite Allan Hills 84001 formed at 18 +/- 4 degrees C in a near-surface aqueous environment.

Halevy I, Fischer WW, Eiler JM.

Proc Natl Acad Sci U S A. 2011 Oct 11;108(41):16895-9. doi: 10.1073/pnas.1109444108. Epub 2011 Oct 3.


The magnitude and duration of Late Ordovician-Early Silurian glaciation.

Finnegan S, Bergmann K, Eiler JM, Jones DS, Fike DA, Eisenman I, Hughes NC, Tripati AK, Fischer WW.

Science. 2011 Feb 18;331(6019):903-6. doi: 10.1126/science.1200803. Epub 2011 Jan 27.


Hydraulics of Asteroxylon mackei, an early Devonian vascular plant, and the early evolution of water transport tissue in terrestrial plants.

Wilson JP, Fischer WW.

Geobiology. 2011 Mar;9(2):121-30. doi: 10.1111/j.1472-4669.2010.00269.x. Epub 2011 Jan 19.


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