PMID: 9546186Apr 18, 1998Paper

Recovery of humic-reducing bacteria from a diversity of environments

Applied and Environmental Microbiology
J D CoatesD R Lovley

Abstract

To evaluate which microorganisms might be responsible for microbial reduction of humic substances in sedimentary environments, humic-reducing bacteria were isolated from a variety of sediment types. These included lake sediments, pristine and contaminated wetland sediments, and marine sediments. In each of the sediment types, all of the humic reducers recovered with acetate as the electron donor and the humic substance analog, 2,6-anthraquinone disulfonate (AQDS), as the electron acceptor were members of the family Geobacteraceae. This was true whether the AQDS-reducing bacteria were enriched prior to isolation on solid media or were recovered from the highest positive dilutions of sediments in liquid media. All of the isolates tested not only conserved energy to support growth from acetate oxidation coupled to AQDS reduction but also could oxidize acetate with highly purified soil humic acids as the sole electron acceptor. All of the isolates tested were also able to grow with Fe(III) serving as the sole electron acceptor. This is consistent with previous studies that have suggested that the capacity for Fe(III) reduction is a common feature of all members of the Geobacteraceae. These studies demonstrate that the potential for...Continue Reading

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Citations

May 16, 2000·Nature·D K Newman, R Kolter
Feb 24, 2001·Environmental Microbiology·D R LovleyE L Blunt-Harris
Sep 26, 2001·Applied and Environmental Microbiology·F J CervantesJ A Field
Apr 27, 2002·Applied and Environmental Microbiology·John D CoatesLaurie A Achenbach
Jan 1, 2013·Applied and Environmental Microbiology·Dawn E HolmesDerek R Lovley
Feb 2, 2000·Applied and Environmental Microbiology·C A FrancisB M Tebo
Oct 31, 1998·Applied and Environmental Microbiology·M BenzA Brune
Jun 6, 2003·Applied and Environmental Microbiology·R MargesinL G Whyte
Jun 10, 2008·Chemical Communications : Chem Comm·Masanori AdachiAkiko Miya
Oct 6, 2006·Applied and Environmental Microbiology·Ashvini Chauhan, Andrew Ogram
Nov 8, 2012·Applied Microbiology and Biotechnology·Guangfei LiuHong Lv
Jan 1, 2014·FEMS Microbiology Ecology·Shungui ZhouLi Zhuang
Dec 25, 2012·International Journal of Systematic and Evolutionary Microbiology·Shungui ZhouPei Hu
Oct 21, 2014·Nature Reviews. Microbiology·Emily D MeltonAndreas Kappler
Jan 9, 2018·Environmental Technology·Arturo Cadena RamírezJorge Gómez Hernández
Apr 23, 2002·Environmental Microbiology·Francisco J CervantesJim A Field
Sep 26, 2001·Applied and Environmental Microbiology·W F RölingH W van Verseveld
Jun 22, 2007·Molecular Microbiology·Jeffrey A Gralnick, Dianne K Newman
May 6, 2008·Applied and Environmental Microbiology·Erick CardenasJames M Tiedje
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Jan 1, 2004·FEMS Microbiology Ecology·Andreas KapplerAndreas Brune
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Mar 7, 2014·FEMS Microbiology Ecology·Omneya A OsmanStefan Bertilsson
Jan 5, 2000·Applied and Environmental Microbiology·D E CummingsR F Rosenzweig

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