Effects of environmental parameters on the formation and turnover of acetate by forest soils.

Applied and Environmental Microbiology
Kirsten Küsel, Harold L Drake

Abstract

The capacity to form acetate from endogenous matter was a common property of diverse forest soils when incubated under anaerobic conditions. At 15 to 20(deg)C, acetate synthesis occurred without appreciable delay when forest soils were incubated as buffered suspensions or in microcosms at various percentages of their maximum water holding capacity. Rates for acetate formation with soil suspensions ranged from 35 to 220 (mu)g of acetate per g (dry weight) of soil per 24 h, and maximal acetate concentrations obtained in soil suspensions were two- to threefold greater than those obtained with soil microcosms at the average water holding capacity of the soil. Cellobiose degradation in soil suspensions yielded H(inf2) as a transient product. Under anaerobic conditions, supplemental H(inf2) and CO(inf2) were directed towards the acetogenic synthesis of acetate, and enrichments yielded a syringate-H(inf2)-consuming acetogenic consortium. At in situ temperatures, acetate was a relatively stable anaerobic end product; however, extended incubation periods induced acetoclastic methanogenesis and sulfate reduction. Higher mesophilic and thermophilic temperatures greatly enhanced the capacity of soils to form methane. Although methanogenic ...Continue Reading

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Citations

Feb 2, 2002·Applied and Environmental Microbiology·Arno KarnholzHarold L Drake
Oct 25, 2006·FEMS Microbiology Ecology·Gary M King
Oct 24, 2007·FEMS Microbiology Ecology·Alla N NozhevnikovaChristof Holliger
Apr 2, 2008·Applied and Environmental Microbiology·Alexandra HambergerHarold L Drake
May 21, 2009·FEMS Microbiology Ecology·Daniela M DegelmannHarold L Drake
Dec 22, 2009·Applied and Environmental Microbiology·Katharina PalmerMarcus A Horn
Mar 10, 2011·FEMS Microbiology Ecology·Adam S WieczorekSteffen Kolb
Apr 12, 2011·Applied and Environmental Microbiology·Sindy HungerHarold L Drake
Apr 26, 2011·Applied and Environmental Microbiology·M Tanvir RahmanJ Colin Murrell
Jul 12, 2011·Applied and Environmental Microbiology·Stefanie SchellenbergerSteffen Kolb
Nov 22, 2011·FEMS Microbiology Letters·Stefanie SchellenbergerSteffen Kolb
Feb 22, 2012·Applied and Environmental Microbiology·Peter S Depkat-JakobHarold L Drake
May 13, 2014·Environmental Microbiology·Oliver SchmidtHarold L Drake
Jul 19, 2002·Environmental Microbiology·Kirsten KüselHarold L Drake
Nov 17, 2004·International Journal of Systematic and Evolutionary Microbiology·Souichiro KatoYasuo Igarashi
Feb 7, 2003·Applied and Environmental Microbiology·Hamadi I Boga, Andreas Brune
Apr 7, 2010·Applied and Environmental Microbiology·Jana SitteKirsten Küsel
Nov 23, 2006·FEMS Microbiology Ecology·Silvia Schnurr-PützKirsten Küsel
Jan 7, 2003·Applied and Environmental Microbiology·Marcus A HornHarold L Drake
Jun 19, 2008·FEMS Microbiology Ecology·Marco ReicheKirsten Küsel
Jul 1, 2002·FEMS Microbiology Ecology·Frank ReithKirsten Küsel
Dec 18, 2007·Applied and Environmental Microbiology·Marco BlötheKirsten Küsel
Jan 7, 2010·Environmental Microbiology·Stefanie SchellenbergerHarold L Drake
Feb 19, 2009·Environmental Microbiology·Pia K WüstHarold L Drake
Apr 17, 2015·FEMS Microbiology Ecology·Sindy HungerHarold L Drake
May 3, 2007·Environmental Microbiology·Achim SchmalenbergerKirsten Küsel
Apr 1, 2002·FEMS Microbiology Ecology·Kirsten KüselHarold L Drake
Jul 9, 2010·The ISME Journal·Pia K WüstHarold L Drake
Mar 22, 2016·Environmental Microbiology·Sindy HungerHarold L Drake
Mar 13, 2012·FEMS Microbiology Ecology·Anke HädrichKirsten Küsel
Feb 10, 2021·The ISME Journal·Sayalee JoshiAnca G Delgado
Jul 31, 1999·Applied and Environmental Microbiology·D RosencrantzP H Janssen

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