Acetogenic capacities and the anaerobic turnover of carbon in a kansas prairie soil.

Applied and Environmental Microbiology
C WagnerHarold L Drake

Abstract

To assess the anaerobic capacities of a temperate grassland soil, a Kansas prairie soil was incubated anaerobically as either soil-water (1:2) suspensions or as soil microcosms at 78% soil water-holding capacity. Prairie soil formed acetate and CO(inf2) as the two main initial carbonaceous products from the anaerobic turnover of endogenous organic matter. Metabolic capacities of soil suspensions and microcosms were similar. Rates of acetate formation from endogenous organic matter in soil-water suspensions incubated at 40, 30, and 15(deg)C approximated 3.3, 2.4, and 1.1 (mu)g of acetate per g (dry weight) of soil per h, respectively. Supplemental H(inf2) and CO(inf2) were subject to consumption with the apparent concomitant synthesis of acetate in both soil suspensions and soil microcosms. In soil microcosms, rates of H(inf2)-dependent acetogenesis at 30 and 55(deg)C were nearly equivalent. The uptake of supplemental H(inf2) was not coupled to methanogenesis under any condition examined. These anaerobic activities were relatively stable when soils were subjected to either aerobic drying or alternating periods of O(inf2) enrichment. On the basis of the formation of nitrogen (N(inf2)), denitrification was engaged during anaerobic...Continue Reading

References

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Mar 1, 1995·Applied and Environmental Microbiology·G R Karsten, H L Drake
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Oct 1, 1995·Applied and Environmental Microbiology·K Kusel, H L Drake
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Jun 1, 1942·Journal of Bacteriology·F E FontaineG J Ritter

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Citations

May 29, 1999·Applied and Environmental Microbiology·A ChidthaisongR Conrad
Apr 1, 2002·FEMS Microbiology Ecology·Kirsten KüselHarold L Drake
Mar 13, 2012·FEMS Microbiology Ecology·Anke HädrichKirsten Küsel
Oct 25, 2006·FEMS Microbiology Ecology·Gary M King
Aug 20, 2008·FEMS Microbiology Letters·Anita S GössnerHarold L Drake
Jul 1, 2002·FEMS Microbiology Ecology·Frank ReithKirsten Küsel
Feb 7, 2003·Applied and Environmental Microbiology·Hamadi I Boga, Andreas Brune
Feb 2, 2002·Applied and Environmental Microbiology·Arno KarnholzHarold L Drake
Nov 23, 2006·FEMS Microbiology Ecology·Silvia Schnurr-PützKirsten Küsel
May 21, 2009·FEMS Microbiology Ecology·Daniela M DegelmannHarold L Drake
Jul 31, 1999·Applied and Environmental Microbiology·D RosencrantzP H Janssen
Nov 1, 1996·Applied and Environmental Microbiology·K Kusel, H L Drake
Jan 1, 1997·Applied and Environmental Microbiology·O T Harriott, A C Frazer
Jul 14, 2004·Research in Microbiology·Harold L Drake, Steven L Daniel
Jan 6, 2005·Research in Microbiology·Harold L Drake, Steven L Daniel

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