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Enhanced sensitivity of DNA- and rRNA-based stable isotope probing by fractionation and quantitative analysis of isopycnic centrifugation gradients.
Stable isotope probing (SIP) of nucleic acids allows the detection and identification of active members of natural microbial populations that are involved in the assimilation of an isotopically… Expand
Microbial biodiversity in groundwater ecosystems
Summary 1. Groundwater ecosystems offer vast and complex habitats for diverse microbial communities. Here we review the current status of groundwater microbial biodiversity research with a focus… Expand
DNA stable-isotope probing
Stable-isotope probing is a method used in microbial ecology that provides a means by which specific functional groups of organisms that incorporate particular substrates are identified without the… Expand
Molecular analyses of methyl-coenzyme M reductase alpha-subunit (mcrA) genes in rice field soil and enrichment cultures reveal the methanogenic phenotype of a novel archaeal lineage.
The diversity of methanogen-specific methyl-coenzyme M reductase alpha-subunit (mcrA/mrtA) genes in Italian rice field soil was analysed using a combination of molecular techniques and enrichment… Expand
Archaeal Population Dynamics during Sequential Reduction Processes in Rice Field Soil
ABSTRACT The population dynamics of Archaea after flooding of an Italian rice field soil were studied over 17 days. Anoxically incubated rice field soil slurries exhibited a typical sequence of… Expand
Stable isotope probing of rRNA and DNA reveals a dynamic methylotroph community and trophic interactions with fungi and protozoa in oxic rice field soil.
- T. Lueders, B. Wagner, P. Claus, M. Friedrich
- Medicine, Biology
- Environmental microbiology
- 11 December 2003
Stable isotope probing (SIP) is a novel technique to characterize structure and in situ function of active microbial populations, which is based on the incorporation of 13C-labelled substrates into… Expand
The use of stable isotope probing to identify key iron-reducing microorganisms involved in anaerobic benzene degradation
Here, we present a detailed functional and phylogenetic characterization of an iron-reducing enrichment culture maintained in our lab with benzene as sole carbon and energy source. We used DNA-stable… Expand
Detection of anaerobic toluene and hydrocarbon degraders in contaminated aquifers using benzylsuccinate synthase (bssA) genes as a functional marker.
Benzylsuccinate synthase (Bss) is the key enzyme of anaerobic toluene degradation and has been found in all anaerobic toluene degrading bacterial isolates tested. However, only a few pure cultures… Expand
Depth-Resolved Quantification of Anaerobic Toluene Degraders and Aquifer Microbial Community Patterns in Distinct Redox Zones of a Tar Oil Contaminant Plume
- Christian Winderl, Bettina Anneser, C. Griebler, R. Meckenstock, T. Lueders
- Medicine, Biology
- Applied and Environmental Microbiology
- 14 December 2007
ABSTRACT Microbial degradation is the only sustainable component of natural attenuation in contaminated groundwater environments, yet its controls, especially in anaerobic aquifers, are still poorly… Expand
Effects of Amendment with Ferrihydrite and Gypsum on the Structure and Activity of Methanogenic Populations in Rice Field Soil
ABSTRACT Methane emission from paddy fields may be reduced by the addition of electron acceptors to stimulate microbial populations competitive to methanogens. We have studied the effects of… Expand