ArticleApplied and environmental microbiology2007
Analysis of diversity and activity of sulfate-reducing bacterial communities in sulfidogenic bioreactors using 16S rRNA and dsrB genes as molecular markers.
Article in Applied and environmental microbiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 140 citations in OpenAlex.
- Gated Nanosensor for Sulphate-Reducing Bacteria Detection.Nanomaterials (Basel, Switzerland) · 2025Article
- Sulfate-reducing bacteria in removal of pollutants: a promising candidate for bioremediation.World journal of microbiology & biotechnology · 2025Review
- Comparative Methods for Quantification of Sulfate-Reducing Bacteria in Environmental and Engineered Sludge Samples.Biology · 2023Article
- Dynamics of Microbial Communities during the Removal of Copper and Zinc in a Sulfate-Reducing Bioreactor with a Limestone Pre-Column System.International journal of environmental research and public health · 2022Article
- A review on anaerobic microorganisms isolated from oil reservoirs.World journal of microbiology & biotechnology · 2021Review
- Effects of combined tannic acid/fluoride on sulfur transformations and methanogenic pathways in swine manure.PloS one · 2021Article
- Different Height Forms of Spartina alterniflora Might Select Their Own Rhizospheric Bacterial Communities in Southern Coast of China.Microbial ecology · 2019Article
- Core Sulphate-Reducing Microorganisms in Metal-Removing Semi-Passive Biochemical Reactors and the Co-Occurrence of Methanogens.Microorganisms · 2018Article
- MEBS, a software platform to evaluate large (meta)genomic collections according to their metabolic machinery: unraveling the sulfur cycle.GigaScience · 2017Article
- Mercury-methylating genes dsrB and hgcA in soils/sediments of the Three Gorges Reservoir.Environmental science and pollution research international · 2017Article
- The Diversity of Sulfide Oxidation and Sulfate Reduction Genes Expressed by the Bacterial Communities of the Cariaco Basin, Venezuela.The open microbiology journal · 2016Article
- The microbial community of a passive biochemical reactor treating arsenic, zinc, and sulfate-rich seepage.Frontiers in bioengineering and biotechnology · 2015Article
- Syntrophs dominate sequences associated with the mercury methylation-related gene hgcA in the water conservation areas of the Florida Everglades.Applied and environmental microbiology · 2014Article
- Effects of Spartina alterniflora invasion on the communities of methanogens and sulfate-reducing bacteria in estuarine marsh sediments.Frontiers in microbiology · 2013Article
- Sulfur bacteria in wastewater stabilization ponds periodically affected by the 'red-water' phenomenon.Applied microbiology and biotechnology · 2013Article
- Abundance, diversity and activity of sulfate-reducing prokaryotes in heavy metal-contaminated sediment from a salt marsh in the Medway Estuary (UK).Marine biotechnology (New York, N.Y.) · 2012Article
- Genus-specific and phase-dependent effects of nitrate on a sulfate-reducing bacterial community as revealed by dsrB-based DGGE analyses of wastewater reactors.World journal of microbiology & biotechnology · 2012Article
- Effect of elevated salt concentrations on the aerobic granular sludge process: linking microbial activity with microbial community structure.Applied and environmental microbiology · 2011Article
- Phylogenetic Relationships and Functional Genes: Distribution of a Gene (mnxG) encoding a putative manganese-oxidizing enzyme in Bacillus species.Applied and environmental microbiology · 2008Article
- Competition and coexistence of sulfate-reducing bacteria, acetogens and methanogens in a lab-scale anaerobic bioreactor as affected by changing substrate to sulfate ratio.Applied microbiology and biotechnology · 2008Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Here we describe the diversity and activity of sulfate-reducing bacteria (SRB) in sulfidogenic bioreactors by using the simultaneous analysis of PCR products obtained from DNA and RNA of the 16S rRNA and dissimilatory sulfite reductase (dsrAB) genes. We subsequently analyzed the amplified gene fragments by using denaturing gradient gel electrophoresis (DGGE). We observed fewer bands in the RNA-based DGGE profiles than in the DNA-based profiles, indicating marked differences in the populations present and in those that were metabolically active at the time of sampling. Comparative sequence analyses of the bands obtained from rRNA and dsrB DGGE profiles were congruent, revealing the same SRB populations. Bioreactors that received either ethanol or isopropanol as an energy source showed the presence of SRB affiliated with Desulfobulbus rhabdoformis and/or Desulfovibrio sulfodismutans, as well as SRB related to the acetate-oxidizing Desulfobacca acetoxidans. The reactor that received wastewater containing a diverse mixture of organic compounds showed the presence of nutritionally versatile SRB affiliated with Desulfosarcina variabilis and another acetate-oxidizing SRB, affiliated with Desulfoarculus baarsii. In addition to DGGE analysis, we performed whole-cell hybridization with fluorescently labeled oligonucleotide probes to estimate the relative abundances of the dominant sulfate-reducing bacterial populations. Desulfobacca acetoxidans-like populations were most dominant (50 to 60%) relative to the total SRB communities, followed by Desulfovibrio-like populations (30 to 40%), and Desulfobulbus-like populations (15 to 20%). This study is the first to identify metabolically active SRB in sulfidogenic bioreactors by using the functional gene dsrAB as a molecular marker. The same approach can also be used to infer the ecological role of coexisting SRB in other habitats.
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