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Denaturing Gradient Gel ElectrophoresisElectrophoresis, Polyacrylamide GelElectrophoresisRNA, Ribosomal, 16SBacteriaElectrophoresis, Agar GelDNA, RibosomalDNA, BacterialPolymerase Chain ReactionNucleic Acid DenaturationMolecular Sequence DataSequence Analysis, DNASoil MicrobiologyElectrophoresis, Gel, Pulsed-FieldElectrophoresis, Gel, Two-DimensionalDNA FingerprintingGelsBiodiversityEcosystemPhylogenyMolecular WeightFresh WaterElectrophoresis, CapillaryBase SequenceBetaproteobacteriaGenes, rRNABiotaWater MicrobiologyColony Count, MicrobialPlanktonBiodegradation, EnvironmentalProteobacteriaDNA PrimersBioreactorsCentrifugation, Density GradientCluster AnalysisLactobacillusParticle SizeBlood Protein ElectrophoresisMicrobial ConsortiaLinuronSeawaterGeologic SedimentsMetagenomeRNA, BacterialLipoproteins, HDL2NitrosomonasArchaeaFecesCheeseLipoproteins, HDL3PetroleumSulfur-Reducing BacteriaRhizophoraceaeLipoproteins, HDLRNA, Ribosomal, 18SSoilWaste Disposal, FluidMutationTemperatureSoil PollutantsGenetic VariationDNA Mutational AnalysisBacterial Typing TechniquesBifidobacteriumSpecies SpecificityRhizosphereEnvironmental MicrobiologyCombretaceaeChromatography, GelIsoelectric FocusingKineticsSewageMethaneStreptococcaceaeUltracentrifugationDNAHydrogen-Ion ConcentrationWater PurificationAmmoniaAmino Acid SequenceRiversOil and Gas FieldsFungiPolymorphism, Restriction Fragment LengthLipoproteins, LDLMethanosarcinalesFermentationElectrophoresis, DiscWater Pollution, ChemicalBacterial ProteinsGammaproteobacteriaElectrophoresis, Starch GelDNA, ArchaealExonsChromatography, AffinityApolipoproteinsActinobacteriaGastrointestinal TractPorifera

Isolation and bioaugmentation of an estradiol-degrading bacterium and its integration into a mature biofilm. (41/242)

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Alcohol facilitates CD1d loading, subsequent activation of NKT cells, and reduces the incidence of diabetes in NOD mice. (42/242)

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Analysis of interspecies adherence of oral bacteria using a membrane binding assay coupled with polymerase chain reaction-denaturing gradient gel electrophoresis profiling. (43/242)

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Effect of grazers and viruses on bacterial community structure and production in two contrasting trophic lakes. (44/242)

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Detection of human Dicer and Argonaute 2 catalytic activity. (45/242)

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Increase in Alphaproteobacteria in association with a polychaete, Capitella sp. I, in the organically enriched sediment. (46/242)

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Soil microbial community structure in an Asian dust source region (Loess plateau). (47/242)

The bacterial community structure in four geographically isolated arid regions on the Loess plateau, China, a source of Asian dust, was investigated using a 16S rRNA gene. Denaturing gradient gel electrophoresis and sequencing demonstrated that community diversity in the Loess plateau was low, and a common Alphaproteobacteria phylotype was identified. Phylogenetic analyses of arid soils revealed that most phylotypes had low similarity with known strains in various phyla, suggesting that these regions contain phylogenetically divergent and unknown bacteria.  (+info)

Characteristics of the microbial community associated with ammonia oxidation in a full-scale rockwool biofilter treating malodors from livestock manure composting. (48/242)

The relationship between the activity and community structure of microbes associated with the oxidation of ammonia in a full-scale rockwool biofilter was examined by kinetic, denaturing gradient gel electrophoresis (DGGE), and sequence analyses. The packing materials were sampled from two different depths at 3 sites. Estimated K(m) values were similar among depths at same sampling sites, while V(max) differed in the mid-point sample. The lower depth of this site had the highest V(max). A correspondence analysis showed the DGGE profile of ammonia-oxidizing bacterial amoA of the lower depth of the mid-point sample to be distinguishable from the others. Banding patterns at other sites were similar among depths. Banding patterns of ammonia-oxidizing archaeal amoA of the mid-point sample were also similar among depths. The results suggested an association between the ammonia-oxidizing bacterial community's composition and ammonium oxidation kinetics in samples. Sequence analysis indicated that the ammonia-oxidizing bacterial community mainly belonged to the Nitrosomonas europaea lineage and Nitrosospira cluster 3. The ammonia-oxidizing archaeal amoA-like sequences were related to those belonging to soil and sediment groups, including one with 84% nucleotide similarity with Nitrosopumilus maritimus.  (+info)