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- Atypical Bacterial Forms
- Bacteria, Aerobic
- Bacteria, Anaerobic
- Blood-Borne Pathogens
Articles on Bacteria
Preparation, characterization, and phenol adsorption of activated carbons from oxytetracycline bacterial residue.
The oxytetracycline bacterial residue-activated carbon (OBR-AC) prepared from oxytetracycline bacterial residue with K2CO3 under chemical activation was studied. The effects of activation temperature, activation time, and activation ratio on the specific surface area (SSA) and methyl...
Chemical composition and biological activities of essential oil from Hyptis crenata growing in the Brazilian cerrado.
Essential oils from species of the genus Hyptis are well-known for their significant biological properties, including antimicrobial and acaricidal activities. The essential oil from the aerial parts of H. crenata was obtained by hydrodistillation; bomeol (17.8%), 1,8-cineol (15.6%) a...
Comparison of the purification performance and microbial community functional diversity in flow-directional-switching and unidirectional-flo...
Because of the characteristics of low operating cost and convenient operation, the biotrickling filter is extensively researched and used to treat low concentration waste gas contaminated by volatile organic compounds (VOCs) and other odors. In this paper, two laboratory-scale biotri...
Metabolic shift of polyphosphate-accumulating organisms with different levels of polyphosphate storage.
We investigated the behavior of a culture enriched with Accumulibacter at different levels of polyphosphate (poly-P) storage. The results of stoichiometric ratios Gly(degraded)/HAc(uptake), PHB(synthesized)/HAc(uptake), PHV(synthesized)/HAc(uptake) and P(release)/HAc(uptake) confirmed a metabolic sh...
Pressure to kill or pressure to boost: a review on the various effects and applications of hydrostatic pressure in bacterial biotechnology.
Much knowledge has been gained for the last 30 years about the effects of pressure on bacteria, and various pressure-based technologies have been designed. The development of modern molecular biology techniques (e.g., DNA microarrays) as well as the technological advances realized in...
A specific mix of generalists: bacterial symbionts in Mediterranean Ircinia spp.
We characterized the bacterial symbiont communities of three sympatric host species in the genus Ircinia from the NW Mediterranean Sea, using electron microscopy and replicated 16S rRNA gene sequence clone libraries. All Ircinia host species harbored abundant and phylogenetically diverse symbiont co...
Characterization of microbial communities during anode biofilm reformation in a two-chambered microbial electrolysis cell (MEC).
GeoChip (II) and single strand conformation polymorphism (SSCP) were used to characterize anode microbial communities of a microbial electrolysis cell (MEC). Biofilm communities, enriched in a two-chamber MEC (R1, 0.6 V applied) having a coulombic efficiency (CE) of 35±4% and a hydr...
Changes in bacterial communities from anaerobic digesters during petroleum hydrocarbon degradation.
Anaerobic biodegradation of petroleum hydrocarbons (PHC) to methane has been recognized to occur in oil reservoirs and contaminated surface sites alike. This process could be employed efficiently for the treatment of contaminated materials, including petrochemical wastes and PHC-cont...
Iron-sulfur cluster engineering provides insight into the evolution of substrate specificity among sulfonucleotide reductases.
We report here that the P-loop motif has a modest effect on substrate discrimination. Instead, by means of metalloprotein engineering, spectroscopic, and kinetic analyses, we demonstrate that the iron-sulfur cluster cofactor enhances APS reduction by nearly 1000-fold, thereby playing a pivotal role...
Automating data acquisition affects mass spectrum quality and reproducibility during bacterial profiling using an intact cell sample prepara...
We directly compared the quality and reproducibility of spectra acquired in a fully automated fashion to those acquired manually by two operators with different levels of experience. While automation tended to increase base peak resolution, other measures of spectrum quality, including signal-to-noi...