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Deep-Sea Oil Plume Enriches Indigenous Oil-Degrading Bacteria
It is reported that the dispersed hydrocarbon plume stimulated deep-sea indigenous γ-Proteobacteria that are closely related to known petroleum degraders, and the potential exists for intrinsic bioremediation of the oil plume in the deep-water column without substantial oxygen drawdown.
Metagenome, metatranscriptome and single-cell sequencing reveal microbial response to Deepwater Horizon oil spill
The draft genome included genes for chemotaxis, motility and nutrient acquisition strategies that were also identified in the metagenomes and metatranscriptomes, which point towards a rapid response of members of the Oceanospirillales to aliphatic hydrocarbons in the deep sea.
Deep-sea bacteria enriched by oil and dispersant from the Deepwater Horizon spill.
- Jacob Baelum, S. Borglin, J. Jansson
- Environmental ScienceEnvironmental microbiology
- 1 September 2012
Several features that provide Colwellia with the capacity to degrade oil in cold, deep marine habitats are highlighted, including aggregation together with oil droplets into flocs and hydrocarbon degradation ability.
Diverse uncultivated ultra-small bacterial cells in groundwater.
The hypothesis that bacteria from phyla lacking cultivated representatives are small and thus might be enriched by filtration for coupled genomic and ultrastructural characterization is tested.
IR spectroscopic characteristics of cell cycle and cell death probed by synchrotron radiation based Fourier transform IR spectromicroscopy.
Clear changes are observed in the spectral regions corresponding to proteins, DNA, and RNA as a cell changes from the G(1)-phase to the S-phase and finally into mitosis as well as variations in DNA/RNA content and packing as the cell cycle progresses.
Salt Stress in Desulfovibrio vulgaris Hildenborough: an Integrated Genomics Approach
It is demonstrated that import of osmoprotectants, such as glycine betaine and ectoine, is the primary mechanism used by D. vulgaris to counter hyperionic stress.
PhyloSift: phylogenetic analysis of genomes and metagenomes.
Catalysis of PAH biodegradation by humic acid shown in synchrotron infrared studies.
It is indicated that HA dramatically shortens the onset time for PAH biodegradation from 168 to 2 h, which will have large implications for the bioremediation of contaminated soils.
Real-time chemical imaging of bacterial activity in biofilms using open-channel microfluidics and synchrotron FTIR spectromicroscopy.
- H. Holman, R. Miles, Zhao Hao, E. Wozei, L. M. Anderson, Haw Yang
- Engineering, BiologyAnalytical chemistry
- 23 September 2009
The ability of the open-channel microfluidic platform to maintain the functionality of living cells while enabling high-quality SR-FTIR measurements is demonstrated and several applications that show how microbes in biofilms adapt to their immediate environments are included.
Belowground Response to Drought in a Tropical Forest Soil. II. Change in Microbial Function Impacts Carbon Composition
Drought-induced changes in microbial functional diversity and activity shape are shaped by, the composition of dissolved and soil-associated carbon and a metabolic response to drought appeared to condition the soil, notably through the production of polysaccharides, particularly in experimental plots that had been pre-exposed to a short-term drought.