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Scanning Transmission X-Ray, Laser Scanning, and Transmission Electron Microscopy Mapping of the Exopolymeric Matrix of Microbial Biofilms
This combination of multimicroscopy analysis can be used to create a detailed correlative map of biofilm structure and composition and to improve the understanding of the biochemical basis for biofilm organization.
Microscale and Molecular Assessment of Impacts of Nickel, Nutrients, and Oxygen Level on Structure and Function of River Biofilm Communities
- J. Lawrence, M. Chénier, C. Greer
- Environmental ScienceApplied and Environmental Microbiology
- 1 July 2004
Observations indicate that significant interactions occur between Ni, oxygen, and nutrients and that Ni at 0.5 mg liter−1 may have significant impacts on river microbial community diversity and function.
Assessment of lectin-binding analysis for in situ detection of glycoconjugates in biofilm systems.
Lectin-binding analysis represents a valuable tool to examine the glycoconjugate distribution in fully hydrated biofilms and chemical heterogeneities within extracellular biofilm locations can be identified in order to examined the role ofExtracellular polymeric substances in environmental biofilm systems.
Effects of selected pharmaceuticals on riverine biofilm communities.
At 10 microg.L(-1) levels pharmaceuticals exhibit both nutrient-like and toxic effects on riverine microbial communities, which may be consistent with proportional loss of cyanobacteria and relative increase in algal biomass rather than incorporation of pharmaceutical carbon into microbial biofilm.
Application of multiple parameter imaging for the quantification of algal, bacterial and exopolymer components of microbial biofilms
Comparative microscale analysis of the effects of triclosan and triclocarban on the structure and function of river biofilm communities.
Galvanic sulphide oxidation as a metal-leaching mechanism and its environmental implications
- Y. Kwong, G. Swerhone, J. Lawrence
- Materials ScienceGeochemistry: Exploration, Environment, Analysis
- 1 November 2003
Following a brief review of the theoretical aspects of galvanic sulphide oxidation, the significance of galvanic interaction in the oxidation of natural mixed sulphide assemblages is demonstrated…
Precipitation of amorphous CaCO3 (aragonite-like) by cyanobacteria: A STXM study of the influence of EPS on the nucleation process
In situ evidence for microdomains in the polymer matrix of bacterial microcolonies.
The combination of FLBA with fluorescent in situ hybridization (FISH) indicates that the colonies consist of the major groups, alpha- and beta-Proteobacteria.
Bacteria Associated with Cysts of the Soybean Cyst Nematode (Heterodera glycines)
The cysts of this important plant pathogen are revealed to be rich in a variety of bacteria, some of which could presumably play a role in the ecology of SCN or have potential as biocontrol agents.