Journal article
Impact of growth conditions on transport behavior of E. coli
Journal of environmental monitoring, v 14(3), pp 984-991
01 Mar 2012
PMID: 22330946
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The aim of this investigation is to determine the effect that growth solution has on the cell surface properties and transport behavior of eleven Escherichia coli isolates through saturated porous media. The two growth solutions used were a standard laboratory growth medium (LB) and a dairy manure extract solution. In general, cells grown in manure extract were more hydrophobic, had a more negative zeta potential, had lower amounts of surface macromolecules, and had lower attachment efficiencies than isolates grown in LB. An inverse relationship between the natural log of zeta potential and the attachment efficiency of the isolates for the cells grown in LB media was the only statistically significant correlation observed between transport behavior and cell characteristics of the isolates. This study shows the need to consider growth conditions when studying bacteria to better mimic the environmental stresses that bacteria undergo in the natural environment. This approach could lead to a better understanding of the behavior of manure-derived bacteria in aquatic and terrestrial environments.
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Details
- Title
- Impact of growth conditions on transport behavior of E. coli
- Creators
- Ian M. Marcus - University of California, RiversideCarl H. Bolster - Agricultural Research ServiceKimberly L. Cook - USDA ARS, Bowling Green, KY 42104 USAStephen R. Opot - University of California, RiversideSharon L. Walker - University of California, Riverside
- Publication Details
- Journal of environmental monitoring, v 14(3), pp 984-991
- Publisher
- Royal Soc Chemistry
- Number of pages
- 8
- Grant note
- 58609 / USDA CSREES; United States Department of Agriculture (USDA); National Institute of Food and Agriculture P031C080183-09 / CCRAA
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- College of Engineering
- Web of Science ID
- WOS:000300875100028
- Scopus ID
- 2-s2.0-84857702997
- Other Identifier
- 991021229890904721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Chemistry, Analytical
- Environmental Sciences