Specific growth rate determines the sensitivity of Escherichia coli to thermal, UVA, and solar disinfection

Article Abstract:

Sensitivity of Escherichia coli MG1655 to three physical stresses (mild heat, UVA light, and sunlight) that are relevant in the disinfection of drinking water with solar radiation is determined by specific growth rate of the cultures. The results emphasize the need for accurate reporting of specific growth rates and detailed culture conditions in disinfection studies to allow comparison of data from different studies and laboratories and sound interpretation of the data obtained.

Science & research, Physiological aspects, Growth, Bacterial growth, Ultraviolet radiation, Company growth

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Kinetics of the simultaneous utilization of sugar mixtures by Escherichia coli in continuous culture

Article Abstract:

The carbon-limited chemostat growth of Escherichia coli fed with mixtures of six sugars is studied to determine how microbial growth rates depend on the concentrations of several simultaneously utilized carbon sources. Results suggest that the simultaneous utilization of mixtures of carbon sources allows heterotrophic microbes to grow relatively fast despite the presence of low environmental substrate concentrations.

Microbial growth, Chemostat

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