Estimation ofEscherichia coli mortality in seawater by the decrease in3H-label and electron transport system activity
- 1 May 1989
- journal article
- research article
- Published by Springer Nature in Microbial Ecology
- Vol. 17 (3), 219-225
- https://doi.org/10.1007/bf02012835
Abstract
The mortality ofEscherichia coli in seawater was assessed by viable counts, electron transport system activity, and cellular3H-labelling. Filtration was used to assess the grazing mortality. Cellular radiolabelling and electron transport system activity were useful methods for assessingE. coli survival in seawater. The decrease in the3H-label as a method to assess bacterial mortality was validated by using viable counts and metabolic activity assays. The particulate fraction that passed 2 μm but was retained on 0.2 μm pore-size filters was the primary reason forE. coli mortality in seawater.Keywords
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