Influence of temperature and substrate concentration on bacterial growth yield in Seine River water batch cultures

Article Abstract:

The effects of temperature and substrate concentration on growth yield (GY) in Seine River water batch cultures were investigated. Bacterial GY was calculated as the ratio of net production (increase in biomass corrected for mortality) to gross production (net production plus respiration). The GY, averaging 33%, did not show any trend with temperatures in the range of 8 to 25 degrees C but increased in relation to the concentration of dissolved organic carbon in the range of 2.5 to 12 mg of C . liter-1.

Analysis, Bacterial growth, Water, Water analysis, Seine River

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Denaturing gradient gel electrophoretic analysis of ammonia-oxidizing bacterial community structure in the lower Seine River: Impact of Paris wastewater effluents

Article Abstract:

The diversity of the ammonia-oxidizing bacterial population in the Seine River was investigated by identifying autochthonous bacteria from upstream and/or allochthonous ammonia-oxidizing bacterial from the wastewater treatment plant effluents. The study identified the ammonia-oxidizing bacteria introduced by the effluents.

United Kingdom, Influence, Growth, Bacteria, Company growth, Wastewater

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Nitrification and nitrifying bacteria in the lower Seine River and estuary (France)

Article Abstract:

The potential total nitrifying activity and the potential activities of ammonia and nitrite oxidizing communities along the Siene River are quantified. The results imply a significant immigration and selection of the ammonia- oxidizing bacterial population along the continuum of the Seine River from Paris to the estuary.

Nitrogenous Fertilizer Manufacturing, Nitrogenous fertilizers, Ammonia, Genetic aspects, Microbiological research, Bacteria, Nitrifying, Nitrobacteraceae

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