Nutritional versatility and growth kinetics of an Aeromonas hydrophila strain isolated from drinking water.

Applied and Environmental Microbiology
D van der Kooij, W A Hijnen

Abstract

The nutritional versatility and growth kinetics of Aeromonas hydrophila were studied to determine the nature and the growth-promoting properties of organic compounds which may serve as substrates for the growth of this organism in drinking water during treatment and distribution. As an initial screening, a total of 69 different organic compounds were tested at a concentration of 2.5 g/liter as growth substrates for 10 A. hydrophila strains. Of these strains, strain M800 attained the highest maximum colony counts in various types of drinking water and river water and was therefore used in further measurements of growth at low substrate concentrations. A mixture of 21 amino acids and a mixture of 10 long-chain fatty acids, when added to drinking water, promoted growth of strain M800 at individual compound concentrations as low as 0.1 microgram of C per liter. Mixtures of 18 carbohydrates and 18 carboxylic acids clearly enhanced growth of the organism at individual compound concentrations above 1 microgram of C per liter. Growth measurements with 63 individual substrates at a concentration of 10 micrograms of C per liter gave growth rates of greater than or equal to 0.1/h with two amino acids, nine carbohydrates, and six long-chai...Continue Reading

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Citations

Jan 1, 1992·Society for Applied Bacteriology Symposium Series·J C Gottschal
Apr 4, 2009·Applied Microbiology and Biotechnology·Changsoo LeeSeokhwan Hwang
Feb 25, 1999·Journal of Applied Microbiology·S MassaL D Trovatelli
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Aug 2, 2011·Applied and Environmental Microbiology·Eveline L W SackDick van der Kooij
May 30, 2008·Environmental Microbiology·Marius VitalThomas Egli
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Apr 17, 2021·Journal of Hazardous Materials·Thi Huyen DuongSung Kyu Maeng
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Aug 1, 1991·Applied and Environmental Microbiology·A K CamperW L Jones

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