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The Microbial Community Structure of Drinking Water Biofilms Can Be Affected by Phosphorus Availability

The Microbial Community Structure of Drinking Water Biofilms Can Be Affected by Phosphorus... The Microbial Community Structure of Drinking Water Biofilms Can Be Affected by Phosphorus Availability Minna M. Keinänen 1 , 2 , * , Leena K. Korhonen 1 , Markku J. Lehtola 1 , Ilkka T. Miettinen 1 , Pertti J. Martikainen 2 , Terttu Vartiainen 2 , 3 , and Merja H. Suutari 1 1 Laboratory of Environmental Microbiology 3 Laboratory of Chemistry 2 National Public Health Institute, FIN-70701 Kuopio, and Department of Environmental Sciences, Bioteknia 2, University of Kuopio, FIN-70211 Kuopio, Finland ABSTRACT Microbial communities in biofilms grown for 4 and 11 weeks under the flow of drinking water supplemented with 0, 1, 2, and 5 μg of phosphorus liter −1 and in drinking and warm waters were compared by using phospholipid fatty acids (PLFAs) and lipopolysaccharide 3-hydroxy fatty acids (LPS 3-OH-FAs). Phosphate increased the proportion of PLFAs 16:1ω7 c and 18:1ω7 c and affected LPS 3-OH-FAs after 11 weeks of growth, indicating an increase in gram-negative bacteria and changes in their community structure. Differences in community structures between biofilms and drinking and warm waters can be assumed from PLFAs and LPS 3-OH-FAs, concomitantly with adaptive changes in fatty acid chain length, cyclization, and unsaturation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied and Environmental Microbiology American Society For Microbiology

The Microbial Community Structure of Drinking Water Biofilms Can Be Affected by Phosphorus Availability

The Microbial Community Structure of Drinking Water Biofilms Can Be Affected by Phosphorus Availability

Applied and Environmental Microbiology , Volume 68 (1): 434 – Jan 1, 2002

Abstract

The Microbial Community Structure of Drinking Water Biofilms Can Be Affected by Phosphorus Availability Minna M. Keinänen 1 , 2 , * , Leena K. Korhonen 1 , Markku J. Lehtola 1 , Ilkka T. Miettinen 1 , Pertti J. Martikainen 2 , Terttu Vartiainen 2 , 3 , and Merja H. Suutari 1 1 Laboratory of Environmental Microbiology 3 Laboratory of Chemistry 2 National Public Health Institute, FIN-70701 Kuopio, and Department of Environmental Sciences, Bioteknia 2, University of Kuopio, FIN-70211 Kuopio, Finland ABSTRACT Microbial communities in biofilms grown for 4 and 11 weeks under the flow of drinking water supplemented with 0, 1, 2, and 5 μg of phosphorus liter −1 and in drinking and warm waters were compared by using phospholipid fatty acids (PLFAs) and lipopolysaccharide 3-hydroxy fatty acids (LPS 3-OH-FAs). Phosphate increased the proportion of PLFAs 16:1ω7 c and 18:1ω7 c and affected LPS 3-OH-FAs after 11 weeks of growth, indicating an increase in gram-negative bacteria and changes in their community structure. Differences in community structures between biofilms and drinking and warm waters can be assumed from PLFAs and LPS 3-OH-FAs, concomitantly with adaptive changes in fatty acid chain length, cyclization, and unsaturation.

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References (51)

Publisher
American Society For Microbiology
Copyright
Copyright © 2002 by the American society for Microbiology.
ISSN
0099-2240
eISSN
1098-5336
DOI
10.1128/AEM.68.1.434-439.2002
Publisher site
See Article on Publisher Site

Abstract

The Microbial Community Structure of Drinking Water Biofilms Can Be Affected by Phosphorus Availability Minna M. Keinänen 1 , 2 , * , Leena K. Korhonen 1 , Markku J. Lehtola 1 , Ilkka T. Miettinen 1 , Pertti J. Martikainen 2 , Terttu Vartiainen 2 , 3 , and Merja H. Suutari 1 1 Laboratory of Environmental Microbiology 3 Laboratory of Chemistry 2 National Public Health Institute, FIN-70701 Kuopio, and Department of Environmental Sciences, Bioteknia 2, University of Kuopio, FIN-70211 Kuopio, Finland ABSTRACT Microbial communities in biofilms grown for 4 and 11 weeks under the flow of drinking water supplemented with 0, 1, 2, and 5 μg of phosphorus liter −1 and in drinking and warm waters were compared by using phospholipid fatty acids (PLFAs) and lipopolysaccharide 3-hydroxy fatty acids (LPS 3-OH-FAs). Phosphate increased the proportion of PLFAs 16:1ω7 c and 18:1ω7 c and affected LPS 3-OH-FAs after 11 weeks of growth, indicating an increase in gram-negative bacteria and changes in their community structure. Differences in community structures between biofilms and drinking and warm waters can be assumed from PLFAs and LPS 3-OH-FAs, concomitantly with adaptive changes in fatty acid chain length, cyclization, and unsaturation.

Journal

Applied and Environmental MicrobiologyAmerican Society For Microbiology

Published: Jan 1, 2002

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