Succession of bacterial and fungal communities within biofilms of a chlorinated drinking water distribution system

Water Research
Isabel DoutereloJoby B Boxall

Abstract

Understanding the temporal dynamics of multi-species biofilms in Drinking Water Distribution Systems (DWDS) is essential to ensure safe, high quality water reaches consumers after it passes through these high surface area reactors. This research studied the succession characteristics of fungal and bacterial communities under controlled environmental conditions fully representative of operational DWDS. Microbial communities were observed to increase in complexity after one month of biofilm development but they did not reach stability after three months. Changes in cell numbers were faster at the start of biofilm formation and tended to decrease over time, despite the continuing changes in bacterial community composition. Fungal diversity was markedly less than bacterial diversity and had a lag in responding to temporal dynamics. A core-mixed community of bacteria including Pseudomonas, Massillia and Sphingomonas and the fungi Acremonium and Neocosmopora were present constantly and consistently in the biofilms over time and conditions studied. Monitoring and managing biofilms and such ubiquitous core microbial communities are key control strategies to ensuring the delivery of safe drinking water via the current ageing DWDS infras...Continue Reading

Citations

Jan 10, 2019·Microorganisms·Malcolm Richardson, Riina Rautemaa-Richardson
Jan 31, 2020·Environmental Microbiology·Vincent Hervé, Pascal Jean Lopez
Mar 21, 2020·Applied Microbiology and Biotechnology·Wenfang LinXin Yu
Oct 25, 2020·NPJ Biofilms and Microbiomes·Gonzalo Del OlmoIsabel Douterelo
Jan 16, 2021·Microorganisms·Monika Novak Babič, Nina Gunde-Cimerman
Nov 17, 2020·Research in Microbiology·Tiago Barros AfonsoNelson Lima
Dec 2, 2020·The Science of the Total Environment·Gonzalo Del OlmoIsabel Douterelo
Dec 29, 2020·Environmental Pollution·Vanessa Ochi AgostiniAlexandre José Macedo
Oct 24, 2020·Journal of Water and Health·Geyse A C SantosMaria Tereza Pepe Razzolini
May 8, 2021·Water Research·Frances C PickJoby B Boxall
May 26, 2021·The Science of the Total Environment·Magda NechanickáLukáš Dvořák
Aug 3, 2021·The Science of the Total Environment·Casey K HuangJianhua Guo
Nov 16, 2021·Frontiers in Microbiology·Frances C PickJoby B Boxall

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