A Critical Assessment of the Microorganisms Proposed to be Important to Enhanced Biological Phosphorus Removal in Full-Scale Wastewater Treatment Systems

Frontiers in Microbiology
Mikkel Stokholm-BjerregaardPer Halkjær Nielsen

Abstract

Understanding the microbiology of phosphorus (P) removal is considered essential to knowledge-based optimization of enhanced biological P removal (EBPR) systems. Biological P removal is achieved in these systems by promoting the growth of organisms collectively known as the polyphosphate accumulating organisms (PAOs). Also considered important to EBPR are the glycogen accumulating organisms (GAOs), which are theorized to compete with the PAOs for resources at the expense of P removal efficiency. Numerous studies have sought to identify the PAOs and their GAOs competitors, with several candidates proposed for each over the last few decades. The current study collectively assessed the abundance and diversity of all proposed PAOs and GAOs in 18 Danish full-scale wastewater treatment plants with well-working biological nutrient removal over a period of 9 years using 16S rRNA gene amplicon sequencing. The microbial community structure in all plants was relatively stable over time. Evidence for the role of the proposed PAOs and GAOs in EBPR varies and is critically assessed, in light of their calculated amplicon abundances, to indicate which of these are important in full-scale systems. Bacteria from the genus Tetrasphaera were the m...Continue Reading

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Citations

Apr 28, 2019·Proteomes·Florian-Alexander HerbstPer Halkjær Nielsen
May 22, 2019·Functional & Integrative Genomics·Niti B JadejaAtya Kapley
Aug 14, 2019·Water Environment Research : a Research Publication of the Water Environment Federation·Annalisa Onnis-HaydenApril Z Gu
May 14, 2020·Water Environment Research : a Research Publication of the Water Environment Federation·Stephanie Klaus, Charles B Bott
Aug 20, 2019·Environmental Geochemistry and Health·Dogun KimSeungdae Oh
Sep 6, 2020·Bioprocess and Biosystems Engineering·Silvio Luiz de Sousa RollembergAndré Bezerra Dos Santos
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Sep 15, 2020·World Journal of Microbiology & Biotechnology·Shivani ShuklaRanjana Bhatia
Oct 2, 2019·Frontiers in Microbiology·Lachlan B M SpeirsRobert J Seviour
Aug 24, 2017·Microbial Biotechnology·Per Halkjaer Nielsen
Jan 16, 2020·International Journal of Environmental Research and Public Health·Lin LiKrishna Pagilla
Mar 6, 2019·Frontiers in Microbiology·Francisco J Rubio-RincónDamir Brdjanovic
Jul 4, 2020·Environmental Science and Pollution Research International·Baogui WangYongzhen Peng
Oct 20, 2020·Applied Microbiology and Biotechnology·Danny R de GraaffMario Pronk
Oct 28, 2020·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Paul RootsGeorge Wells
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Mar 23, 2021·Environmental Science and Pollution Research International·Yuting ShaoWenzhuo Sun
May 11, 2021·Frontiers in Microbiology·Jannie Munk KristensenPer Halkjaer Nielsen
May 24, 2021·Cell Systems·Hugo B C KleikampMartin Pabst
Jul 2, 2021·Frontiers in Plant Science·Victor P LobanovAlyssa Joyce

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Datasets Mentioned

BETA
PRJEB19518

Methods Mentioned

BETA
amplicon sequencing
PCR
DNA Assay
fluorescence activated cell sorting
qFISH

Software Mentioned

MiDAS
R Core Team
usearch
UPARSE
Trimmomatic
Quantitative Insights into Microbial Ecology ( QIIME )
Rstudio IDE
phyloseq
ARB
PhyML

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