Comparison of bacterial diversity in full scale anammox bioreactors operated under different conditions

Alejandro Gonzalez-Martinez*, Francisco Osorio, Jose A. Morillo, Alejandro Rodriguez-Sanchez, Jesus Gonzalez-Lopez, Ben A. Abbas, Mark C M van Loosdrecht

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

42 Citations (Scopus)

Abstract

Bacterial community structure of full-scale anammox bioreactor is still mainly unknown. It has never been analyzed whether different anammox bioreactor configurations might result in the development of different bacterial community structures among these systems. In this work, the bacterial community structure of six full-scale autotrophic nitrogen removal bioreactors located in The Netherlands and China operating under three different technologies and with different influent wastewater characteristics was studied by the means of pyrotag sequencing evaluation of the bacterial assemblage yielded a great diversity in all systems. The most represented phyla were the Bacteroidetes and the Proteobacteria, followed by the Planctomycetes. 14 OTUs were shared by all bioreactors, but none of them belonged to the Brocadiales order. Statistical analysis at OTU level showed that differences in the microbial communities were high, and that the main driver of the bacterial assemblage composition was different for the distinct phyla identified in the six bioreactors, depending on bioreactor technology or influent wastewater characteristics.

Original languageEnglish
Pages (from-to)1464-1472
Number of pages9
JournalBiotechnology Progress
Volume31
Issue number6
DOIs
Publication statusPublished - 1 Nov 2015
MoE publication typeA1 Journal article-refereed

Keywords

  • Anammox
  • Bioprocess technology
  • Microbial ecology
  • Nitrogen removal
  • Pyrosequencing
  • Wastewater treatment

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