Redundancy analysis demonstration of the relevance of temperature to ammonia-oxidizing bacterial community compositions in a full-scale nitrifying bioreactor treating saline wastewater

Hee-Deung Park, Seung Yong Lee, Seokhwan Hwang

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Although salt is known to influence the performance of nitrification significantly, it has not been well reported on how salt affects ammonia-oxidizing bacterial (AOB) community compositions and dynamics in wastewater treatment bioreactors. In this study, these questions were evaluated in a full-scale bioreactor treating saline wastewater. Clone library analysis for the ammonia monooxygenase subunit A gene revealed that AOB belonging to the Nitrosomonas europaea and the N. oligotropha lineages inhabited in the bioreactor. Terminal restriction fragment length polymorphism analysis for monthly samples demonstrated a fluctuation pattern among AOB populations, although AOB within the N. europaea lineage were dominant during the test period. Correlation analysis between patterns of terminal restriction fragments and environmental variables suggested that sodium, chloride, and sulfate were less important; rather, temperature was the most significant factor affecting the AOB community in the bioreactor.

Original languageEnglish
Pages (from-to)346-350
Number of pages5
JournalJournal of Microbiology and Biotechnology
Volume19
Issue number4
DOIs
Publication statusPublished - 2009 Apr 28

Fingerprint

Bioreactors
Waste Water
Ammonia
Nitrosomonas europaea
Temperature
Salts
Nitrification
Sodium Chloride
Restriction Fragment Length Polymorphisms
Clone Cells
Population
Genes

Keywords

  • Ammonia-oxidizing bacteria
  • Nitrification
  • Salt inhibition
  • Terminal restriction fragment length polymorphism
  • Wastewater treatment

ASJC Scopus subject areas

  • Biotechnology
  • Applied Microbiology and Biotechnology

Cite this

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abstract = "Although salt is known to influence the performance of nitrification significantly, it has not been well reported on how salt affects ammonia-oxidizing bacterial (AOB) community compositions and dynamics in wastewater treatment bioreactors. In this study, these questions were evaluated in a full-scale bioreactor treating saline wastewater. Clone library analysis for the ammonia monooxygenase subunit A gene revealed that AOB belonging to the Nitrosomonas europaea and the N. oligotropha lineages inhabited in the bioreactor. Terminal restriction fragment length polymorphism analysis for monthly samples demonstrated a fluctuation pattern among AOB populations, although AOB within the N. europaea lineage were dominant during the test period. Correlation analysis between patterns of terminal restriction fragments and environmental variables suggested that sodium, chloride, and sulfate were less important; rather, temperature was the most significant factor affecting the AOB community in the bioreactor.",
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AU - Hwang, Seokhwan

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