Impact of titanium dioxide nanoparticles on the bacterial communities of biological activated carbon filter intended for drinking water treatment

Liu Zhiyuan, Yu Shuili, Hee-Deung Park, Yuan Qingbin, Liu Guicai, Li Qi

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Titanium dioxide nanoparticles (TiO2 NPs) are inevitably present in the aquatic environment owing to their increasing production and use. However, knowledge of the potential effects of TiO2 NPs on the treatment of drinking water is scarce. Herein, the effects of two types of anatase TiO2 NPs (TP1, 25 nm; TP2, 100 nm) on the bacterial community in a biological activated carbon (BAC) filter were investigated via quantitative polymerase chain reaction (Q-PCR) analysis, ATP quantification, and 454 pyrosequencing analysis. Both TP1 and TP2 significantly inhibited the bacterial ATP level (p <0.01) and induced a decrease in the abundance of bacterial 16S rDNA gene copies at doses of 0.1 and 100 mg L−1. Simultaneously, the diversity and evenness of the bacterial communities were considerably reduced. The relative abundances of bacteria annotated to OTUs from Nitrospira class and Betaproteobacteria class decreased upon TiO2 NP treatment, whereas those of Bacilli class and Gammaproteobacteria class increased. TiO2 NP size showed a greater effect on the bacterial composition than did the dose based on Bray-Curtis distances. These findings identified negative effects of TiO2 NPs on the bacterial community in the BAC filter. Given the fact that BAC filters are used widely in drinking water treatment plants, these results suggested a potential threat by TiO2 NP to drinking water treatment system.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalEnvironmental Science and Pollution Research
DOIs
Publication statusAccepted/In press - 2016 Apr 29

Fingerprint

Biota
Water Purification
Water treatment
Potable water
Drinking Water
Activated carbon
Nanoparticles
Titanium dioxide
activated carbon
Carbon
Adenosinetriphosphate
filter
Adenosine Triphosphate
Betaproteobacteria
Gammaproteobacteria
Water treatment plants
Polymerase chain reaction
Bacilli
Ribosomal DNA
Bacillus

Keywords

  • 454 pyrosequencing
  • ATP quantification
  • Bacterial community
  • Drinking water treatment
  • Quantitative polymerase chain reaction
  • Titanium dioxide nanoparticle

ASJC Scopus subject areas

  • Environmental Chemistry
  • Health, Toxicology and Mutagenesis
  • Pollution

Cite this

Impact of titanium dioxide nanoparticles on the bacterial communities of biological activated carbon filter intended for drinking water treatment. / Zhiyuan, Liu; Shuili, Yu; Park, Hee-Deung; Qingbin, Yuan; Guicai, Liu; Qi, Li.

In: Environmental Science and Pollution Research, 29.04.2016, p. 1-10.

Research output: Contribution to journalArticle

@article{63f074bab91e4b3e9e0a2b8cab2a81f4,
title = "Impact of titanium dioxide nanoparticles on the bacterial communities of biological activated carbon filter intended for drinking water treatment",
abstract = "Titanium dioxide nanoparticles (TiO2 NPs) are inevitably present in the aquatic environment owing to their increasing production and use. However, knowledge of the potential effects of TiO2 NPs on the treatment of drinking water is scarce. Herein, the effects of two types of anatase TiO2 NPs (TP1, 25 nm; TP2, 100 nm) on the bacterial community in a biological activated carbon (BAC) filter were investigated via quantitative polymerase chain reaction (Q-PCR) analysis, ATP quantification, and 454 pyrosequencing analysis. Both TP1 and TP2 significantly inhibited the bacterial ATP level (p <0.01) and induced a decrease in the abundance of bacterial 16S rDNA gene copies at doses of 0.1 and 100 mg L−1. Simultaneously, the diversity and evenness of the bacterial communities were considerably reduced. The relative abundances of bacteria annotated to OTUs from Nitrospira class and Betaproteobacteria class decreased upon TiO2 NP treatment, whereas those of Bacilli class and Gammaproteobacteria class increased. TiO2 NP size showed a greater effect on the bacterial composition than did the dose based on Bray-Curtis distances. These findings identified negative effects of TiO2 NPs on the bacterial community in the BAC filter. Given the fact that BAC filters are used widely in drinking water treatment plants, these results suggested a potential threat by TiO2 NP to drinking water treatment system.",
keywords = "454 pyrosequencing, ATP quantification, Bacterial community, Drinking water treatment, Quantitative polymerase chain reaction, Titanium dioxide nanoparticle",
author = "Liu Zhiyuan and Yu Shuili and Hee-Deung Park and Yuan Qingbin and Liu Guicai and Li Qi",
year = "2016",
month = "4",
day = "29",
doi = "10.1007/s11356-016-6742-x",
language = "English",
pages = "1--10",
journal = "Environmental Science and Pollution Research",
issn = "0944-1344",
publisher = "Springer Science + Business Media",

}

TY - JOUR

T1 - Impact of titanium dioxide nanoparticles on the bacterial communities of biological activated carbon filter intended for drinking water treatment

AU - Zhiyuan, Liu

AU - Shuili, Yu

AU - Park, Hee-Deung

AU - Qingbin, Yuan

AU - Guicai, Liu

AU - Qi, Li

PY - 2016/4/29

Y1 - 2016/4/29

N2 - Titanium dioxide nanoparticles (TiO2 NPs) are inevitably present in the aquatic environment owing to their increasing production and use. However, knowledge of the potential effects of TiO2 NPs on the treatment of drinking water is scarce. Herein, the effects of two types of anatase TiO2 NPs (TP1, 25 nm; TP2, 100 nm) on the bacterial community in a biological activated carbon (BAC) filter were investigated via quantitative polymerase chain reaction (Q-PCR) analysis, ATP quantification, and 454 pyrosequencing analysis. Both TP1 and TP2 significantly inhibited the bacterial ATP level (p <0.01) and induced a decrease in the abundance of bacterial 16S rDNA gene copies at doses of 0.1 and 100 mg L−1. Simultaneously, the diversity and evenness of the bacterial communities were considerably reduced. The relative abundances of bacteria annotated to OTUs from Nitrospira class and Betaproteobacteria class decreased upon TiO2 NP treatment, whereas those of Bacilli class and Gammaproteobacteria class increased. TiO2 NP size showed a greater effect on the bacterial composition than did the dose based on Bray-Curtis distances. These findings identified negative effects of TiO2 NPs on the bacterial community in the BAC filter. Given the fact that BAC filters are used widely in drinking water treatment plants, these results suggested a potential threat by TiO2 NP to drinking water treatment system.

AB - Titanium dioxide nanoparticles (TiO2 NPs) are inevitably present in the aquatic environment owing to their increasing production and use. However, knowledge of the potential effects of TiO2 NPs on the treatment of drinking water is scarce. Herein, the effects of two types of anatase TiO2 NPs (TP1, 25 nm; TP2, 100 nm) on the bacterial community in a biological activated carbon (BAC) filter were investigated via quantitative polymerase chain reaction (Q-PCR) analysis, ATP quantification, and 454 pyrosequencing analysis. Both TP1 and TP2 significantly inhibited the bacterial ATP level (p <0.01) and induced a decrease in the abundance of bacterial 16S rDNA gene copies at doses of 0.1 and 100 mg L−1. Simultaneously, the diversity and evenness of the bacterial communities were considerably reduced. The relative abundances of bacteria annotated to OTUs from Nitrospira class and Betaproteobacteria class decreased upon TiO2 NP treatment, whereas those of Bacilli class and Gammaproteobacteria class increased. TiO2 NP size showed a greater effect on the bacterial composition than did the dose based on Bray-Curtis distances. These findings identified negative effects of TiO2 NPs on the bacterial community in the BAC filter. Given the fact that BAC filters are used widely in drinking water treatment plants, these results suggested a potential threat by TiO2 NP to drinking water treatment system.

KW - 454 pyrosequencing

KW - ATP quantification

KW - Bacterial community

KW - Drinking water treatment

KW - Quantitative polymerase chain reaction

KW - Titanium dioxide nanoparticle

UR - http://www.scopus.com/inward/record.url?scp=84964539474&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84964539474&partnerID=8YFLogxK

U2 - 10.1007/s11356-016-6742-x

DO - 10.1007/s11356-016-6742-x

M3 - Article

C2 - 27126871

AN - SCOPUS:84964539474

SP - 1

EP - 10

JO - Environmental Science and Pollution Research

JF - Environmental Science and Pollution Research

SN - 0944-1344

ER -